/*!
 * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md.
 */
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.ck-tooltip{display:none}.ck.ck-button,a.ck.ck-button{background:var(--ck-color-button-default-background)}.ck.ck-button:not(.ck-disabled):hover,a.ck.ck-button:not(.ck-disabled):hover{background:var(--ck-color-button-default-hover-background)}.ck.ck-button:not(.ck-disabled):active,a.ck.ck-button:not(.ck-disabled):active{background:var(--ck-color-button-default-active-background);box-shadow:inset 0 2px 2px var(--ck-color-button-default-active-shadow)}.ck.ck-button.ck-disabled,a.ck.ck-button.ck-disabled{background:var(--ck-color-button-default-disabled-background)}.ck.ck-button,a.ck.ck-button{border-radius:0}.ck-rounded-corners .ck.ck-button,.ck-rounded-corners 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var(--ck-color-button-on-active-shadow)}.ck.ck-button.ck-on.ck-disabled,a.ck.ck-button.ck-on.ck-disabled{background:var(--ck-color-button-on-disabled-background)}.ck.ck-button.ck-button-save,a.ck.ck-button.ck-button-save{color:var(--ck-color-button-save)}.ck.ck-button.ck-button-cancel,a.ck.ck-button.ck-button-cancel{color:var(--ck-color-button-cancel)}.ck.ck-button-action,a.ck.ck-button-action{background:var(--ck-color-button-action-background)}.ck.ck-button-action:not(.ck-disabled):hover,a.ck.ck-button-action:not(.ck-disabled):hover{background:var(--ck-color-button-action-hover-background)}.ck.ck-button-action:not(.ck-disabled):active,a.ck.ck-button-action:not(.ck-disabled):active{background:var(--ck-color-button-action-active-background);box-shadow:inset 0 2px 2px 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                    e.exports = ".ck.ck-button.ck-switchbutton .ck-button__toggle,.ck.ck-button.ck-switchbutton .ck-button__toggle .ck-button__toggle__inner{display:block}:root{--ck-switch-button-toggle-width:2.6153846154em;--ck-switch-button-toggle-inner-size:1.0769230769em;--ck-switch-button-toggle-spacing:1px;--ck-switch-button-translation:calc(var(--ck-switch-button-toggle-width) - var(--ck-switch-button-toggle-inner-size) - var(--ck-switch-button-toggle-spacing)*2)}[dir=ltr] .ck.ck-button.ck-switchbutton .ck-button__label{margin-right:calc(var(--ck-spacing-large)*2)}[dir=rtl] .ck.ck-button.ck-switchbutton .ck-button__label{margin-left:calc(var(--ck-spacing-large)*2)}.ck.ck-button.ck-switchbutton .ck-button__toggle{border-radius:0}.ck-rounded-corners .ck.ck-button.ck-switchbutton .ck-button__toggle,.ck.ck-button.ck-switchbutton .ck-button__toggle.ck-rounded-corners{border-radius:var(--ck-border-radius)}[dir=ltr] .ck.ck-button.ck-switchbutton .ck-button__toggle{margin-left:auto}[dir=rtl] .ck.ck-button.ck-switchbutton .ck-button__toggle{margin-right:auto}.ck.ck-button.ck-switchbutton .ck-button__toggle{transition:background .4s ease;width:var(--ck-switch-button-toggle-width);background:var(--ck-color-switch-button-off-background)}.ck.ck-button.ck-switchbutton .ck-button__toggle .ck-button__toggle__inner{border-radius:0}.ck-rounded-corners .ck.ck-button.ck-switchbutton .ck-button__toggle .ck-button__toggle__inner,.ck.ck-button.ck-switchbutton .ck-button__toggle .ck-button__toggle__inner.ck-rounded-corners{border-radius:var(--ck-border-radius);border-radius:calc(var(--ck-border-radius)*0.5)}.ck.ck-button.ck-switchbutton .ck-button__toggle .ck-button__toggle__inner{margin:var(--ck-switch-button-toggle-spacing);width:var(--ck-switch-button-toggle-inner-size);height:var(--ck-switch-button-toggle-inner-size);background:var(--ck-color-switch-button-inner-background);transition:all .3s ease}.ck.ck-button.ck-switchbutton .ck-button__toggle:hover{background:var(--ck-color-switch-button-off-hover-background)}.ck.ck-button.ck-switchbutton .ck-button__toggle:hover .ck-button__toggle__inner{box-shadow:0 0 0 5px var(--ck-color-switch-button-inner-shadow)}.ck.ck-button.ck-switchbutton.ck-disabled .ck-button__toggle{opacity:var(--ck-disabled-opacity)}.ck.ck-button.ck-switchbutton.ck-on .ck-button__toggle{background:var(--ck-color-switch-button-on-background)}.ck.ck-button.ck-switchbutton.ck-on .ck-button__toggle:hover{background:var(--ck-color-switch-button-on-hover-background)}[dir=ltr] .ck.ck-button.ck-switchbutton.ck-on .ck-button__toggle .ck-button__toggle__inner{transform:translateX(var(--ck-switch-button-translation))}[dir=rtl] .ck.ck-button.ck-switchbutton.ck-on .ck-button__toggle .ck-button__toggle__inner{transform:translateX(calc(var(--ck-switch-button-translation)*-1))}"
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                    e.exports = ".ck.ck-color-grid{display:grid}:root{--ck-color-grid-tile-size:24px;--ck-color-color-grid-check-icon:#000}.ck.ck-color-grid{grid-gap:5px;padding:8px}.ck.ck-color-grid__tile{width:var(--ck-color-grid-tile-size);height:var(--ck-color-grid-tile-size);min-width:var(--ck-color-grid-tile-size);min-height:var(--ck-color-grid-tile-size);padding:0;transition:box-shadow .2s ease;border:0}.ck.ck-color-grid__tile.ck-disabled{cursor:unset;transition:unset}.ck.ck-color-grid__tile.ck-color-table__color-tile_bordered{box-shadow:0 0 0 1px var(--ck-color-base-border)}.ck.ck-color-grid__tile .ck.ck-icon{display:none;color:var(--ck-color-color-grid-check-icon)}.ck.ck-color-grid__tile.ck-on{box-shadow:inset 0 0 0 1px var(--ck-color-base-background),0 0 0 2px var(--ck-color-base-text)}.ck.ck-color-grid__tile.ck-on .ck.ck-icon{display:block}.ck.ck-color-grid__tile.ck-on,.ck.ck-color-grid__tile:focus:not(.ck-disabled),.ck.ck-color-grid__tile:hover:not(.ck-disabled){border:0}.ck.ck-color-grid__tile:focus:not(.ck-disabled),.ck.ck-color-grid__tile:hover:not(.ck-disabled){box-shadow:inset 0 0 0 1px var(--ck-color-base-background),0 0 0 2px var(--ck-color-focus-border)}.ck.ck-color-grid__label{padding:0 var(--ck-spacing-standard)}"
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                    e.exports = ".ck.ck-splitbutton{font-size:inherit}.ck.ck-splitbutton .ck-splitbutton__action:focus{z-index:calc(var(--ck-z-default) + 1)}.ck.ck-splitbutton.ck-splitbutton_open>.ck-button .ck-tooltip{display:none}:root{--ck-color-split-button-hover-background:#ebebeb;--ck-color-split-button-hover-border:#b3b3b3}[dir=ltr] .ck.ck-splitbutton>.ck-splitbutton__action{border-top-right-radius:unset;border-bottom-right-radius:unset}[dir=rtl] .ck.ck-splitbutton>.ck-splitbutton__action{border-top-left-radius:unset;border-bottom-left-radius:unset}.ck.ck-splitbutton>.ck-splitbutton__arrow{min-width:unset}[dir=ltr] .ck.ck-splitbutton>.ck-splitbutton__arrow{border-radius:0}.ck-rounded-corners [dir=ltr] .ck.ck-splitbutton>.ck-splitbutton__arrow,[dir=ltr] .ck.ck-splitbutton>.ck-splitbutton__arrow.ck-rounded-corners{border-radius:var(--ck-border-radius);border-top-left-radius:unset;border-bottom-left-radius:unset}[dir=rtl] .ck.ck-splitbutton>.ck-splitbutton__arrow{border-top-right-radius:unset;border-bottom-right-radius:unset}.ck.ck-splitbutton>.ck-splitbutton__arrow svg{width:var(--ck-dropdown-arrow-size)}.ck.ck-splitbutton.ck-splitbutton_open>.ck-button:not(.ck-on):not(.ck-disabled):not(:hover),.ck.ck-splitbutton:hover>.ck-button:not(.ck-on):not(.ck-disabled):not(:hover){background:var(--ck-color-split-button-hover-background)}[dir=ltr] .ck.ck-splitbutton.ck-splitbutton_open>.ck-splitbutton__arrow:not(.ck-disabled),[dir=ltr] .ck.ck-splitbutton:hover>.ck-splitbutton__arrow:not(.ck-disabled){border-left-color:var(--ck-color-split-button-hover-border)}[dir=rtl] .ck.ck-splitbutton.ck-splitbutton_open>.ck-splitbutton__arrow:not(.ck-disabled),[dir=rtl] .ck.ck-splitbutton:hover>.ck-splitbutton__arrow:not(.ck-disabled){border-right-color:var(--ck-color-split-button-hover-border)}.ck.ck-splitbutton.ck-splitbutton_open{border-radius:0}.ck-rounded-corners .ck.ck-splitbutton.ck-splitbutton_open,.ck.ck-splitbutton.ck-splitbutton_open.ck-rounded-corners{border-radius:var(--ck-border-radius)}.ck-rounded-corners .ck.ck-splitbutton.ck-splitbutton_open>.ck-splitbutton__action,.ck.ck-splitbutton.ck-splitbutton_open.ck-rounded-corners>.ck-splitbutton__action{border-bottom-left-radius:0}.ck-rounded-corners .ck.ck-splitbutton.ck-splitbutton_open>.ck-splitbutton__arrow,.ck.ck-splitbutton.ck-splitbutton_open.ck-rounded-corners>.ck-splitbutton__arrow{border-bottom-right-radius:0}"
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                                throw new c.a("collection-remove-404", this);
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                            if (!t) {
                                let t = e;
                                throw "function" == typeof e && (t = e.pluginName || e.name),
                                new c.a("plugincollection-plugin-not-loaded", this._context, {
                                    plugin: t
                                })
                            }
                            return t
                        }
                        has(e) {
                            return this._plugins.has(e)
                        }
                        init(e, t = [], i = []) {
                            const n = this,
                            o = this._context;
                            !function e(t, i = new Set) {
                                t.forEach(t => {
                                    a(t) && (i.has(t) || (i.add(t), t.pluginName && !n._availablePlugins.has(t.pluginName) && n._availablePlugins.set(t.pluginName, t), t.requires && e(t.requires, i)))
                                })
                            }
                            (e),
                            h(e);
                            const r = [...function e(t, i = new Set) {
                                    return t.map(e => a(e) ? e : n._availablePlugins.get(e)).reduce((t, n) => i.has(n) ? t : (i.add(n), n.requires && (h(n.requires, n), e(n.requires, i).forEach(e => t.add(e))), t.add(n)), new Set)
                                }
                                (e.filter(e => !d(e, t)))];
                            !function (e, t) {
                                for (const i of t) {
                                    if ("function" != typeof i)
                                        throw new c.a("plugincollection-replace-plugin-invalid-type", null, {
                                            pluginItem: i
                                        });
                                    const t = i.pluginName;
                                    if (!t)
                                        throw new c.a("plugincollection-replace-plugin-missing-name", null, {
                                            pluginItem: i
                                        });
                                    if (i.requires && i.requires.length)
                                        throw new c.a("plugincollection-plugin-for-replacing-cannot-have-dependencies", null, {
                                            pluginName: t
                                        });
                                    const o = n._availablePlugins.get(t);
                                    if (!o)
                                        throw new c.a("plugincollection-plugin-for-replacing-not-exist", null, {
                                            pluginName: t
                                        });
                                    const r = e.indexOf(o);
                                    if (-1 === r) {
                                        if (n._contextPlugins.has(o))
                                            return;
                                        throw new c.a("plugincollection-plugin-for-replacing-not-loaded", null, {
                                            pluginName: t
                                        })
                                    }
                                    if (o.requires && o.requires.length)
                                        throw new c.a("plugincollection-replaced-plugin-cannot-have-dependencies", null, {
                                            pluginName: t
                                        });
                                    e.splice(r, 1, i),
                                    n._availablePlugins.set(t, i)
                                }
                            }
                            (r, i);
                            const s = function (e) {
                                return e.map(e => {
                                    const t = n._contextPlugins.get(e) || new e(o);
                                    return n._add(e, t),
                                    t
                                })
                            }
                            (r);
                            return f(s, "init").then(() => f(s, "afterInit")).then(() => s);
                            function a(e) {
                                return "function" == typeof e
                            }
                            function l(e) {
                                return a(e) && e.isContextPlugin
                            }
                            function d(e, t) {
                                return t.some(t => t === e || (u(e) === t || u(t) === e))
                            }
                            function u(e) {
                                return a(e) ? e.pluginName || e.name : e
                            }
                            function h(e, i = null) {
                                e.map(e => a(e) ? e : n._availablePlugins.get(e) || e).forEach(e => {
                                    !function (e, t) {
                                        if (a(e))
                                            return;
                                        if (t)
                                            throw new c.a("plugincollection-soft-required", o, {
                                                missingPlugin: e,
                                                requiredBy: u(t)
                                            });
                                        throw new c.a("plugincollection-plugin-not-found", o, {
                                            plugin: e
                                        })
                                    }
                                    (e, i),
                                    function (e, t) {
                                        if (!l(t))
                                            return;
                                        if (l(e))
                                            return;
                                        throw new c.a("plugincollection-context-required", o, {
                                            plugin: u(e),
                                            requiredBy: u(t)
                                        })
                                    }
                                    (e, i),
                                    function (e, i) {
                                        if (!i)
                                            return;
                                        if (!d(e, t))
                                            return;
                                        throw new c.a("plugincollection-required", o, {
                                            plugin: u(e),
                                            requiredBy: u(i)
                                        })
                                    }
                                    (e, i)
                                })
                            }
                            function f(e, t) {
                                return e.reduce((e, i) => i[t] ? n._contextPlugins.has(i) ? e : e.then(i[t].bind(i)) : e, Promise.resolve())
                            }
                        }
                        destroy() {
                            const e = [];
                            for (const[, t]of this)
                                "function" != typeof t.destroy || this._contextPlugins.has(t) || e.push(t.destroy());
                            return Promise.all(e)
                        }
                        _add(e, t) {
                            this._plugins.set(e, t);
                            const i = e.pluginName;
                            if (i) {
                                if (this._plugins.has(i))
                                    throw new c.a("plugincollection-plugin-name-conflict", null, {
                                        pluginName: i,
                                        plugin1: this._plugins.get(i).constructor,
                                        plugin2: e
                                    });
                                this._plugins.set(i, t)
                            }
                        }
                    }
                    function en(e) {
                        return Array.isArray(e) ? e : [e]
                    }
                    function tn(e, t, i = 1) {
                        if ("number" != typeof i)
                            throw new c.a("translation-service-quantity-not-a-number", null, {
                                quantity: i
                            });
                        const n = Object.keys(window.CKEDITOR_TRANSLATIONS).length;
                        1 === n && (e = Object.keys(window.CKEDITOR_TRANSLATIONS)[0]);
                        const o = t.id || t.string;
                        if (0 === n || !function (e, t) {
                            return !!window.CKEDITOR_TRANSLATIONS[e] && !!window.CKEDITOR_TRANSLATIONS[e].dictionary[t]
                        }
                            (e, o))
                            return 1 !== i ? t.plural : t.string;
                        const r = window.CKEDITOR_TRANSLATIONS[e].dictionary,
                        s = window.CKEDITOR_TRANSLATIONS[e].getPluralForm || (e => 1 === e ? 0 : 1);
                        if ("string" == typeof r[o])
                            return r[o];
                        const a = Number(s(i));
                        return r[o][a]
                    }
                    Ke(Xi, u),
                    window.CKEDITOR_TRANSLATIONS || (window.CKEDITOR_TRANSLATIONS = {});
                    const nn = ["ar", "ara", "fa", "per", "fas", "he", "heb", "ku", "kur", "ug", "uig"];
                    function on(e) {
                        return nn.includes(e) ? "rtl" : "ltr"
                    }
                    class rn {
                        constructor(e = {}) {
                            this.uiLanguage = e.uiLanguage || "en",
                            this.contentLanguage = e.contentLanguage || this.uiLanguage,
                            this.uiLanguageDirection = on(this.uiLanguage),
                            this.contentLanguageDirection = on(this.contentLanguage),
                            this.t = (e, t) => this._t(e, t)
                        }
                        get language() {
                            return console.warn("locale-deprecated-language-property: The Locale#language property has been deprecated and will be removed in the near future. Please use #uiLanguage and #contentLanguage properties instead."),
                            this.uiLanguage
                        }
                        _t(e, t = []) {
                            t = en(t),
                            "string" == typeof e && (e = {
                                    string: e
                                });
                            const i = !!e.plural ? t[0] : 1;
                            return function (e, t) {
                                return e.replace(/%(\d+)/g, (e, i) => i < t.length ? t[i] : e)
                            }
                            (tn(this.uiLanguage, e, i), t)
                        }
                    }
                    class sn {
                        constructor(e) {
                            this.config = new Gi(e, this.constructor.defaultConfig);
                            const t = this.constructor.builtinPlugins;
                            this.config.define("plugins", t),
                            this.plugins = new Xi(this, t);
                            const i = this.config.get("language") || {};
                            this.locale = new rn({
                                uiLanguage: "string" == typeof i ? i : i.ui,
                                contentLanguage: this.config.get("language.content")
                            }),
                            this.t = this.locale.t,
                            this.editors = new Zi,
                            this._contextOwner = null
                        }
                        initPlugins() {
                            const e = this.config.get("plugins") || [],
                            t = this.config.get("substitutePlugins") || [];
                            for (const i of e.concat(t)) {
                                if ("function" != typeof i)
                                    throw new c.a("context-initplugins-constructor-only", null, {
                                        Plugin: i
                                    });
                                if (!0 !== i.isContextPlugin)
                                    throw new c.a("context-initplugins-invalid-plugin", null, {
                                        Plugin: i
                                    })
                            }
                            return this.plugins.init(e, [], t)
                        }
                        destroy() {
                            return Promise.all(Array.from(this.editors, e => e.destroy())).then(() => this.plugins.destroy())
                        }
                        _addEditor(e, t) {
                            if (this._contextOwner)
                                throw new c.a("context-addeditor-private-context");
                            this.editors.add(e),
                            t && (this._contextOwner = e)
                        }
                        _removeEditor(e) {
                            return this.editors.has(e) && this.editors.remove(e),
                            this._contextOwner === e ? this.destroy() : Promise.resolve()
                        }
                        _getEditorConfig() {
                            const e = {};
                            for (const t of this.config.names())
                                ["plugins", "removePlugins", "extraPlugins"].includes(t) || (e[t] = this.config.get(t));
                            return e
                        }
                        static create(e) {
                            return new Promise(t => {
                                const i = new this(e);
                                t(i.initPlugins().then(() => i))
                            })
                        }
                    }
                    class an {
                        constructor(e) {
                            this.context = e
                        }
                        destroy() {
                            this.stopListening()
                        }
                        static get isContextPlugin() {
                            return !0
                        }
                    }
                    function cn(e, t) {
                        const i = Math.min(e.length, t.length);
                        for (let n = 0; n < i; n++)
                            if (e[n] != t[n])
                                return n;
                        return e.length == t.length ? "same" : e.length < t.length ? "prefix" : "extension"
                    }
                    Ke(an, Ue);
                    var ln = function (e) {
                        return qi(e, 4)
                    };
                    class dn {
                        constructor(e) {
                            this.document = e,
                            this.parent = null
                        }
                        get index() {
                            let e;
                            if (!this.parent)
                                return null;
                            if (-1 == (e = this.parent.getChildIndex(this)))
                                throw new c.a("view-node-not-found-in-parent", this);
                            return e
                        }
                        get nextSibling() {
                            const e = this.index;
                            return null !== e && this.parent.getChild(e + 1) || null
                        }
                        get previousSibling() {
                            const e = this.index;
                            return null !== e && this.parent.getChild(e - 1) || null
                        }
                        get root() {
                            let e = this;
                            for (; e.parent; )
                                e = e.parent;
                            return e
                        }
                        isAttached() {
                            return this.root.is("rootElement")
                        }
                        getPath() {
                            const e = [];
                            let t = this;
                            for (; t.parent; )
                                e.unshift(t.index), t = t.parent;
                            return e
                        }
                        getAncestors(e = {
                                includeSelf: !1,
                                parentFirst: !1
                            }) {
                            const t = [];
                            let i = e.includeSelf ? this : this.parent;
                            for (; i; )
                                t[e.parentFirst ? "push" : "unshift"](i), i = i.parent;
                            return t
                        }
                        getCommonAncestor(e, t = {}) {
                            const i = this.getAncestors(t),
                            n = e.getAncestors(t);
                            let o = 0;
                            for (; i[o] == n[o] && i[o]; )
                                o++;
                            return 0 === o ? null : i[o - 1]
                        }
                        isBefore(e) {
                            if (this == e)
                                return !1;
                            if (this.root !== e.root)
                                return !1;
                            const t = this.getPath(),
                            i = e.getPath(),
                            n = cn(t, i);
                            switch (n) {
                            case "prefix":
                                return !0;
                            case "extension":
                                return !1;
                            default:
                                return t[n] < i[n]
                            }
                        }
                        isAfter(e) {
                            return this != e && (this.root === e.root && !this.isBefore(e))
                        }
                        _remove() {
                            this.parent._removeChildren(this.index)
                        }
                        _fireChange(e, t) {
                            this.fire("change:" + e, t),
                            this.parent && this.parent._fireChange(e, t)
                        }
                        toJSON() {
                            const e = ln(this);
                            return delete e.parent,
                            e
                        }
                        is(e) {
                            return "node" === e || "view:node" === e
                        }
                    }
                    Ke(dn, u);
                    class un extends dn {
                        constructor(e, t) {
                            super(e),
                            this._textData = t
                        }
                        is(e) {
                            return "$text" === e || "view:$text" === e || "text" === e || "view:text" === e || "node" === e || "view:node" === e
                        }
                        get data() {
                            return this._textData
                        }
                        get _data() {
                            return this.data
                        }
                        set _data(e) {
                            this._fireChange("text", this),
                            this._textData = e
                        }
                        isSimilar(e) {
                            return e instanceof un && (this === e || this.data === e.data)
                        }
                        _clone() {
                            return new un(this.document, this.data)
                        }
                    }
                    class hn {
                        constructor(e, t, i) {
                            if (this.textNode = e, t < 0 || t > e.data.length)
                                throw new c.a("view-textproxy-wrong-offsetintext", this);
                            if (i < 0 || t + i > e.data.length)
                                throw new c.a("view-textproxy-wrong-length", this);
                            this.data = e.data.substring(t, t + i),
                            this.offsetInText = t
                        }
                        get offsetSize() {
                            return this.data.length
                        }
                        get isPartial() {
                            return this.data.length !== this.textNode.data.length
                        }
                        get parent() {
                            return this.textNode.parent
                        }
                        get root() {
                            return this.textNode.root
                        }
                        get document() {
                            return this.textNode.document
                        }
                        is(e) {
                            return "$textProxy" === e || "view:$textProxy" === e || "textProxy" === e || "view:textProxy" === e
                        }
                        getAncestors(e = {
                                includeSelf: !1,
                                parentFirst: !1
                            }) {
                            const t = [];
                            let i = e.includeSelf ? this.textNode : this.parent;
                            for (; null !== i; )
                                t[e.parentFirst ? "push" : "unshift"](i), i = i.parent;
                            return t
                        }
                    }
                    function fn(e) {
                        return Ji(e) ? new Map(e) : function (e) {
                            const t = new Map;
                            for (const i in e)
                                t.set(i, e[i]);
                            return t
                        }
                        (e)
                    }
                    class gn {
                        constructor(...e) {
                            this._patterns = [],
                            this.add(...e)
                        }
                        add(...e) {
                            for (let t of e)
                                ("string" == typeof t || t instanceof RegExp) && (t = {
                                        name: t
                                    }), t.classes && ("string" == typeof t.classes || t.classes instanceof RegExp) && (t.classes = [t.classes]), this._patterns.push(t)
                        }
                        match(...e) {
                            for (const t of e)
                                for (const e of this._patterns) {
                                    const i = mn(t, e);
                                    if (i)
                                        return {
                                            element: t,
                                            pattern: e,
                                            match: i
                                        }
                                }
                            return null
                        }
                        matchAll(...e) {
                            const t = [];
                            for (const i of e)
                                for (const e of this._patterns) {
                                    const n = mn(i, e);
                                    n && t.push({
                                        element: i,
                                        pattern: e,
                                        match: n
                                    })
                                }
                            return t.length > 0 ? t : null
                        }
                        getElementName() {
                            if (1 !== this._patterns.length)
                                return null;
                            const e = this._patterns[0],
                            t = e.name;
                            return "function" == typeof e || !t || t instanceof RegExp ? null : t
                        }
                    }
                    function mn(e, t) {
                        if ("function" == typeof t)
                            return t(e);
                        const i = {};
                        return t.name && (i.name = function (e, t) {
                            if (e instanceof RegExp)
                                return e.test(t);
                            return e === t
                        }
                            (t.name, e.name), !i.name) || t.attributes && (i.attributes = function (e, t) {
                            const i = [];
                            for (const n in e) {
                                const o = e[n];
                                if (!t.hasAttribute(n))
                                    return null; {
                                    const e = t.getAttribute(n);
                                    if (!0 === o)
                                        i.push(n);
                                    else if (o instanceof RegExp) {
                                        if (!o.test(e))
                                            return null;
                                        i.push(n)
                                    } else {
                                        if (e !== o)
                                            return null;
                                        i.push(n)
                                    }
                                }
                            }
                            return i
                        }
                            (t.attributes, e), !i.attributes) ? null : !(t.classes && (i.classes = function (e, t) {
                                const i = [];
                                for (const n of e)
                                    if (n instanceof RegExp) {
                                        const e = t.getClassNames();
                                        for (const t of e)
                                            n.test(t) && i.push(t);
                                        if (0 === i.length)
                                            return null
                                    } else {
                                        if (!t.hasClass(n))
                                            return null;
                                        i.push(n)
                                    }
                                return i
                            }
                                (t.classes, e), !i.classes)) && (!(t.styles && (i.styles = function (e, t) {
                                    const i = [];
                                    for (const n in e) {
                                        const o = e[n];
                                        if (!t.hasStyle(n))
                                            return null; {
                                            const e = t.getStyle(n);
                                            if (o instanceof RegExp) {
                                                if (!o.test(e))
                                                    return null;
                                                i.push(n)
                                            } else {
                                                if (e !== o)
                                                    return null;
                                                i.push(n)
                                            }
                                        }
                                    }
                                    return i
                                }
                                    (t.styles, e), !i.styles)) && i)
                    }
                    var pn = function (e) {
                        return "symbol" == typeof e || ge(e) && "[object Symbol]" == S(e)
                    },
                    bn = /\.|\[(?:[^[\]]*|(["'])(?:(?!\1)[^\\]|\\.)*?\1)\]/,
                    wn = /^\w*$/;
                    var kn = function (e, t) {
                        if (_e(e))
                            return !1;
                        var i = typeof e;
                        return !("number" != i && "symbol" != i && "boolean" != i && null != e && !pn(e)) || (wn.test(e) || !bn.test(e) || null != t && e in Object(t))
                    };
                    function _n(e, t) {
                        if ("function" != typeof e || null != t && "function" != typeof t)
                            throw new TypeError("Expected a function");
                        var i = function () {
                            var n = arguments,
                            o = t ? t.apply(this, n) : n[0],
                            r = i.cache;
                            if (r.has(o))
                                return r.get(o);
                            var s = e.apply(this, n);
                            return i.cache = r.set(o, s) || r,
                            s
                        };
                        return i.cache = new(_n.Cache || Ft),
                        i
                    }
                    _n.Cache = Ft;
                    var vn = _n;
                    var yn = /[^.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]|(?=(?:\.|\[\])(?:\.|\[\]|$))/g,
                    xn = /\\(\\)?/g,
                    An = function (e) {
                        var t = vn(e, (function (e) {
                                    return 500 === i.size && i.clear(),
                                    e
                                })),
                        i = t.cache;
                        return t
                    }
                    ((function (e) {
                            var t = [];
                            return 46 === e.charCodeAt(0) && t.push(""),
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                                })),
                            t
                        }));
                    var Cn = function (e, t) {
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                    },
                    Tn = _ ? _.prototype : void 0,
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                    var Pn = function e(t) {
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                        if (_e(t))
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                        if (pn(t))
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                        var i = t + "";
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                    var Sn = function (e) {
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                    };
                    var Mn = function (e, t) {
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                    };
                    var In = function (e) {
                        var t = null == e ? 0 : e.length;
                        return t ? e[t - 1] : void 0
                    };
                    var Nn = function (e) {
                        if ("string" == typeof e || pn(e))
                            return e;
                        var t = e + "";
                        return "0" == t && 1 / e == -1 / 0 ? "-0" : t
                    };
                    var Rn = function (e, t) {
                        for (var i = 0, n = (t = Mn(t, e)).length; null != e && i < n; )
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                    };
                    var On = function (e, t, i) {
                        var n = -1,
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                        o = t > i ? 0 : i - t >>> 0,
                        t >>>= 0;
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                            r[n] = e[n + t];
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                    };
                    var Dn = function (e, t) {
                        return t.length < 2 ? e : Rn(e, On(t, 0, -1))
                    };
                    var Ln = function (e, t) {
                        return t = Mn(t, e),
                        null == (e = Dn(e, t)) || delete e[Nn(In(t))]
                    };
                    var zn = function (e, t) {
                        return null == e || Ln(e, t)
                    };
                    var Vn = function (e, t, i) {
                        var n = null == e ? void 0 : Rn(e, t);
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                    };
                    var jn = function (e, t, i) {
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                    };
                    var Bn = function (e) {
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                        }
                    }
                    ();
                    var Fn = function (e) {
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                    };
                    var Hn = function (e, t) {
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                            return e[t]
                    };
                    var Un = function (e) {
                        return J(e, De(e))
                    };
                    var Wn = function (e, t, i, n, o, r, s) {
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                            jn(e, i, l);
                        else {
                            var d = r ? r(a, c, i + "", e, t, s) : void 0,
                            u = void 0 === d;
                            if (u) {
                                var h = _e(c),
                                f = !h && Object(ve.a)(c),
                                g = !h && !f && Ee(c);
                                d = c,
                                h || f || g ? _e(a) ? d = a : Fn(a) ? d = Xt(a) : f ? (u = !1, d = Object(Zt.a)(c, !0)) : g ? (u = !1, d = Ri(c, !0)) : d = [] : ct(c) || ke(c) ? (d = a, ke(a) ? d = Un(a) : w(a) && !I(a) || (d = zi(c))) : u = !1
                            }
                            u && (s.set(c, d), o(d, c, n, r, s), s.delete(c)),
                            jn(e, i, d)
                        }
                    };
                    var qn = function e(t, i, n, o, r) {
                        t !== i && Bn(i, (function (s, a) {
                                if (r || (r = new Wt), w(s))
                                    Wn(t, i, a, n, e, o, r);
                                else {
                                    var c = o ? o(Hn(t, a), s, a + "", t, i, r) : void 0;
                                    void 0 === c && (c = s),
                                    jn(t, a, c)
                                }
                            }), De)
                    },
                    $n = he((function (e, t, i) {
                                qn(e, t, i)
                            }));
                    var Yn = function (e, t, i, n) {
                        if (!w(e))
                            return e;
                        for (var o = -1, r = (t = Mn(t, e)).length, s = r - 1, a = e; null != a && ++o < r; ) {
                            var c = Nn(t[o]),
                            l = i;
                            if ("__proto__" === c || "constructor" === c || "prototype" === c)
                                return e;
                            if (o != s) {
                                var d = a[c];
                                void 0 === (l = n ? n(d, c, a) : void 0) && (l = w(d) ? d : de(t[o + 1]) ? [] : {})
                            }
                            Q(a, c, l),
                            a = a[c]
                        }
                        return e
                    };
                    var Gn = function (e, t, i) {
                        return null == e ? e : Yn(e, t, i)
                    };
                    class Kn {
                        constructor(e) {
                            this._styles = {},
                            this._styleProcessor = e
                        }
                        get isEmpty() {
                            const e = Object.entries(this._styles);
                            return !Array.from(e).length
                        }
                        get size() {
                            return this.isEmpty ? 0 : this.getStyleNames().length
                        }
                        setTo(e) {
                            this.clear();
                            const t = Array.from(function (e) {
                                let t = null,
                                i = 0,
                                n = 0,
                                o = null;
                                const r = new Map;
                                if ("" === e)
                                    return r;
                                ";" != e.charAt(e.length - 1) && (e += ";");
                                for (let s = 0; s < e.length; s++) {
                                    const a = e.charAt(s);
                                    if (null === t)
                                        switch (a) {
                                        case ":":
                                            o || (o = e.substr(i, s - i), n = s + 1);
                                            break;
                                        case '"':
                                        case "'":
                                            t = a;
                                            break;
                                        case ";": {
                                                const t = e.substr(n, s - n);
                                                o && r.set(o.trim(), t.trim()),
                                                o = null,
                                                i = s + 1;
                                                break
                                            }
                                        }
                                    else
                                        a === t && (t = null)
                                }
                                return r
                            }
                                    (e).entries());
                            for (const[e, i]of t)
                                this._styleProcessor.toNormalizedForm(e, i, this._styles)
                        }
                        has(e) {
                            if (this.isEmpty)
                                return !1;
                            const t = this._styleProcessor.getReducedForm(e, this._styles).find(([t]) => t === e);
                            return Array.isArray(t)
                        }
                        set(e, t) {
                            if (w(e))
                                for (const[t, i]of Object.entries(e))
                                    this._styleProcessor.toNormalizedForm(t, i, this._styles);
                            else
                                this._styleProcessor.toNormalizedForm(e, t, this._styles)
                        }
                        remove(e) {
                            const t = Jn(e);
                            zn(this._styles, t),
                            delete this._styles[e],
                            this._cleanEmptyObjectsOnPath(t)
                        }
                        getNormalized(e) {
                            return this._styleProcessor.getNormalized(e, this._styles)
                        }
                        toString() {
                            return this.isEmpty ? "" : this._getStylesEntries().map(e => e.join(":")).sort().join(";") + ";"
                        }
                        getAsString(e) {
                            if (this.isEmpty)
                                return;
                            if (this._styles[e] && !w(this._styles[e]))
                                return this._styles[e];
                            const t = this._styleProcessor.getReducedForm(e, this._styles).find(([t]) => t === e);
                            return Array.isArray(t) ? t[1] : void 0
                        }
                        getStyleNames() {
                            if (this.isEmpty)
                                return [];
                            return this._getStylesEntries().map(([e]) => e)
                        }
                        clear() {
                            this._styles = {}
                        }
                        _getStylesEntries() {
                            const e = [],
                            t = Object.keys(this._styles);
                            for (const i of t)
                                e.push(...this._styleProcessor.getReducedForm(i, this._styles));
                            return e
                        }
                        _cleanEmptyObjectsOnPath(e) {
                            const t = e.split(".");
                            if (!(t.length > 1))
                                return;
                            const i = t.splice(0, t.length - 1).join("."),
                            n = Vn(this._styles, i);
                            if (!n)
                                return;
                            !Array.from(Object.keys(n)).length && this.remove(i)
                        }
                    }
                    class Qn {
                        constructor() {
                            this._normalizers = new Map,
                            this._extractors = new Map,
                            this._reducers = new Map,
                            this._consumables = new Map
                        }
                        toNormalizedForm(e, t, i) {
                            if (w(t))
                                Zn(i, Jn(e), t);
                            else if (this._normalizers.has(e)) {
                                const n = this._normalizers.get(e), {
                                    path: o,
                                    value: r
                                } = n(t);
                                Zn(i, o, r)
                            } else
                                Zn(i, e, t)
                        }
                        getNormalized(e, t) {
                            if (!e)
                                return $n({}, t);
                            if (void 0 !== t[e])
                                return t[e];
                            if (this._extractors.has(e)) {
                                const i = this._extractors.get(e);
                                if ("string" == typeof i)
                                    return Vn(t, i);
                                const n = i(e, t);
                                if (n)
                                    return n
                            }
                            return Vn(t, Jn(e))
                        }
                        getReducedForm(e, t) {
                            const i = this.getNormalized(e, t);
                            if (void 0 === i)
                                return [];
                            if (this._reducers.has(e)) {
                                return this._reducers.get(e)(i)
                            }
                            return [[e, i]]
                        }
                        getRelatedStyles(e) {
                            return this._consumables.get(e) || []
                        }
                        setNormalizer(e, t) {
                            this._normalizers.set(e, t)
                        }
                        setExtractor(e, t) {
                            this._extractors.set(e, t)
                        }
                        setReducer(e, t) {
                            this._reducers.set(e, t)
                        }
                        setStyleRelation(e, t) {
                            this._mapStyleNames(e, t);
                            for (const i of t)
                                this._mapStyleNames(i, [e])
                        }
                        _mapStyleNames(e, t) {
                            this._consumables.has(e) || this._consumables.set(e, []),
                            this._consumables.get(e).push(...t)
                        }
                    }
                    function Jn(e) {
                        return e.replace("-", ".")
                    }
                    function Zn(e, t, i) {
                        let n = i;
                        w(i) && (n = $n({}, Vn(e, t), i)),
                        Gn(e, t, n)
                    }
                    class Xn extends dn {
                        constructor(e, t, i, n) {
                            if (super(e), this.name = t, this._attrs = function (e) {
                                e = fn(e);
                                for (const[t, i]of e)
                                    null === i ? e.delete(t)
                                         : "string" != typeof i && e.set(t, String(i));
                                    return e
                                }
                                    (i), this._children = [], n && this._insertChild(0, n), this._classes = new Set, this._attrs.has("class")) {
                                    const e = this._attrs.get("class");
                                    eo(this._classes, e),
                                    this._attrs.delete("class")
                                }
                            this._styles = new Kn(this.document.stylesProcessor),
                            this._attrs.has("style") && (this._styles.setTo(this._attrs.get("style")), this._attrs.delete("style")),
                            this._customProperties = new Map,
                            this._isAllowedInsideAttributeElement = !1
                        }
                        get childCount() {
                            return this._children.length
                        }
                        get isEmpty() {
                            return 0 === this._children.length
                        }
                        get isAllowedInsideAttributeElement() {
                            return this._isAllowedInsideAttributeElement
                        }
                        is(e, t = null) {
                            return t ? t === this.name && ("element" === e || "view:element" === e) : "element" === e || "view:element" === e || "node" === e || "view:node" === e
                        }
                        getChild(e) {
                            return this._children[e]
                        }
                        getChildIndex(e) {
                            return this._children.indexOf(e)
                        }
                        getChildren() {
                            return this._children[Symbol.iterator]()
                        }
                         * getAttributeKeys() {
                            this._classes.size > 0 && (yield "class"),
                            this._styles.isEmpty || (yield "style"),
                            yield * this._attrs.keys()
                        }
                         * getAttributes() {
                            yield * this._attrs.entries(),
                            this._classes.size > 0 && (yield["class", this.getAttribute("class")]),
                            this._styles.isEmpty || (yield["style", this.getAttribute("style")])
                        }
                        getAttribute(e) {
                            if ("class" == e)
                                return this._classes.size > 0 ? [...this._classes].join(" ") : void 0;
                            if ("style" == e) {
                                const e = this._styles.toString();
                                return "" == e ? void 0 : e
                            }
                            return this._attrs.get(e)
                        }
                        hasAttribute(e) {
                            return "class" == e ? this._classes.size > 0 : "style" == e ? !this._styles.isEmpty : this._attrs.has(e)
                        }
                        isSimilar(e) {
                            if (!(e instanceof Xn))
                                return !1;
                            if (this === e)
                                return !0;
                            if (this.name != e.name)
                                return !1;
                            if (this.isAllowedInsideAttributeElement != e.isAllowedInsideAttributeElement)
                                return !1;
                            if (this._attrs.size !== e._attrs.size || this._classes.size !== e._classes.size || this._styles.size !== e._styles.size)
                                return !1;
                            for (const[t, i]of this._attrs)
                                if (!e._attrs.has(t) || e._attrs.get(t) !== i)
                                    return !1;
                            for (const t of this._classes)
                                if (!e._classes.has(t))
                                    return !1;
                            for (const t of this._styles.getStyleNames())
                                if (!e._styles.has(t) || e._styles.getAsString(t) !== this._styles.getAsString(t))
                                    return !1;
                            return !0
                        }
                        hasClass(...e) {
                            for (const t of e)
                                if (!this._classes.has(t))
                                    return !1;
                            return !0
                        }
                        getClassNames() {
                            return this._classes.keys()
                        }
                        getStyle(e) {
                            return this._styles.getAsString(e)
                        }
                        getNormalizedStyle(e) {
                            return this._styles.getNormalized(e)
                        }
                        getStyleNames() {
                            return this._styles.getStyleNames()
                        }
                        hasStyle(...e) {
                            for (const t of e)
                                if (!this._styles.has(t))
                                    return !1;
                            return !0
                        }
                        findAncestor(...e) {
                            const t = new gn(...e);
                            let i = this.parent;
                            for (; i; ) {
                                if (t.match(i))
                                    return i;
                                i = i.parent
                            }
                            return null
                        }
                        getCustomProperty(e) {
                            return this._customProperties.get(e)
                        }
                         * getCustomProperties() {
                            yield * this._customProperties.entries()
                        }
                        getIdentity() {
                            const e = Array.from(this._classes).sort().join(","),
                            t = this._styles.toString(),
                            i = Array.from(this._attrs).map(e => `${e[0]}="${e[1]}"`).sort().join(" ");
                            return this.name + ("" == e ? "" : ` class="${e}"`) + (t ? ` style="${t}"` : "") + ("" == i ? "" : " " + i)
                        }
                        _clone(e = !1) {
                            const t = [];
                            if (e)
                                for (const i of this.getChildren())
                                    t.push(i._clone(e));
                            const i = new this.constructor(this.document, this.name, this._attrs, t);
                            return i._classes = new Set(this._classes),
                            i._styles.set(this._styles.getNormalized()),
                            i._customProperties = new Map(this._customProperties),
                            i.getFillerOffset = this.getFillerOffset,
                            i._isAllowedInsideAttributeElement = this.isAllowedInsideAttributeElement,
                            i
                        }
                        _appendChild(e) {
                            return this._insertChild(this.childCount, e)
                        }
                        _insertChild(e, t) {
                            this._fireChange("children", this);
                            let i = 0;
                            const n = function (e, t) {
                                if ("string" == typeof t)
                                    return [new un(e, t)];
                                Ji(t) || (t = [t]);
                                return Array.from(t).map(t => "string" == typeof t ? new un(e, t) : t instanceof hn ? new un(e, t.data) : t)
                            }
                            (this.document, t);
                            for (const t of n)
                                null !== t.parent && t._remove(), t.parent = this, t.document = this.document, this._children.splice(e, 0, t), e++, i++;
                            return i
                        }
                        _removeChildren(e, t = 1) {
                            this._fireChange("children", this);
                            for (let i = e; i < e + t; i++)
                                this._children[i].parent = null;
                            return this._children.splice(e, t)
                        }
                        _setAttribute(e, t) {
                            t = String(t),
                            this._fireChange("attributes", this),
                            "class" == e ? eo(this._classes, t) : "style" == e ? this._styles.setTo(t) : this._attrs.set(e, t)
                        }
                        _removeAttribute(e) {
                            return this._fireChange("attributes", this),
                            "class" == e ? this._classes.size > 0 && (this._classes.clear(), !0) : "style" == e ? !this._styles.isEmpty && (this._styles.clear(), !0) : this._attrs.delete(e)
                        }
                        _addClass(e) {
                            this._fireChange("attributes", this);
                            for (const t of en(e))
                                this._classes.add(t)
                        }
                        _removeClass(e) {
                            this._fireChange("attributes", this);
                            for (const t of en(e))
                                this._classes.delete(t)
                        }
                        _setStyle(e, t) {
                            this._fireChange("attributes", this),
                            this._styles.set(e, t)
                        }
                        _removeStyle(e) {
                            this._fireChange("attributes", this);
                            for (const t of en(e))
                                this._styles.remove(t)
                        }
                        _setCustomProperty(e, t) {
                            this._customProperties.set(e, t)
                        }
                        _removeCustomProperty(e) {
                            return this._customProperties.delete(e)
                        }
                    }
                    function eo(e, t) {
                        const i = t.split(/\s+/);
                        e.clear(),
                        i.forEach(t => e.add(t))
                    }
                    class to extends Xn {
                        constructor(e, t, i, n) {
                            super(e, t, i, n),
                            this.getFillerOffset = io
                        }
                        is(e, t = null) {
                            return t ? t === this.name && ("containerElement" === e || "view:containerElement" === e || "element" === e || "view:element" === e) : "containerElement" === e || "view:containerElement" === e || "element" === e || "view:element" === e || "node" === e || "view:node" === e
                        }
                    }
                    function io() {
                        const e = [...this.getChildren()],
                        t = e[this.childCount - 1];
                        if (t && t.is("element", "br"))
                            return this.childCount;
                        for (const t of e)
                            if (!t.is("uiElement"))
                                return null;
                        return this.childCount
                    }
                    class no extends to {
                        constructor(e, t, i, n) {
                            super(e, t, i, n),
                            this.set("isReadOnly", !1),
                            this.set("isFocused", !1),
                            this.bind("isReadOnly").to(e),
                            this.bind("isFocused").to(e, "isFocused", t => t && e.selection.editableElement == this),
                            this.listenTo(e.selection, "change", () => {
                                this.isFocused = e.isFocused && e.selection.editableElement == this
                            })
                        }
                        is(e, t = null) {
                            return t ? t === this.name && ("editableElement" === e || "view:editableElement" === e || "containerElement" === e || "view:containerElement" === e || "element" === e || "view:element" === e) : "editableElement" === e || "view:editableElement" === e || "containerElement" === e || "view:containerElement" === e || "element" === e || "view:element" === e || "node" === e || "view:node" === e
                        }
                        destroy() {
                            this.stopListening()
                        }
                    }
                    Ke(no, Ue);
                    const oo = Symbol("rootName");
                    class ro extends no {
                        constructor(e, t) {
                            super(e, t),
                            this.rootName = "main"
                        }
                        is(e, t = null) {
                            return t ? t === this.name && ("rootElement" === e || "view:rootElement" === e || "editableElement" === e || "view:editableElement" === e || "containerElement" === e || "view:containerElement" === e || "element" === e || "view:element" === e) : "rootElement" === e || "view:rootElement" === e || "editableElement" === e || "view:editableElement" === e || "containerElement" === e || "view:containerElement" === e || "element" === e || "view:element" === e || "node" === e || "view:node" === e
                        }
                        get rootName() {
                            return this.getCustomProperty(oo)
                        }
                        set rootName(e) {
                            this._setCustomProperty(oo, e)
                        }
                        set _name(e) {
                            this.name = e
                        }
                    }
                    class so {
                        constructor(e = {}) {
                            if (!e.boundaries && !e.startPosition)
                                throw new c.a("view-tree-walker-no-start-position", null);
                            if (e.direction && "forward" != e.direction && "backward" != e.direction)
                                throw new c.a("view-tree-walker-unknown-direction", e.startPosition, {
                                    direction: e.direction
                                });
                            this.boundaries = e.boundaries || null,
                            e.startPosition ? this.position = ao._createAt(e.startPosition) : this.position = ao._createAt(e.boundaries["backward" == e.direction ? "end" : "start"]),
                            this.direction = e.direction || "forward",
                            this.singleCharacters = !!e.singleCharacters,
                            this.shallow = !!e.shallow,
                            this.ignoreElementEnd = !!e.ignoreElementEnd,
                            this._boundaryStartParent = this.boundaries ? this.boundaries.start.parent : null,
                            this._boundaryEndParent = this.boundaries ? this.boundaries.end.parent : null
                        }
                        [Symbol.iterator]() {
                            return this
                        }
                        skip(e) {
                            let t,
                            i,
                            n;
                            do {
                                n = this.position,
                                ({
                                    done: t,
                                    value: i
                                } = this.next())
                            } while (!t && e(i));
                            t || (this.position = n)
                        }
                        next() {
                            return "forward" == this.direction ? this._next() : this._previous()
                        }
                        _next() {
                            let e = this.position.clone();
                            const t = this.position,
                            i = e.parent;
                            if (null === i.parent && e.offset === i.childCount)
                                return {
                                    done: !0
                                };
                            if (i === this._boundaryEndParent && e.offset == this.boundaries.end.offset)
                                return {
                                    done: !0
                                };
                            let n;
                            if (i instanceof un) {
                                if (e.isAtEnd)
                                    return this.position = ao._createAfter(i), this._next();
                                n = i.data[e.offset]
                            } else
                                n = i.getChild(e.offset);
                            if (n instanceof Xn)
                                return this.shallow ? e.offset++ : e = new ao(n, 0), this.position = e, this._formatReturnValue("elementStart", n, t, e, 1);
                            if (n instanceof un) {
                                if (this.singleCharacters)
                                    return e = new ao(n, 0), this.position = e, this._next(); {
                                    let i,
                                    o = n.data.length;
                                    return n == this._boundaryEndParent ? (o = this.boundaries.end.offset, i = new hn(n, 0, o), e = ao._createAfter(i)) : (i = new hn(n, 0, n.data.length), e.offset++),
                                    this.position = e,
                                    this._formatReturnValue("text", i, t, e, o)
                                }
                            }
                            if ("string" == typeof n) {
                                let n;
                                if (this.singleCharacters)
                                    n = 1;
                                else {
                                    n = (i === this._boundaryEndParent ? this.boundaries.end.offset : i.data.length) - e.offset
                                }
                                const o = new hn(i, e.offset, n);
                                return e.offset += n,
                                this.position = e,
                                this._formatReturnValue("text", o, t, e, n)
                            }
                            return e = ao._createAfter(i),
                            this.position = e,
                            this.ignoreElementEnd ? this._next() : this._formatReturnValue("elementEnd", i, t, e)
                        }
                        _previous() {
                            let e = this.position.clone();
                            const t = this.position,
                            i = e.parent;
                            if (null === i.parent && 0 === e.offset)
                                return {
                                    done: !0
                                };
                            if (i == this._boundaryStartParent && e.offset == this.boundaries.start.offset)
                                return {
                                    done: !0
                                };
                            let n;
                            if (i instanceof un) {
                                if (e.isAtStart)
                                    return this.position = ao._createBefore(i), this._previous();
                                n = i.data[e.offset - 1]
                            } else
                                n = i.getChild(e.offset - 1);
                            if (n instanceof Xn)
                                return this.shallow ? (e.offset--, this.position = e, this._formatReturnValue("elementStart", n, t, e, 1)) : (e = new ao(n, n.childCount), this.position = e, this.ignoreElementEnd ? this._previous() : this._formatReturnValue("elementEnd", n, t, e));
                            if (n instanceof un) {
                                if (this.singleCharacters)
                                    return e = new ao(n, n.data.length), this.position = e, this._previous(); {
                                    let i,
                                    o = n.data.length;
                                    if (n == this._boundaryStartParent) {
                                        const t = this.boundaries.start.offset;
                                        i = new hn(n, t, n.data.length - t),
                                        o = i.data.length,
                                        e = ao._createBefore(i)
                                    } else
                                        i = new hn(n, 0, n.data.length), e.offset--;
                                    return this.position = e,
                                    this._formatReturnValue("text", i, t, e, o)
                                }
                            }
                            if ("string" == typeof n) {
                                let n;
                                if (this.singleCharacters)
                                    n = 1;
                                else {
                                    const t = i === this._boundaryStartParent ? this.boundaries.start.offset : 0;
                                    n = e.offset - t
                                }
                                e.offset -= n;
                                const o = new hn(i, e.offset, n);
                                return this.position = e,
                                this._formatReturnValue("text", o, t, e, n)
                            }
                            return e = ao._createBefore(i),
                            this.position = e,
                            this._formatReturnValue("elementStart", i, t, e, 1)
                        }
                        _formatReturnValue(e, t, i, n, o) {
                            return t instanceof hn && (t.offsetInText + t.data.length == t.textNode.data.length && ("forward" != this.direction || this.boundaries && this.boundaries.end.isEqual(this.position) ? i = ao._createAfter(t.textNode) : (n = ao._createAfter(t.textNode), this.position = n)), 0 === t.offsetInText && ("backward" != this.direction || this.boundaries && this.boundaries.start.isEqual(this.position) ? i = ao._createBefore(t.textNode) : (n = ao._createBefore(t.textNode), this.position = n))), {
                                done: !1,
                                value: {
                                    type: e,
                                    item: t,
                                    previousPosition: i,
                                    nextPosition: n,
                                    length: o
                                }
                            }
                        }
                    }
                    class ao {
                        constructor(e, t) {
                            this.parent = e,
                            this.offset = t
                        }
                        get nodeAfter() {
                            return this.parent.is("$text") ? null : this.parent.getChild(this.offset) || null
                        }
                        get nodeBefore() {
                            return this.parent.is("$text") ? null : this.parent.getChild(this.offset - 1) || null
                        }
                        get isAtStart() {
                            return 0 === this.offset
                        }
                        get isAtEnd() {
                            const e = this.parent.is("$text") ? this.parent.data.length : this.parent.childCount;
                            return this.offset === e
                        }
                        get root() {
                            return this.parent.root
                        }
                        get editableElement() {
                            let e = this.parent;
                            for (; !(e instanceof no); ) {
                                if (!e.parent)
                                    return null;
                                e = e.parent
                            }
                            return e
                        }
                        getShiftedBy(e) {
                            const t = ao._createAt(this),
                            i = t.offset + e;
                            return t.offset = i < 0 ? 0 : i,
                            t
                        }
                        getLastMatchingPosition(e, t = {}) {
                            t.startPosition = this;
                            const i = new so(t);
                            return i.skip(e),
                            i.position
                        }
                        getAncestors() {
                            return this.parent.is("documentFragment") ? [this.parent] : this.parent.getAncestors({
                                includeSelf: !0
                            })
                        }
                        getCommonAncestor(e) {
                            const t = this.getAncestors(),
                            i = e.getAncestors();
                            let n = 0;
                            for (; t[n] == i[n] && t[n]; )
                                n++;
                            return 0 === n ? null : t[n - 1]
                        }
                        is(e) {
                            return "position" === e || "view:position" === e
                        }
                        isEqual(e) {
                            return this.parent == e.parent && this.offset == e.offset
                        }
                        isBefore(e) {
                            return "before" == this.compareWith(e)
                        }
                        isAfter(e) {
                            return "after" == this.compareWith(e)
                        }
                        compareWith(e) {
                            if (this.root !== e.root)
                                return "different";
                            if (this.isEqual(e))
                                return "same";
                            const t = this.parent.is("node") ? this.parent.getPath() : [],
                            i = e.parent.is("node") ? e.parent.getPath() : [];
                            t.push(this.offset),
                            i.push(e.offset);
                            const n = cn(t, i);
                            switch (n) {
                            case "prefix":
                                return "before";
                            case "extension":
                                return "after";
                            default:
                                return t[n] < i[n] ? "before" : "after"
                            }
                        }
                        getWalker(e = {}) {
                            return e.startPosition = this,
                            new so(e)
                        }
                        clone() {
                            return new ao(this.parent, this.offset)
                        }
                        static _createAt(e, t) {
                            if (e instanceof ao)
                                return new this(e.parent, e.offset); {
                                const i = e;
                                if ("end" == t)
                                    t = i.is("$text") ? i.data.length : i.childCount;
                                else {
                                    if ("before" == t)
                                        return this._createBefore(i);
                                    if ("after" == t)
                                        return this._createAfter(i);
                                    if (0 !== t && !t)
                                        throw new c.a("view-createpositionat-offset-required", i)
                                }
                                return new ao(i, t)
                            }
                        }
                        static _createAfter(e) {
                            if (e.is("$textProxy"))
                                return new ao(e.textNode, e.offsetInText + e.data.length);
                            if (!e.parent)
                                throw new c.a("view-position-after-root", e, {
                                    root: e
                                });
                            return new ao(e.parent, e.index + 1)
                        }
                        static _createBefore(e) {
                            if (e.is("$textProxy"))
                                return new ao(e.textNode, e.offsetInText);
                            if (!e.parent)
                                throw new c.a("view-position-before-root", e, {
                                    root: e
                                });
                            return new ao(e.parent, e.index)
                        }
                    }
                    class co {
                        constructor(e, t = null) {
                            this.start = e.clone(),
                            this.end = t ? t.clone() : e.clone()
                        }
                         * [Symbol.iterator]() {
                            yield * new so({
                                boundaries: this,
                                ignoreElementEnd: !0
                            })
                        }
                        get isCollapsed() {
                            return this.start.isEqual(this.end)
                        }
                        get isFlat() {
                            return this.start.parent === this.end.parent
                        }
                        get root() {
                            return this.start.root
                        }
                        getEnlarged() {
                            let e = this.start.getLastMatchingPosition(lo, {
                                direction: "backward"
                            }),
                            t = this.end.getLastMatchingPosition(lo);
                            return e.parent.is("$text") && e.isAtStart && (e = ao._createBefore(e.parent)),
                            t.parent.is("$text") && t.isAtEnd && (t = ao._createAfter(t.parent)),
                            new co(e, t)
                        }
                        getTrimmed() {
                            let e = this.start.getLastMatchingPosition(lo);
                            if (e.isAfter(this.end) || e.isEqual(this.end))
                                return new co(e, e);
                            let t = this.end.getLastMatchingPosition(lo, {
                                direction: "backward"
                            });
                            const i = e.nodeAfter,
                            n = t.nodeBefore;
                            return i && i.is("$text") && (e = new ao(i, 0)),
                            n && n.is("$text") && (t = new ao(n, n.data.length)),
                            new co(e, t)
                        }
                        isEqual(e) {
                            return this == e || this.start.isEqual(e.start) && this.end.isEqual(e.end)
                        }
                        containsPosition(e) {
                            return e.isAfter(this.start) && e.isBefore(this.end)
                        }
                        containsRange(e, t = !1) {
                            e.isCollapsed && (t = !1);
                            const i = this.containsPosition(e.start) || t && this.start.isEqual(e.start),
                            n = this.containsPosition(e.end) || t && this.end.isEqual(e.end);
                            return i && n
                        }
                        getDifference(e) {
                            const t = [];
                            return this.isIntersecting(e) ? (this.containsPosition(e.start) && t.push(new co(this.start, e.start)), this.containsPosition(e.end) && t.push(new co(e.end, this.end))) : t.push(this.clone()),
                            t
                        }
                        getIntersection(e) {
                            if (this.isIntersecting(e)) {
                                let t = this.start,
                                i = this.end;
                                return this.containsPosition(e.start) && (t = e.start),
                                this.containsPosition(e.end) && (i = e.end),
                                new co(t, i)
                            }
                            return null
                        }
                        getWalker(e = {}) {
                            return e.boundaries = this,
                            new so(e)
                        }
                        getCommonAncestor() {
                            return this.start.getCommonAncestor(this.end)
                        }
                        getContainedElement() {
                            if (this.isCollapsed)
                                return null;
                            let e = this.start.nodeAfter,
                            t = this.end.nodeBefore;
                            return this.start.parent.is("$text") && this.start.isAtEnd && this.start.parent.nextSibling && (e = this.start.parent.nextSibling),
                            this.end.parent.is("$text") && this.end.isAtStart && this.end.parent.previousSibling && (t = this.end.parent.previousSibling),
                            e && e.is("element") && e === t ? e : null
                        }
                        clone() {
                            return new co(this.start, this.end)
                        }
                         * getItems(e = {}) {
                            e.boundaries = this,
                            e.ignoreElementEnd = !0;
                            const t = new so(e);
                            for (const e of t)
                                yield e.item
                        }
                         * getPositions(e = {}) {
                            e.boundaries = this;
                            const t = new so(e);
                            yield t.position;
                            for (const e of t)
                                yield e.nextPosition
                        }
                        is(e) {
                            return "range" === e || "view:range" === e
                        }
                        isIntersecting(e) {
                            return this.start.isBefore(e.end) && this.end.isAfter(e.start)
                        }
                        static _createFromParentsAndOffsets(e, t, i, n) {
                            return new this(new ao(e, t), new ao(i, n))
                        }
                        static _createFromPositionAndShift(e, t) {
                            const i = e,
                            n = e.getShiftedBy(t);
                            return t > 0 ? new this(i, n) : new this(n, i)
                        }
                        static _createIn(e) {
                            return this._createFromParentsAndOffsets(e, 0, e, e.childCount)
                        }
                        static _createOn(e) {
                            const t = e.is("$textProxy") ? e.offsetSize : 1;
                            return this._createFromPositionAndShift(ao._createBefore(e), t)
                        }
                    }
                    function lo(e) {
                        return !(!e.item.is("attributeElement") && !e.item.is("uiElement"))
                    }
                    function uo(e) {
                        let t = 0;
                        for (const i of e)
                            t++;
                        return t
                    }
                    class ho {
                        constructor(e = null, t, i) {
                            this._ranges = [],
                            this._lastRangeBackward = !1,
                            this._isFake = !1,
                            this._fakeSelectionLabel = "",
                            this.setTo(e, t, i)
                        }
                        get isFake() {
                            return this._isFake
                        }
                        get fakeSelectionLabel() {
                            return this._fakeSelectionLabel
                        }
                        get anchor() {
                            if (!this._ranges.length)
                                return null;
                            const e = this._ranges[this._ranges.length - 1];
                            return (this._lastRangeBackward ? e.end : e.start).clone()
                        }
                        get focus() {
                            if (!this._ranges.length)
                                return null;
                            const e = this._ranges[this._ranges.length - 1];
                            return (this._lastRangeBackward ? e.start : e.end).clone()
                        }
                        get isCollapsed() {
                            return 1 === this.rangeCount && this._ranges[0].isCollapsed
                        }
                        get rangeCount() {
                            return this._ranges.length
                        }
                        get isBackward() {
                            return !this.isCollapsed && this._lastRangeBackward
                        }
                        get editableElement() {
                            return this.anchor ? this.anchor.editableElement : null
                        }
                         * getRanges() {
                            for (const e of this._ranges)
                                yield e.clone()
                        }
                        getFirstRange() {
                            let e = null;
                            for (const t of this._ranges)
                                e && !t.start.isBefore(e.start) || (e = t);
                            return e ? e.clone() : null
                        }
                        getLastRange() {
                            let e = null;
                            for (const t of this._ranges)
                                e && !t.end.isAfter(e.end) || (e = t);
                            return e ? e.clone() : null
                        }
                        getFirstPosition() {
                            const e = this.getFirstRange();
                            return e ? e.start.clone() : null
                        }
                        getLastPosition() {
                            const e = this.getLastRange();
                            return e ? e.end.clone() : null
                        }
                        isEqual(e) {
                            if (this.isFake != e.isFake)
                                return !1;
                            if (this.isFake && this.fakeSelectionLabel != e.fakeSelectionLabel)
                                return !1;
                            if (this.rangeCount != e.rangeCount)
                                return !1;
                            if (0 === this.rangeCount)
                                return !0;
                            if (!this.anchor.isEqual(e.anchor) || !this.focus.isEqual(e.focus))
                                return !1;
                            for (const t of this._ranges) {
                                let i = !1;
                                for (const n of e._ranges)
                                    if (t.isEqual(n)) {
                                        i = !0;
                                        break
                                    }
                                if (!i)
                                    return !1
                            }
                            return !0
                        }
                        isSimilar(e) {
                            if (this.isBackward != e.isBackward)
                                return !1;
                            const t = uo(this.getRanges());
                            if (t != uo(e.getRanges()))
                                return !1;
                            if (0 == t)
                                return !0;
                            for (let t of this.getRanges()) {
                                t = t.getTrimmed();
                                let i = !1;
                                for (let n of e.getRanges())
                                    if (n = n.getTrimmed(), t.start.isEqual(n.start) && t.end.isEqual(n.end)) {
                                        i = !0;
                                        break
                                    }
                                if (!i)
                                    return !1
                            }
                            return !0
                        }
                        getSelectedElement() {
                            return 1 !== this.rangeCount ? null : this.getFirstRange().getContainedElement()
                        }
                        setTo(e, t, i) {
                            if (null === e)
                                this._setRanges([]), this._setFakeOptions(t);
                            else if (e instanceof ho || e instanceof fo)
                                this._setRanges(e.getRanges(), e.isBackward), this._setFakeOptions({
                                    fake: e.isFake,
                                    label: e.fakeSelectionLabel
                                });
                            else if (e instanceof co)
                                this._setRanges([e], t && t.backward), this._setFakeOptions(t);
                            else if (e instanceof ao)
                                this._setRanges([new co(e)]), this._setFakeOptions(t);
                            else if (e instanceof dn) {
                                const n = !!i && !!i.backward;
                                let o;
                                if (void 0 === t)
                                    throw new c.a("view-selection-setto-required-second-parameter", this);
                                o = "in" == t ? co._createIn(e) : "on" == t ? co._createOn(e) : new co(ao._createAt(e, t)),
                                this._setRanges([o], n),
                                this._setFakeOptions(i)
                            } else {
                                if (!Ji(e))
                                    throw new c.a("view-selection-setto-not-selectable", this);
                                this._setRanges(e, t && t.backward),
                                this._setFakeOptions(t)
                            }
                            this.fire("change")
                        }
                        setFocus(e, t) {
                            if (null === this.anchor)
                                throw new c.a("view-selection-setfocus-no-ranges", this);
                            const i = ao._createAt(e, t);
                            if ("same" == i.compareWith(this.focus))
                                return;
                            const n = this.anchor;
                            this._ranges.pop(),
                            "before" == i.compareWith(n) ? this._addRange(new co(i, n), !0) : this._addRange(new co(n, i)),
                            this.fire("change")
                        }
                        is(e) {
                            return "selection" === e || "view:selection" === e
                        }
                        _setRanges(e, t = !1) {
                            e = Array.from(e),
                            this._ranges = [];
                            for (const t of e)
                                this._addRange(t);
                            this._lastRangeBackward = !!t
                        }
                        _setFakeOptions(e = {}) {
                            this._isFake = !!e.fake,
                            this._fakeSelectionLabel = e.fake && e.label || ""
                        }
                        _addRange(e, t = !1) {
                            if (!(e instanceof co))
                                throw new c.a("view-selection-add-range-not-range", this);
                            this._pushRange(e),
                            this._lastRangeBackward = !!t
                        }
                        _pushRange(e) {
                            for (const t of this._ranges)
                                if (e.isIntersecting(t))
                                    throw new c.a("view-selection-range-intersects", this, {
                                        addedRange: e,
                                        intersectingRange: t
                                    });
                            this._ranges.push(new co(e.start, e.end))
                        }
                    }
                    Ke(ho, u);
                    class fo {
                        constructor(e = null, t, i) {
                            this._selection = new ho,
                            this._selection.delegate("change").to(this),
                            this._selection.setTo(e, t, i)
                        }
                        get isFake() {
                            return this._selection.isFake
                        }
                        get fakeSelectionLabel() {
                            return this._selection.fakeSelectionLabel
                        }
                        get anchor() {
                            return this._selection.anchor
                        }
                        get focus() {
                            return this._selection.focus
                        }
                        get isCollapsed() {
                            return this._selection.isCollapsed
                        }
                        get rangeCount() {
                            return this._selection.rangeCount
                        }
                        get isBackward() {
                            return this._selection.isBackward
                        }
                        get editableElement() {
                            return this._selection.editableElement
                        }
                        get _ranges() {
                            return this._selection._ranges
                        }
                         * getRanges() {
                            yield * this._selection.getRanges()
                        }
                        getFirstRange() {
                            return this._selection.getFirstRange()
                        }
                        getLastRange() {
                            return this._selection.getLastRange()
                        }
                        getFirstPosition() {
                            return this._selection.getFirstPosition()
                        }
                        getLastPosition() {
                            return this._selection.getLastPosition()
                        }
                        getSelectedElement() {
                            return this._selection.getSelectedElement()
                        }
                        isEqual(e) {
                            return this._selection.isEqual(e)
                        }
                        isSimilar(e) {
                            return this._selection.isSimilar(e)
                        }
                        is(e) {
                            return "selection" === e || "documentSelection" == e || "view:selection" == e || "view:documentSelection" == e
                        }
                        _setTo(e, t, i) {
                            this._selection.setTo(e, t, i)
                        }
                        _setFocus(e, t) {
                            this._selection.setFocus(e, t)
                        }
                    }
                    Ke(fo, u);
                    class go extends o {
                        constructor(e, t, i) {
                            super(e, t),
                            this.startRange = i,
                            this._eventPhase = "none",
                            this._currentTarget = null
                        }
                        get eventPhase() {
                            return this._eventPhase
                        }
                        get currentTarget() {
                            return this._currentTarget
                        }
                    }
                    const mo = Symbol("bubbling contexts");
                    var po = {
                        fire(e, ...t) {
                            try {
                                const i = e instanceof o ? e : new o(this, e),
                                n = _o(this);
                                if (!n.size)
                                    return;
                                if (bo(i, "capturing", this), wo(n, "$capture", i, ...t))
                                    return i.return;
                                const r = i.startRange || this.selection.getFirstRange(),
                                s = r ? r.getContainedElement() : null,
                                a = !!s && Boolean(ko(n, s));
                                let c = s || function (e) {
                                    if (!e)
                                        return null;
                                    const t = e.start.parent,
                                    i = e.end.parent,
                                    n = t.getPath(),
                                    o = i.getPath();
                                    return n.length > o.length ? t : i
                                }
                                (r);
                                if (bo(i, "atTarget", c), !a) {
                                    if (wo(n, "$text", i, ...t))
                                        return i.return;
                                    bo(i, "bubbling", c)
                                }
                                for (; c; ) {
                                    if (c.is("rootElement")) {
                                        if (wo(n, "$root", i, ...t))
                                            return i.return
                                    } else if (c.is("element") && wo(n, c.name, i, ...t))
                                        return i.return;
                                    if (wo(n, c, i, ...t))
                                        return i.return;
                                    c = c.parent,
                                    bo(i, "bubbling", c)
                                }
                                return bo(i, "bubbling", this),
                                wo(n, "$document", i, ...t),
                                i.return
                            } catch (e) {
                                c.a.rethrowUnexpectedError(e, this)
                            }
                        },
                        _addEventListener(e, t, i) {
                            const n = en(i.context || "$document"),
                            o = _o(this);
                            for (const r of n) {
                                let n = o.get(r);
                                n || (n = Object.create(u), o.set(r, n)),
                                this.listenTo(n, e, t, i)
                            }
                        },
                        _removeEventListener(e, t) {
                            const i = _o(this);
                            for (const n of i.values())
                                this.stopListening(n, e, t)
                        }
                    };
                    function bo(e, t, i) {
                        e instanceof go && (e._eventPhase = t, e._currentTarget = i)
                    }
                    function wo(e, t, i, ...n) {
                        const o = "string" == typeof t ? e.get(t) : ko(e, t);
                        return !!o && (o.fire(i, ...n), i.stop.called)
                    }
                    function ko(e, t) {
                        for (const[i, n]of e)
                            if ("function" == typeof i && i(t))
                                return n;
                        return null
                    }
                    function _o(e) {
                        return e[mo] || (e[mo] = new Map),
                        e[mo]
                    }
                    class vo {
                        constructor(e) {
                            this.selection = new fo,
                            this.roots = new Zi({
                                idProperty: "rootName"
                            }),
                            this.stylesProcessor = e,
                            this.set("isReadOnly", !1),
                            this.set("isFocused", !1),
                            this.set("isComposing", !1),
                            this._postFixers = new Set
                        }
                        getRoot(e = "main") {
                            return this.roots.get(e)
                        }
                        registerPostFixer(e) {
                            this._postFixers.add(e)
                        }
                        destroy() {
                            this.roots.map(e => e.destroy()),
                            this.stopListening()
                        }
                        _callPostFixers(e) {
                            let t = !1;
                            do {
                                for (const i of this._postFixers)
                                    if (t = i(e), t)
                                        break
                            } while (t)
                        }
                    }
                    Ke(vo, po),
                    Ke(vo, Ue);
                    class yo extends Xn {
                        constructor(e, t, i, n) {
                            super(e, t, i, n),
                            this.getFillerOffset = xo,
                            this._priority = 10,
                            this._id = null,
                            this._clonesGroup = null
                        }
                        get priority() {
                            return this._priority
                        }
                        get id() {
                            return this._id
                        }
                        getElementsWithSameId() {
                            if (null === this.id)
                                throw new c.a("attribute-element-get-elements-with-same-id-no-id", this);
                            return new Set(this._clonesGroup)
                        }
                        is(e, t = null) {
                            return t ? t === this.name && ("attributeElement" === e || "view:attributeElement" === e || "element" === e || "view:element" === e) : "attributeElement" === e || "view:attributeElement" === e || "element" === e || "view:element" === e || "node" === e || "view:node" === e
                        }
                        isSimilar(e) {
                            return null !== this.id || null !== e.id ? this.id === e.id : super.isSimilar(e) && this.priority == e.priority
                        }
                        _clone(e) {
                            const t = super._clone(e);
                            return t._priority = this._priority,
                            t._id = this._id,
                            t
                        }
                    }
                    function xo() {
                        if (Ao(this))
                            return null;
                        let e = this.parent;
                        for (; e && e.is("attributeElement"); ) {
                            if (Ao(e) > 1)
                                return null;
                            e = e.parent
                        }
                        return !e || Ao(e) > 1 ? null : this.childCount
                    }
                    function Ao(e) {
                        return Array.from(e.getChildren()).filter(e => !e.is("uiElement")).length
                    }
                    yo.DEFAULT_PRIORITY = 10;
                    class Co extends Xn {
                        constructor(e, t, i, n) {
                            super(e, t, i, n),
                            this._isAllowedInsideAttributeElement = !0,
                            this.getFillerOffset = To
                        }
                        is(e, t = null) {
                            return t ? t === this.name && ("emptyElement" === e || "view:emptyElement" === e || "element" === e || "view:element" === e) : "emptyElement" === e || "view:emptyElement" === e || "element" === e || "view:element" === e || "node" === e || "view:node" === e
                        }
                        _insertChild(e, t) {
                            if (t && (t instanceof dn || Array.from(t).length > 0))
                                throw new c.a("view-emptyelement-cannot-add", [this, t])
                        }
                    }
                    function To() {
                        return null
                    }
                    const Eo = navigator.userAgent.toLowerCase();
                    var Po = {
                        isMac: function (e) {
                            return e.indexOf("macintosh") > -1
                        }
                        (Eo),
                        isGecko: function (e) {
                            return !!e.match(/gecko\/\d+/)
                        }
                        (Eo),
                        isSafari: function (e) {
                            return e.indexOf(" applewebkit/") > -1 && -1 === e.indexOf("chrome")
                        }
                        (Eo),
                        isAndroid: function (e) {
                            return e.indexOf("android") > -1
                        }
                        (Eo),
                        isBlink: function (e) {
                            return e.indexOf("chrome/") > -1 && e.indexOf("edge/") < 0
                        }
                        (Eo),
                        features: {
                            isRegExpUnicodePropertySupported: function () {
                                let e = !1;
                                try {
                                    e = 0 === "ć".search(new RegExp("[\\p{L}]", "u"))
                                } catch (e) {}
                                return e
                            }
                            ()
                        }
                    };
                    const So = {
                        ctrl: "⌃",
                        cmd: "⌘",
                        alt: "⌥",
                        shift: "⇧"
                    },
                    Mo = {
                        ctrl: "Ctrl+",
                        alt: "Alt+",
                        shift: "Shift+"
                    },
                    Io = function () {
                        const e = {
                            arrowleft: 37,
                            arrowup: 38,
                            arrowright: 39,
                            arrowdown: 40,
                            backspace: 8,
                            delete : 46,
                            enter: 13,
                            space: 32,
                            esc: 27,
                            tab: 9,
                            ctrl: 1114112,
                            shift: 2228224,
                            alt: 4456448,
                            cmd: 8912896
                        };
                        for (let t = 65; t <= 90; t++) {
                            const i = String.fromCharCode(t);
                            e[i.toLowerCase()] = t
                        }
                        for (let t = 48; t <= 57; t++)
                            e[t - 48] = t;
                        for (let t = 112; t <= 123; t++)
                            e["f" + (t - 111)] = t;
                        return e
                    }
                    (),
                    No = Object.fromEntries(Object.entries(Io).map(([e, t]) => [t, e.charAt(0).toUpperCase() + e.slice(1)]));
                    function Ro(e) {
                        let t;
                        if ("string" == typeof e) {
                            if (t = Io[e.toLowerCase()], !t)
                                throw new c.a("keyboard-unknown-key", null, {
                                    key: e
                                })
                        } else
                            t = e.keyCode + (e.altKey ? Io.alt : 0) + (e.ctrlKey ? Io.ctrl : 0) + (e.shiftKey ? Io.shift : 0) + (e.metaKey ? Io.cmd : 0);
                        return t
                    }
                    function Oo(e) {
                        return "string" == typeof e && (e = function (e) {
                            return e.split("+").map(e => e.trim())
                        }
                            (e)),
                        e.map(e => "string" == typeof e ? function (e) {
                            if (e.endsWith("!"))
                                return Ro(e.slice(0, -1));
                            const t = Ro(e);
                            return Po.isMac && t == Io.ctrl ? Io.cmd : t
                        }
                            (e) : e).reduce((e, t) => t + e, 0)
                    }
                    function Do(e) {
                        let t = Oo(e);
                        return Object.entries(Po.isMac ? So : Mo).reduce((e, [i, n]) => (0 != (t & Io[i]) && (t &= ~Io[i], e += n), e), "") + (t ? No[t] : "")
                    }
                    function Lo(e, t) {
                        const i = "ltr" === t;
                        switch (e) {
                        case Io.arrowleft:
                            return i ? "left" : "right";
                        case Io.arrowright:
                            return i ? "right" : "left";
                        case Io.arrowup:
                            return "up";
                        case Io.arrowdown:
                            return "down"
                        }
                    }
                    function zo(e, t) {
                        const i = Lo(e, t);
                        return "down" === i || "right" === i
                    }
                    class Vo extends Xn {
                        constructor(e, t, i, n) {
                            super(e, t, i, n),
                            this._isAllowedInsideAttributeElement = !0,
                            this.getFillerOffset = Bo
                        }
                        is(e, t = null) {
                            return t ? t === this.name && ("uiElement" === e || "view:uiElement" === e || "element" === e || "view:element" === e) : "uiElement" === e || "view:uiElement" === e || "element" === e || "view:element" === e || "node" === e || "view:node" === e
                        }
                        _insertChild(e, t) {
                            if (t && (t instanceof dn || Array.from(t).length > 0))
                                throw new c.a("view-uielement-cannot-add", this)
                        }
                        render(e) {
                            return this.toDomElement(e)
                        }
                        toDomElement(e) {
                            const t = e.createElement(this.name);
                            for (const e of this.getAttributeKeys())
                                t.setAttribute(e, this.getAttribute(e));
                            return t
                        }
                    }
                    function jo(e) {
                        e.document.on("arrowKey", (t, i) => function (e, t, i) {
                            if (t.keyCode == Io.arrowright) {
                                const e = t.domTarget.ownerDocument.defaultView.getSelection(),
                                n = 1 == e.rangeCount && e.getRangeAt(0).collapsed;
                                if (n || t.shiftKey) {
                                    const t = e.focusNode,
                                    o = e.focusOffset,
                                    r = i.domPositionToView(t, o);
                                    if (null === r)
                                        return;
                                    let s = !1;
                                    const a = r.getLastMatchingPosition(e => (e.item.is("uiElement") && (s = !0), !(!e.item.is("uiElement") && !e.item.is("attributeElement"))));
                                    if (s) {
                                        const t = i.viewPositionToDom(a);
                                        n ? e.collapse(t.parent, t.offset) : e.extend(t.parent, t.offset)
                                    }
                                }
                            }
                        }
                            (0, i, e.domConverter), {
                            priority: "low"
                        })
                    }
                    function Bo() {
                        return null
                    }
                    class Fo extends Xn {
                        constructor(e, t, i, n) {
                            super(e, t, i, n),
                            this._isAllowedInsideAttributeElement = !0,
                            this.getFillerOffset = Ho
                        }
                        is(e, t = null) {
                            return t ? t === this.name && ("rawElement" === e || "view:rawElement" === e || "element" === e || "view:element" === e) : "rawElement" === e || "view:rawElement" === e || e === this.name || e === "view:" + this.name || "element" === e || "view:element" === e || "node" === e || "view:node" === e
                        }
                        _insertChild(e, t) {
                            if (t && (t instanceof dn || Array.from(t).length > 0))
                                throw new c.a("view-rawelement-cannot-add", [this, t])
                        }
                    }
                    function Ho() {
                        return null
                    }
                    class Uo {
                        constructor(e, t) {
                            this.document = e,
                            this._children = [],
                            t && this._insertChild(0, t)
                        }
                        [Symbol.iterator]() {
                            return this._children[Symbol.iterator]()
                        }
                        get childCount() {
                            return this._children.length
                        }
                        get isEmpty() {
                            return 0 === this.childCount
                        }
                        get root() {
                            return this
                        }
                        get parent() {
                            return null
                        }
                        is(e) {
                            return "documentFragment" === e || "view:documentFragment" === e
                        }
                        _appendChild(e) {
                            return this._insertChild(this.childCount, e)
                        }
                        getChild(e) {
                            return this._children[e]
                        }
                        getChildIndex(e) {
                            return this._children.indexOf(e)
                        }
                        getChildren() {
                            return this._children[Symbol.iterator]()
                        }
                        _insertChild(e, t) {
                            this._fireChange("children", this);
                            let i = 0;
                            const n = function (e, t) {
                                if ("string" == typeof t)
                                    return [new un(e, t)];
                                Ji(t) || (t = [t]);
                                return Array.from(t).map(t => "string" == typeof t ? new un(e, t) : t instanceof hn ? new un(e, t.data) : t)
                            }
                            (this.document, t);
                            for (const t of n)
                                null !== t.parent && t._remove(), t.parent = this, this._children.splice(e, 0, t), e++, i++;
                            return i
                        }
                        _removeChildren(e, t = 1) {
                            this._fireChange("children", this);
                            for (let i = e; i < e + t; i++)
                                this._children[i].parent = null;
                            return this._children.splice(e, t)
                        }
                        _fireChange(e, t) {
                            this.fire("change:" + e, t)
                        }
                    }
                    Ke(Uo, u);
                    class Wo {
                        constructor(e) {
                            this.document = e,
                            this._cloneGroups = new Map
                        }
                        setSelection(e, t, i) {
                            this.document.selection._setTo(e, t, i)
                        }
                        setSelectionFocus(e, t) {
                            this.document.selection._setFocus(e, t)
                        }
                        createDocumentFragment(e) {
                            return new Uo(this.document, e)
                        }
                        createText(e) {
                            return new un(this.document, e)
                        }
                        createAttributeElement(e, t, i = {}) {
                            const n = new yo(this.document, e, t);
                            return i.priority && (n._priority = i.priority),
                            i.id && (n._id = i.id),
                            n
                        }
                        createContainerElement(e, t, i = {}) {
                            const n = new to(this.document, e, t);
                            return void 0 !== i.isAllowedInsideAttributeElement && (n._isAllowedInsideAttributeElement = i.isAllowedInsideAttributeElement),
                            n
                        }
                        createEditableElement(e, t) {
                            const i = new no(this.document, e, t);
                            return i._document = this.document,
                            i
                        }
                        createEmptyElement(e, t, i = {}) {
                            const n = new Co(this.document, e, t);
                            return void 0 !== i.isAllowedInsideAttributeElement && (n._isAllowedInsideAttributeElement = i.isAllowedInsideAttributeElement),
                            n
                        }
                        createUIElement(e, t, i, n = {}) {
                            const o = new Vo(this.document, e, t);
                            return i && (o.render = i),
                            void 0 !== n.isAllowedInsideAttributeElement && (o._isAllowedInsideAttributeElement = n.isAllowedInsideAttributeElement),
                            o
                        }
                        createRawElement(e, t, i, n = {}) {
                            const o = new Fo(this.document, e, t);
                            return o.render = i || (() => {}),
                            void 0 !== n.isAllowedInsideAttributeElement && (o._isAllowedInsideAttributeElement = n.isAllowedInsideAttributeElement),
                            o
                        }
                        setAttribute(e, t, i) {
                            i._setAttribute(e, t)
                        }
                        removeAttribute(e, t) {
                            t._removeAttribute(e)
                        }
                        addClass(e, t) {
                            t._addClass(e)
                        }
                        removeClass(e, t) {
                            t._removeClass(e)
                        }
                        setStyle(e, t, i) {
                            ct(e) && void 0 === i && (i = t),
                            i._setStyle(e, t)
                        }
                        removeStyle(e, t) {
                            t._removeStyle(e)
                        }
                        setCustomProperty(e, t, i) {
                            i._setCustomProperty(e, t)
                        }
                        removeCustomProperty(e, t) {
                            return t._removeCustomProperty(e)
                        }
                        breakAttributes(e) {
                            return e instanceof ao ? this._breakAttributes(e) : this._breakAttributesRange(e)
                        }
                        breakContainer(e) {
                            const t = e.parent;
                            if (!t.is("containerElement"))
                                throw new c.a("view-writer-break-non-container-element", this.document);
                            if (!t.parent)
                                throw new c.a("view-writer-break-root", this.document);
                            if (e.isAtStart)
                                return ao._createBefore(t);
                            if (!e.isAtEnd) {
                                const i = t._clone(!1);
                                this.insert(ao._createAfter(t), i);
                                const n = new co(e, ao._createAt(t, "end")),
                                o = new ao(i, 0);
                                this.move(n, o)
                            }
                            return ao._createAfter(t)
                        }
                        mergeAttributes(e) {
                            const t = e.offset,
                            i = e.parent;
                            if (i.is("$text"))
                                return e;
                            if (i.is("attributeElement") && 0 === i.childCount) {
                                const e = i.parent,
                                t = i.index;
                                return i._remove(),
                                this._removeFromClonedElementsGroup(i),
                                this.mergeAttributes(new ao(e, t))
                            }
                            const n = i.getChild(t - 1),
                            o = i.getChild(t);
                            if (!n || !o)
                                return e;
                            if (n.is("$text") && o.is("$text"))
                                return Ko(n, o);
                            if (n.is("attributeElement") && o.is("attributeElement") && n.isSimilar(o)) {
                                const e = n.childCount;
                                return n._appendChild(o.getChildren()),
                                o._remove(),
                                this._removeFromClonedElementsGroup(o),
                                this.mergeAttributes(new ao(n, e))
                            }
                            return e
                        }
                        mergeContainers(e) {
                            const t = e.nodeBefore,
                            i = e.nodeAfter;
                            if (!(t && i && t.is("containerElement") && i.is("containerElement")))
                                throw new c.a("view-writer-merge-containers-invalid-position", this.document);
                            const n = t.getChild(t.childCount - 1),
                            o = n instanceof un ? ao._createAt(n, "end") : ao._createAt(t, "end");
                            return this.move(co._createIn(i), ao._createAt(t, "end")),
                            this.remove(co._createOn(i)),
                            o
                        }
                        insert(e, t) {
                            (function e(t, i) {
                                for (const n of t) {
                                    if (!Qo.some(e => n instanceof e))
                                        throw new c.a("view-writer-insert-invalid-node-type", i);
                                    n.is("$text") || e(n.getChildren(), i)
                                }
                            })(t = Ji(t) ? [...t] : [t], this.document);
                            const i = t.reduce((e, t) => {
                                const i = e[e.length - 1],
                                n = !(t.is("uiElement") && t.isAllowedInsideAttributeElement);
                                return i && i.breakAttributes == n ? i.nodes.push(t) : e.push({
                                    breakAttributes: n,
                                    nodes: [t]
                                }),
                                e
                            }, []);
                            let n = null,
                            o = e;
                            for (const {
                                nodes: e,
                                breakAttributes: t
                            }
                                of i) {
                                const i = this._insertNodes(o, e, t);
                                n || (n = i.start),
                                o = i.end
                            }
                            return n ? new co(n, o) : new co(e)
                        }
                        remove(e) {
                            const t = e instanceof co ? e : co._createOn(e);
                            if (Zo(t, this.document), t.isCollapsed)
                                return new Uo(this.document);
                            const {
                                start: i,
                                end: n
                            } = this._breakAttributesRange(t, !0),
                            o = i.parent,
                            r = n.offset - i.offset,
                            s = o._removeChildren(i.offset, r);
                            for (const e of s)
                                this._removeFromClonedElementsGroup(e);
                            const a = this.mergeAttributes(i);
                            return t.start = a,
                            t.end = a.clone(),
                            new Uo(this.document, s)
                        }
                        clear(e, t) {
                            Zo(e, this.document);
                            const i = e.getWalker({
                                direction: "backward",
                                ignoreElementEnd: !0
                            });
                            for (const n of i) {
                                const i = n.item;
                                let o;
                                if (i.is("element") && t.isSimilar(i))
                                    o = co._createOn(i);
                                else if (!n.nextPosition.isAfter(e.start) && i.is("$textProxy")) {
                                    const e = i.getAncestors().find(e => e.is("element") && t.isSimilar(e));
                                    e && (o = co._createIn(e))
                                }
                                o && (o.end.isAfter(e.end) && (o.end = e.end), o.start.isBefore(e.start) && (o.start = e.start), this.remove(o))
                            }
                        }
                        move(e, t) {
                            let i;
                            if (t.isAfter(e.end)) {
                                const n = (t = this._breakAttributes(t, !0)).parent,
                                o = n.childCount;
                                e = this._breakAttributesRange(e, !0),
                                i = this.remove(e),
                                t.offset += n.childCount - o
                            } else
                                i = this.remove(e);
                            return this.insert(t, i)
                        }
                        wrap(e, t) {
                            if (!(t instanceof yo))
                                throw new c.a("view-writer-wrap-invalid-attribute", this.document);
                            if (Zo(e, this.document), e.isCollapsed) {
                                let n = e.start;
                                n.parent.is("element") && (i = n.parent, !Array.from(i.getChildren()).some(e => !e.is("uiElement"))) && (n = n.getLastMatchingPosition(e => e.item.is("uiElement"))),
                                n = this._wrapPosition(n, t);
                                const o = this.document.selection;
                                return o.isCollapsed && o.getFirstPosition().isEqual(e.start) && this.setSelection(n),
                                new co(n)
                            }
                            return this._wrapRange(e, t);
                            var i
                        }
                        unwrap(e, t) {
                            if (!(t instanceof yo))
                                throw new c.a("view-writer-unwrap-invalid-attribute", this.document);
                            if (Zo(e, this.document), e.isCollapsed)
                                return e;
                            const {
                                start: i,
                                end: n
                            } = this._breakAttributesRange(e, !0),
                            o = i.parent,
                            r = this._unwrapChildren(o, i.offset, n.offset, t),
                            s = this.mergeAttributes(r.start);
                            s.isEqual(r.start) || r.end.offset--;
                            const a = this.mergeAttributes(r.end);
                            return new co(s, a)
                        }
                        rename(e, t) {
                            const i = new to(this.document, e, t.getAttributes());
                            return this.insert(ao._createAfter(t), i),
                            this.move(co._createIn(t), ao._createAt(i, 0)),
                            this.remove(co._createOn(t)),
                            i
                        }
                        clearClonedElementsGroup(e) {
                            this._cloneGroups.delete(e)
                        }
                        createPositionAt(e, t) {
                            return ao._createAt(e, t)
                        }
                        createPositionAfter(e) {
                            return ao._createAfter(e)
                        }
                        createPositionBefore(e) {
                            return ao._createBefore(e)
                        }
                        createRange(e, t) {
                            return new co(e, t)
                        }
                        createRangeOn(e) {
                            return co._createOn(e)
                        }
                        createRangeIn(e) {
                            return co._createIn(e)
                        }
                        createSelection(e, t, i) {
                            return new ho(e, t, i)
                        }
                        _insertNodes(e, t, i) {
                            let n,
                            o;
                            if (n = i ? qo(e) : e.parent.is("$text") ? e.parent.parent : e.parent, !n)
                                throw new c.a("view-writer-invalid-position-container", this.document);
                            o = i ? this._breakAttributes(e, !0) : e.parent.is("$text") ? Go(e) : e;
                            const r = n._insertChild(o.offset, t);
                            for (const e of t)
                                this._addToClonedElementsGroup(e);
                            const s = o.getShiftedBy(r),
                            a = this.mergeAttributes(o);
                            a.isEqual(o) || s.offset--;
                            const l = this.mergeAttributes(s);
                            return new co(a, l)
                        }
                        _wrapChildren(e, t, i, n) {
                            let o = t;
                            const r = [];
                            for (; o < i; ) {
                                const t = e.getChild(o),
                                i = t.is("$text"),
                                s = t.is("attributeElement"),
                                a = t.isAllowedInsideAttributeElement;
                                if (s && this._wrapAttributeElement(n, t))
                                    r.push(new ao(e, o));
                                else if (i || a || s && $o(n, t)) {
                                    const i = n._clone();
                                    t._remove(),
                                    i._appendChild(t),
                                    e._insertChild(o, i),
                                    this._addToClonedElementsGroup(i),
                                    r.push(new ao(e, o))
                                } else
                                    s && this._wrapChildren(t, 0, t.childCount, n);
                                o++
                            }
                            let s = 0;
                            for (const e of r) {
                                if (e.offset -= s, e.offset == t)
                                    continue;
                                this.mergeAttributes(e).isEqual(e) || (s++, i--)
                            }
                            return co._createFromParentsAndOffsets(e, t, e, i)
                        }
                        _unwrapChildren(e, t, i, n) {
                            let o = t;
                            const r = [];
                            for (; o < i; ) {
                                const t = e.getChild(o);
                                if (t.is("attributeElement"))
                                    if (t.isSimilar(n)) {
                                        const n = t.getChildren(),
                                        s = t.childCount;
                                        t._remove(),
                                        e._insertChild(o, n),
                                        this._removeFromClonedElementsGroup(t),
                                        r.push(new ao(e, o), new ao(e, o + s)),
                                        o += s,
                                        i += s - 1
                                    } else
                                        this._unwrapAttributeElement(n, t) ? (r.push(new ao(e, o), new ao(e, o + 1)), o++) : (this._unwrapChildren(t, 0, t.childCount, n), o++);
                                else
                                    o++
                            }
                            let s = 0;
                            for (const e of r) {
                                if (e.offset -= s, e.offset == t || e.offset == i)
                                    continue;
                                this.mergeAttributes(e).isEqual(e) || (s++, i--)
                            }
                            return co._createFromParentsAndOffsets(e, t, e, i)
                        }
                        _wrapRange(e, t) {
                            const {
                                start: i,
                                end: n
                            } = this._breakAttributesRange(e, !0),
                            o = i.parent,
                            r = this._wrapChildren(o, i.offset, n.offset, t),
                            s = this.mergeAttributes(r.start);
                            s.isEqual(r.start) || r.end.offset--;
                            const a = this.mergeAttributes(r.end);
                            return new co(s, a)
                        }
                        _wrapPosition(e, t) {
                            if (t.isSimilar(e.parent))
                                return Yo(e.clone());
                            e.parent.is("$text") && (e = Go(e));
                            const i = this.createAttributeElement();
                            i._priority = Number.POSITIVE_INFINITY,
                            i.isSimilar = () => !1,
                            e.parent._insertChild(e.offset, i);
                            const n = new co(e, e.getShiftedBy(1));
                            this.wrap(n, t);
                            const o = new ao(i.parent, i.index);
                            i._remove();
                            const r = o.nodeBefore,
                            s = o.nodeAfter;
                            return r instanceof un && s instanceof un ? Ko(r, s) : Yo(o)
                        }
                        _wrapAttributeElement(e, t) {
                            if (!Xo(e, t))
                                return !1;
                            if (e.name !== t.name || e.priority !== t.priority)
                                return !1;
                            for (const i of e.getAttributeKeys())
                                if ("class" !== i && "style" !== i && t.hasAttribute(i) && t.getAttribute(i) !== e.getAttribute(i))
                                    return !1;
                            for (const i of e.getStyleNames())
                                if (t.hasStyle(i) && t.getStyle(i) !== e.getStyle(i))
                                    return !1;
                            for (const i of e.getAttributeKeys())
                                "class" !== i && "style" !== i && (t.hasAttribute(i) || this.setAttribute(i, e.getAttribute(i), t));
                            for (const i of e.getStyleNames())
                                t.hasStyle(i) || this.setStyle(i, e.getStyle(i), t);
                            for (const i of e.getClassNames())
                                t.hasClass(i) || this.addClass(i, t);
                            return !0
                        }
                        _unwrapAttributeElement(e, t) {
                            if (!Xo(e, t))
                                return !1;
                            if (e.name !== t.name || e.priority !== t.priority)
                                return !1;
                            for (const i of e.getAttributeKeys())
                                if ("class" !== i && "style" !== i && (!t.hasAttribute(i) || t.getAttribute(i) !== e.getAttribute(i)))
                                    return !1;
                            if (!t.hasClass(...e.getClassNames()))
                                return !1;
                            for (const i of e.getStyleNames())
                                if (!t.hasStyle(i) || t.getStyle(i) !== e.getStyle(i))
                                    return !1;
                            for (const i of e.getAttributeKeys())
                                "class" !== i && "style" !== i && this.removeAttribute(i, t);
                            return this.removeClass(Array.from(e.getClassNames()), t),
                            this.removeStyle(Array.from(e.getStyleNames()), t),
                            !0
                        }
                        _breakAttributesRange(e, t = !1) {
                            const i = e.start,
                            n = e.end;
                            if (Zo(e, this.document), e.isCollapsed) {
                                const i = this._breakAttributes(e.start, t);
                                return new co(i, i)
                            }
                            const o = this._breakAttributes(n, t),
                            r = o.parent.childCount,
                            s = this._breakAttributes(i, t);
                            return o.offset += o.parent.childCount - r,
                            new co(s, o)
                        }
                        _breakAttributes(e, t = !1) {
                            const i = e.offset,
                            n = e.parent;
                            if (e.parent.is("emptyElement"))
                                throw new c.a("view-writer-cannot-break-empty-element", this.document);
                            if (e.parent.is("uiElement"))
                                throw new c.a("view-writer-cannot-break-ui-element", this.document);
                            if (e.parent.is("rawElement"))
                                throw new c.a("view-writer-cannot-break-raw-element", this.document);
                            if (!t && n.is("$text") && Jo(n.parent))
                                return e.clone();
                            if (Jo(n))
                                return e.clone();
                            if (n.is("$text"))
                                return this._breakAttributes(Go(e), t);
                            if (i == n.childCount) {
                                const e = new ao(n.parent, n.index + 1);
                                return this._breakAttributes(e, t)
                            }
                            if (0 === i) {
                                const e = new ao(n.parent, n.index);
                                return this._breakAttributes(e, t)
                            } {
                                const e = n.index + 1,
                                o = n._clone();
                                n.parent._insertChild(e, o),
                                this._addToClonedElementsGroup(o);
                                const r = n.childCount - i,
                                s = n._removeChildren(i, r);
                                o._appendChild(s);
                                const a = new ao(n.parent, e);
                                return this._breakAttributes(a, t)
                            }
                        }
                        _addToClonedElementsGroup(e) {
                            if (!e.root.is("rootElement"))
                                return;
                            if (e.is("element"))
                                for (const t of e.getChildren())
                                    this._addToClonedElementsGroup(t);
                            const t = e.id;
                            if (!t)
                                return;
                            let i = this._cloneGroups.get(t);
                            i || (i = new Set, this._cloneGroups.set(t, i)),
                            i.add(e),
                            e._clonesGroup = i
                        }
                        _removeFromClonedElementsGroup(e) {
                            if (e.is("element"))
                                for (const t of e.getChildren())
                                    this._removeFromClonedElementsGroup(t);
                            const t = e.id;
                            if (!t)
                                return;
                            const i = this._cloneGroups.get(t);
                            i && i.delete(e)
                        }
                    }
                    function qo(e) {
                        let t = e.parent;
                        for (; !Jo(t); ) {
                            if (!t)
                                return;
                            t = t.parent
                        }
                        return t
                    }
                    function $o(e, t) {
                        return e.priority < t.priority || !(e.priority > t.priority) && e.getIdentity() < t.getIdentity()
                    }
                    function Yo(e) {
                        const t = e.nodeBefore;
                        if (t && t.is("$text"))
                            return new ao(t, t.data.length);
                        const i = e.nodeAfter;
                        return i && i.is("$text") ? new ao(i, 0) : e
                    }
                    function Go(e) {
                        if (e.offset == e.parent.data.length)
                            return new ao(e.parent.parent, e.parent.index + 1);
                        if (0 === e.offset)
                            return new ao(e.parent.parent, e.parent.index);
                        const t = e.parent.data.slice(e.offset);
                        return e.parent._data = e.parent.data.slice(0, e.offset),
                        e.parent.parent._insertChild(e.parent.index + 1, new un(e.root.document, t)),
                        new ao(e.parent.parent, e.parent.index + 1)
                    }
                    function Ko(e, t) {
                        const i = e.data.length;
                        return e._data += t.data,
                        t._remove(),
                        new ao(e, i)
                    }
                    const Qo = [un, yo, to, Co, Fo, Vo];
                    function Jo(e) {
                        return e && (e.is("containerElement") || e.is("documentFragment"))
                    }
                    function Zo(e, t) {
                        const i = qo(e.start),
                        n = qo(e.end);
                        if (!i || !n || i !== n)
                            throw new c.a("view-writer-invalid-range-container", t)
                    }
                    function Xo(e, t) {
                        return null === e.id && null === t.id
                    }
                    function er(e) {
                        return "[object Text]" == Object.prototype.toString.call(e)
                    }
                    const tr = e => e.createTextNode(" "),
                    ir = e => {
                        const t = e.createElement("span");
                        return t.dataset.ckeFiller = !0,
                        t.innerHTML = " ",
                        t
                    },
                    nr = e => {
                        const t = e.createElement("br");
                        return t.dataset.ckeFiller = !0,
                        t
                    },
                    or = "⁠".repeat(7);
                    function rr(e) {
                        return er(e) && e.data.substr(0, 7) === or
                    }
                    function sr(e) {
                        return 7 == e.data.length && rr(e)
                    }
                    function ar(e) {
                        return rr(e) ? e.data.slice(7) : e.data
                    }
                    function cr(e, t) {
                        if (t.keyCode == Io.arrowleft) {
                            const e = t.domTarget.ownerDocument.defaultView.getSelection();
                            if (1 == e.rangeCount && e.getRangeAt(0).collapsed) {
                                const t = e.getRangeAt(0).startContainer,
                                i = e.getRangeAt(0).startOffset;
                                rr(t) && i <= 7 && e.collapse(t, 0)
                            }
                        }
                    }
                    function lr(e, t, i, n = !1) {
                        i = i || function (e, t) {
                            return e === t
                        },
                        Array.isArray(e) || (e = Array.prototype.slice.call(e)),
                        Array.isArray(t) || (t = Array.prototype.slice.call(t));
                        const o = function (e, t, i) {
                            const n = dr(e, t, i);
                            if (-1 === n)
                                return {
                                    firstIndex: -1,
                                    lastIndexOld: -1,
                                    lastIndexNew: -1
                                };
                            const o = ur(e, n),
                            r = ur(t, n),
                            s = dr(o, r, i),
                            a = e.length - s,
                            c = t.length - s;
                            return {
                                firstIndex: n,
                                lastIndexOld: a,
                                lastIndexNew: c
                            }
                        }
                        (e, t, i);
                        return n ? function (e, t) {
                            const {
                                firstIndex: i,
                                lastIndexOld: n,
                                lastIndexNew: o
                            } = e;
                            if (-1 === i)
                                return Array(t).fill("equal");
                            let r = [];
                            i > 0 && (r = r.concat(Array(i).fill("equal")));
                            o - i > 0 && (r = r.concat(Array(o - i).fill("insert")));
                            n - i > 0 && (r = r.concat(Array(n - i).fill("delete")));
                            o < t && (r = r.concat(Array(t - o).fill("equal")));
                            return r
                        }
                        (o, t.length) : function (e, t) {
                            const i = [], {
                                firstIndex: n,
                                lastIndexOld: o,
                                lastIndexNew: r
                            } = t;
                            r - n > 0 && i.push({
                                index: n,
                                type: "insert",
                                values: e.slice(n, r)
                            });
                            o - n > 0 && i.push({
                                index: n + (r - n),
                                type: "delete",
                                howMany: o - n
                            });
                            return i
                        }
                        (t, o)
                    }
                    function dr(e, t, i) {
                        for (let n = 0; n < Math.max(e.length, t.length); n++)
                            if (void 0 === e[n] || void 0 === t[n] || !i(e[n], t[n]))
                                return n;
                        return -1
                    }
                    function ur(e, t) {
                        return e.slice(t).reverse()
                    }
                    function hr(e, t, i) {
                        i = i || function (e, t) {
                            return e === t
                        };
                        const n = e.length,
                        o = t.length;
                        if (n > 200 || o > 200 || n + o > 300)
                            return hr.fastDiff(e, t, i, !0);
                        let r,
                        s;
                        if (o < n) {
                            const i = e;
                            e = t,
                            t = i,
                            r = "delete",
                            s = "insert"
                        } else
                            r = "insert", s = "delete";
                        const a = e.length,
                        c = t.length,
                        l = c - a,
                        d = {},
                        u = {};
                        function h(n) {
                            const o = (void 0 !== u[n - 1] ? u[n - 1] : -1) + 1,
                            l = void 0 !== u[n + 1] ? u[n + 1] : -1,
                            h = o > l ? -1 : 1;
                            d[n + h] && (d[n] = d[n + h].slice(0)),
                            d[n] || (d[n] = []),
                            d[n].push(o > l ? r : s);
                            let f = Math.max(o, l),
                            g = f - n;
                            for (; g < a && f < c && i(e[g], t[f]); )
                                g++, f++, d[n].push("equal");
                            return f
                        }
                        let f,
                        g = 0;
                        do {
                            for (f = -g; f < l; f++)
                                u[f] = h(f);
                            for (f = l + g; f > l; f--)
                                u[f] = h(f);
                            u[l] = h(l),
                            g++
                        } while (u[l] !== c);
                        return d[l].slice(1)
                    }
                    function fr(e, t, i) {
                        e.insertBefore(i, e.childNodes[t] || null)
                    }
                    function gr(e) {
                        const t = e.parentNode;
                        t && t.removeChild(e)
                    }
                    function mr(e) {
                        if (e) {
                            if (e.defaultView)
                                return e instanceof e.defaultView.Document;
                            if (e.ownerDocument && e.ownerDocument.defaultView)
                                return e instanceof e.ownerDocument.defaultView.Node
                        }
                        return !1
                    }
                    hr.fastDiff = lr;
                    class pr {
                        constructor(e, t) {
                            this.domDocuments = new Set,
                            this.domConverter = e,
                            this.markedAttributes = new Set,
                            this.markedChildren = new Set,
                            this.markedTexts = new Set,
                            this.selection = t,
                            this.isFocused = !1,
                            this._inlineFiller = null,
                            this._fakeSelectionContainer = null
                        }
                        markToSync(e, t) {
                            if ("text" === e)
                                this.domConverter.mapViewToDom(t.parent) && this.markedTexts.add(t);
                            else {
                                if (!this.domConverter.mapViewToDom(t))
                                    return;
                                if ("attributes" === e)
                                    this.markedAttributes.add(t);
                                else {
                                    if ("children" !== e)
                                        throw new c.a("view-renderer-unknown-type", this);
                                    this.markedChildren.add(t)
                                }
                            }
                        }
                        render() {
                            let e;
                            for (const e of this.markedChildren)
                                this._updateChildrenMappings(e);
                            this._inlineFiller && !this._isSelectionInInlineFiller() && this._removeInlineFiller(),
                            this._inlineFiller ? e = this._getInlineFillerPosition() : this._needsInlineFillerAtSelection() && (e = this.selection.getFirstPosition(), this.markedChildren.add(e.parent));
                            for (const e of this.markedAttributes)
                                this._updateAttrs(e);
                            for (const t of this.markedChildren)
                                this._updateChildren(t, {
                                    inlineFillerPosition: e
                                });
                            for (const t of this.markedTexts)
                                !this.markedChildren.has(t.parent) && this.domConverter.mapViewToDom(t.parent) && this._updateText(t, {
                                    inlineFillerPosition: e
                                });
                            if (e) {
                                const t = this.domConverter.viewPositionToDom(e),
                                i = t.parent.ownerDocument;
                                rr(t.parent) ? this._inlineFiller = t.parent : this._inlineFiller = br(i, t.parent, t.offset)
                            } else
                                this._inlineFiller = null;
                            this._updateFocus(),
                            this._updateSelection(),
                            this.markedTexts.clear(),
                            this.markedAttributes.clear(),
                            this.markedChildren.clear()
                        }
                        _updateChildrenMappings(e) {
                            const t = this.domConverter.mapViewToDom(e);
                            if (!t)
                                return;
                            const i = this.domConverter.mapViewToDom(e).childNodes,
                            n = Array.from(this.domConverter.viewChildrenToDom(e, t.ownerDocument, {
                                        withChildren: !1
                                    })),
                            o = this._diffNodeLists(i, n),
                            r = this._findReplaceActions(o, i, n);
                            if (-1 !== r.indexOf("replace")) {
                                const t = {
                                    equal: 0,
                                    insert: 0,
                                    delete : 0
                                };
                                for (const o of r)
                                    if ("replace" === o) {
                                        const o = t.equal + t.insert,
                                        r = t.equal + t.delete,
                                        s = e.getChild(o);
                                        !s || s.is("uiElement") || s.is("rawElement") || this._updateElementMappings(s, i[r]),
                                        gr(n[o]),
                                        t.equal++
                                    } else
                                        t[o]++
                            }
                        }
                        _updateElementMappings(e, t) {
                            this.domConverter.unbindDomElement(t),
                            this.domConverter.bindElements(t, e),
                            this.markedChildren.add(e),
                            this.markedAttributes.add(e)
                        }
                        _getInlineFillerPosition() {
                            const e = this.selection.getFirstPosition();
                            return e.parent.is("$text") ? ao._createBefore(this.selection.getFirstPosition().parent) : e
                        }
                        _isSelectionInInlineFiller() {
                            if (1 != this.selection.rangeCount || !this.selection.isCollapsed)
                                return !1;
                            const e = this.selection.getFirstPosition(),
                            t = this.domConverter.viewPositionToDom(e);
                            return !!(t && er(t.parent) && rr(t.parent))
                        }
                        _removeInlineFiller() {
                            const e = this._inlineFiller;
                            if (!rr(e))
                                throw new c.a("view-renderer-filler-was-lost", this);
                            sr(e) ? e.parentNode.removeChild(e) : e.data = e.data.substr(7),
                            this._inlineFiller = null
                        }
                        _needsInlineFillerAtSelection() {
                            if (1 != this.selection.rangeCount || !this.selection.isCollapsed)
                                return !1;
                            const e = this.selection.getFirstPosition(),
                            t = e.parent,
                            i = e.offset;
                            if (!this.domConverter.mapViewToDom(t.root))
                                return !1;
                            if (!t.is("element"))
                                return !1;
                            if (!function (e) {
                                if ("false" == e.getAttribute("contenteditable"))
                                    return !1;
                                const t = e.findAncestor(e => e.hasAttribute("contenteditable"));
                                return !t || "true" == t.getAttribute("contenteditable")
                            }
                                (t))
                                return !1;
                            if (i === t.getFillerOffset())
                                return !1;
                            const n = e.nodeBefore,
                            o = e.nodeAfter;
                            return !(n instanceof un || o instanceof un)
                        }
                        _updateText(e, t) {
                            const i = this.domConverter.findCorrespondingDomText(e),
                            n = this.domConverter.viewToDom(e, i.ownerDocument),
                            o = i.data;
                            let r = n.data;
                            const s = t.inlineFillerPosition;
                            if (s && s.parent == e.parent && s.offset == e.index && (r = or + r), o != r) {
                                const e = lr(o, r);
                                for (const t of e)
                                    "insert" === t.type ? i.insertData(t.index, t.values.join("")) : i.deleteData(t.index, t.howMany)
                            }
                        }
                        _updateAttrs(e) {
                            const t = this.domConverter.mapViewToDom(e);
                            if (!t)
                                return;
                            const i = Array.from(t.attributes).map(e => e.name),
                            n = e.getAttributeKeys();
                            for (const i of n)
                                t.setAttribute(i, e.getAttribute(i));
                            for (const n of i)
                                e.hasAttribute(n) || t.removeAttribute(n)
                        }
                        _updateChildren(e, t) {
                            const i = this.domConverter.mapViewToDom(e);
                            if (!i)
                                return;
                            const n = t.inlineFillerPosition,
                            o = this.domConverter.mapViewToDom(e).childNodes,
                            r = Array.from(this.domConverter.viewChildrenToDom(e, i.ownerDocument, {
                                        bind: !0,
                                        inlineFillerPosition: n
                                    }));
                            n && n.parent === e && br(i.ownerDocument, r, n.offset);
                            const s = this._diffNodeLists(o, r);
                            let a = 0;
                            const c = new Set;
                            for (const e of s)
                                "delete" === e ? (c.add(o[a]), gr(o[a])) : "equal" === e && a++;
                            a = 0;
                            for (const e of s)
                                "insert" === e ? (fr(i, a, r[a]), a++) : "equal" === e && (this._markDescendantTextToSync(this.domConverter.domToView(r[a])), a++);
                            for (const e of c)
                                e.parentNode || this.domConverter.unbindDomElement(e)
                        }
                        _diffNodeLists(e, t) {
                            return hr(e = function (e, t) {
                                const i = Array.from(e);
                                if (0 == i.length || !t)
                                    return i;
                                i[i.length - 1] == t && i.pop();
                                return i
                            }
                                (e, this._fakeSelectionContainer), t, kr.bind(null, this.domConverter))
                        }
                        _findReplaceActions(e, t, i) {
                            if (-1 === e.indexOf("insert") || -1 === e.indexOf("delete"))
                                return e;
                            let n = [],
                            o = [],
                            r = [];
                            const s = {
                                equal: 0,
                                insert: 0,
                                delete : 0
                            };
                            for (const a of e)
                                "insert" === a ? r.push(i[s.equal + s.insert]) : "delete" === a ? o.push(t[s.equal + s.delete]) : (n = n.concat(hr(o, r, wr).map(e => "equal" === e ? "replace" : e)), n.push("equal"), o = [], r = []), s[a]++;
                            return n.concat(hr(o, r, wr).map(e => "equal" === e ? "replace" : e))
                        }
                        _markDescendantTextToSync(e) {
                            if (e)
                                if (e.is("$text"))
                                    this.markedTexts.add(e);
                                else if (e.is("element"))
                                    for (const t of e.getChildren())
                                        this._markDescendantTextToSync(t)
                        }
                        _updateSelection() {
                            if (0 === this.selection.rangeCount)
                                return this._removeDomSelection(), void this._removeFakeSelection();
                            const e = this.domConverter.mapViewToDom(this.selection.editableElement);
                            this.isFocused && e && (this.selection.isFake ? this._updateFakeSelection(e) : (this._removeFakeSelection(), this._updateDomSelection(e)))
                        }
                        _updateFakeSelection(e) {
                            const t = e.ownerDocument;
                            this._fakeSelectionContainer || (this._fakeSelectionContainer = function (e) {
                                const t = e.createElement("div");
                                return t.className = "ck-fake-selection-container",
                                Object.assign(t.style, {
                                    position: "fixed",
                                    top: 0,
                                    left: "-9999px",
                                    width: "42px"
                                }),
                                t.textContent = " ",
                                t
                            }
                                (t));
                            const i = this._fakeSelectionContainer;
                            if (this.domConverter.bindFakeSelection(i, this.selection), !this._fakeSelectionNeedsUpdate(e))
                                return;
                            i.parentElement && i.parentElement == e || e.appendChild(i),
                            i.textContent = this.selection.fakeSelectionLabel || " ";
                            const n = t.getSelection(),
                            o = t.createRange();
                            n.removeAllRanges(),
                            o.selectNodeContents(i),
                            n.addRange(o)
                        }
                        _updateDomSelection(e) {
                            const t = e.ownerDocument.defaultView.getSelection();
                            if (!this._domSelectionNeedsUpdate(t))
                                return;
                            const i = this.domConverter.viewPositionToDom(this.selection.anchor),
                            n = this.domConverter.viewPositionToDom(this.selection.focus);
                            t.collapse(i.parent, i.offset),
                            t.extend(n.parent, n.offset),
                            Po.isGecko && function (e, t) {
                                const i = e.parent;
                                if (i.nodeType != Node.ELEMENT_NODE || e.offset != i.childNodes.length - 1)
                                    return;
                                const n = i.childNodes[e.offset];
                                n && "BR" == n.tagName && t.addRange(t.getRangeAt(0))
                            }
                            (n, t)
                        }
                        _domSelectionNeedsUpdate(e) {
                            if (!this.domConverter.isDomSelectionCorrect(e))
                                return !0;
                            const t = e && this.domConverter.domSelectionToView(e);
                            return (!t || !this.selection.isEqual(t)) && !(!this.selection.isCollapsed && this.selection.isSimilar(t))
                        }
                        _fakeSelectionNeedsUpdate(e) {
                            const t = this._fakeSelectionContainer,
                            i = e.ownerDocument.getSelection();
                            return !t || t.parentElement !== e || (i.anchorNode !== t && !t.contains(i.anchorNode) || t.textContent !== this.selection.fakeSelectionLabel)
                        }
                        _removeDomSelection() {
                            for (const e of this.domDocuments) {
                                if (e.getSelection().rangeCount) {
                                    const t = e.activeElement,
                                    i = this.domConverter.mapDomToView(t);
                                    t && i && e.getSelection().removeAllRanges()
                                }
                            }
                        }
                        _removeFakeSelection() {
                            const e = this._fakeSelectionContainer;
                            e && e.remove()
                        }
                        _updateFocus() {
                            if (this.isFocused) {
                                const e = this.selection.editableElement;
                                e && this.domConverter.focus(e)
                            }
                        }
                    }
                    function br(e, t, i) {
                        const n = t instanceof Array ? t : t.childNodes,
                        o = n[i];
                        if (er(o))
                            return o.data = or + o.data, o; {
                            const o = e.createTextNode(or);
                            return Array.isArray(t) ? n.splice(i, 0, o) : fr(t, i, o),
                            o
                        }
                    }
                    function wr(e, t) {
                        return mr(e) && mr(t) && !er(e) && !er(t) && e.nodeType !== Node.COMMENT_NODE && t.nodeType !== Node.COMMENT_NODE && e.tagName.toLowerCase() === t.tagName.toLowerCase()
                    }
                    function kr(e, t, i) {
                        return t === i || (er(t) && er(i) ? t.data === i.data : !(!e.isBlockFiller(t) || !e.isBlockFiller(i)))
                    }
                    Ke(pr, Ue);
                    var _r = {
                        window: window,
                        document: document
                    };
                    function vr(e) {
                        let t = 0;
                        for (; e.previousSibling; )
                            e = e.previousSibling, t++;
                        return t
                    }
                    function yr(e) {
                        const t = [];
                        for (; e && e.nodeType != Node.DOCUMENT_NODE; )
                            t.unshift(e), e = e.parentNode;
                        return t
                    }
                    const xr = nr(document),
                    Ar = tr(document),
                    Cr = ir(document);
                    class Tr {
                        constructor(e, t = {}) {
                            this.document = e,
                            this.blockFillerMode = t.blockFillerMode || "br",
                            this.preElements = ["pre"],
                            this.blockElements = ["p", "div", "h1", "h2", "h3", "h4", "h5", "h6", "li", "dd", "dt", "figcaption", "td", "th"],
                            this._domToViewMapping = new WeakMap,
                            this._viewToDomMapping = new WeakMap,
                            this._fakeSelectionMapping = new WeakMap,
                            this._rawContentElementMatcher = new gn,
                            this._encounteredRawContentDomNodes = new WeakSet
                        }
                        bindFakeSelection(e, t) {
                            this._fakeSelectionMapping.set(e, new ho(t))
                        }
                        fakeSelectionToView(e) {
                            return this._fakeSelectionMapping.get(e)
                        }
                        bindElements(e, t) {
                            this._domToViewMapping.set(e, t),
                            this._viewToDomMapping.set(t, e)
                        }
                        unbindDomElement(e) {
                            const t = this._domToViewMapping.get(e);
                            if (t) {
                                this._domToViewMapping.delete(e),
                                this._viewToDomMapping.delete(t);
                                for (const t of e.childNodes)
                                    this.unbindDomElement(t)
                            }
                        }
                        bindDocumentFragments(e, t) {
                            this._domToViewMapping.set(e, t),
                            this._viewToDomMapping.set(t, e)
                        }
                        viewToDom(e, t, i = {}) {
                            if (e.is("$text")) {
                                const i = this._processDataFromViewText(e);
                                return t.createTextNode(i)
                            } {
                                if (this.mapViewToDom(e))
                                    return this.mapViewToDom(e);
                                let n;
                                if (e.is("documentFragment"))
                                    n = t.createDocumentFragment(), i.bind && this.bindDocumentFragments(n, e);
                                else {
                                    if (e.is("uiElement"))
                                        return n = e.render(t), i.bind && this.bindElements(n, e), n;
                                    n = e.hasAttribute("xmlns") ? t.createElementNS(e.getAttribute("xmlns"), e.name) : t.createElement(e.name),
                                    e.is("rawElement") && e.render(n),
                                    i.bind && this.bindElements(n, e);
                                    for (const t of e.getAttributeKeys())
                                        n.setAttribute(t, e.getAttribute(t))
                                }
                                if (!1 !== i.withChildren)
                                    for (const o of this.viewChildrenToDom(e, t, i))
                                        n.appendChild(o);
                                return n
                            }
                        }
                         * viewChildrenToDom(e, t, i = {}) {
                            const n = e.getFillerOffset && e.getFillerOffset();
                            let o = 0;
                            for (const r of e.getChildren())
                                n === o && (yield this._getBlockFiller(t)), yield this.viewToDom(r, t, i), o++;
                            n === o && (yield this._getBlockFiller(t))
                        }
                        viewRangeToDom(e) {
                            const t = this.viewPositionToDom(e.start),
                            i = this.viewPositionToDom(e.end),
                            n = document.createRange();
                            return n.setStart(t.parent, t.offset),
                            n.setEnd(i.parent, i.offset),
                            n
                        }
                        viewPositionToDom(e) {
                            const t = e.parent;
                            if (t.is("$text")) {
                                const i = this.findCorrespondingDomText(t);
                                if (!i)
                                    return null;
                                let n = e.offset;
                                return rr(i) && (n += 7), {
                                    parent: i,
                                    offset: n
                                }
                            } {
                                let i,
                                n,
                                o;
                                if (0 === e.offset) {
                                    if (i = this.mapViewToDom(t), !i)
                                        return null;
                                    o = i.childNodes[0]
                                } else {
                                    const t = e.nodeBefore;
                                    if (n = t.is("$text") ? this.findCorrespondingDomText(t) : this.mapViewToDom(e.nodeBefore), !n)
                                        return null;
                                    i = n.parentNode,
                                    o = n.nextSibling
                                }
                                if (er(o) && rr(o))
                                    return {
                                        parent: o,
                                        offset: 7
                                    };
                                return {
                                    parent: i,
                                    offset: n ? vr(n) + 1 : 0
                                }
                            }
                        }
                        domToView(e, t = {}) {
                            if (this.isBlockFiller(e))
                                return null;
                            const i = this.getHostViewElement(e);
                            if (i)
                                return i;
                            if (er(e)) {
                                if (sr(e))
                                    return null; {
                                    const t = this._processDataFromDomText(e);
                                    return "" === t ? null : new un(this.document, t)
                                }
                            }
                            if (this.isComment(e))
                                return null; {
                                if (this.mapDomToView(e))
                                    return this.mapDomToView(e);
                                let i;
                                if (this.isDocumentFragment(e))
                                    i = new Uo(this.document), t.bind && this.bindDocumentFragments(e, i);
                                else {
                                    const n = t.keepOriginalCase ? e.tagName : e.tagName.toLowerCase();
                                    i = new Xn(this.document, n),
                                    t.bind && this.bindElements(e, i);
                                    const o = e.attributes;
                                    for (let e = o.length - 1; e >= 0; e--)
                                        i._setAttribute(o[e].name, o[e].value);
                                    if (!1 !== t.withChildren && this._rawContentElementMatcher.match(i))
                                        return i._setCustomProperty("$rawContent", e.innerHTML), this._encounteredRawContentDomNodes.add(e), i
                                }
                                if (!1 !== t.withChildren)
                                    for (const n of this.domChildrenToView(e, t))
                                        i._appendChild(n);
                                return i
                            }
                        }
                         * domChildrenToView(e, t = {}) {
                            for (let i = 0; i < e.childNodes.length; i++) {
                                const n = e.childNodes[i],
                                o = this.domToView(n, t);
                                null !== o && (yield o)
                            }
                        }
                        domSelectionToView(e) {
                            if (1 === e.rangeCount) {
                                let t = e.getRangeAt(0).startContainer;
                                er(t) && (t = t.parentNode);
                                const i = this.fakeSelectionToView(t);
                                if (i)
                                    return i
                            }
                            const t = this.isDomSelectionBackward(e),
                            i = [];
                            for (let t = 0; t < e.rangeCount; t++) {
                                const n = e.getRangeAt(t),
                                o = this.domRangeToView(n);
                                o && i.push(o)
                            }
                            return new ho(i, {
                                backward: t
                            })
                        }
                        domRangeToView(e) {
                            const t = this.domPositionToView(e.startContainer, e.startOffset),
                            i = this.domPositionToView(e.endContainer, e.endOffset);
                            return t && i ? new co(t, i) : null
                        }
                        domPositionToView(e, t) {
                            if (this.isBlockFiller(e))
                                return this.domPositionToView(e.parentNode, vr(e));
                            const i = this.mapDomToView(e);
                            if (i && (i.is("uiElement") || i.is("rawElement")))
                                return ao._createBefore(i);
                            if (er(e)) {
                                if (sr(e))
                                    return this.domPositionToView(e.parentNode, vr(e));
                                const i = this.findCorrespondingViewText(e);
                                let n = t;
                                return i ? (rr(e) && (n -= 7, n = n < 0 ? 0 : n), new ao(i, n)) : null
                            }
                            if (0 === t) {
                                const t = this.mapDomToView(e);
                                if (t)
                                    return new ao(t, 0)
                            } else {
                                const i = e.childNodes[t - 1],
                                n = er(i) ? this.findCorrespondingViewText(i) : this.mapDomToView(i);
                                if (n && n.parent)
                                    return new ao(n.parent, n.index + 1)
                            }
                            return null
                        }
                        mapDomToView(e) {
                            return this.getHostViewElement(e) || this._domToViewMapping.get(e)
                        }
                        findCorrespondingViewText(e) {
                            if (sr(e))
                                return null;
                            const t = this.getHostViewElement(e);
                            if (t)
                                return t;
                            const i = e.previousSibling;
                            if (i) {
                                if (!this.isElement(i))
                                    return null;
                                const e = this.mapDomToView(i);
                                if (e) {
                                    return e.nextSibling instanceof un ? e.nextSibling : null
                                }
                            } else {
                                const t = this.mapDomToView(e.parentNode);
                                if (t) {
                                    const e = t.getChild(0);
                                    return e instanceof un ? e : null
                                }
                            }
                            return null
                        }
                        mapViewToDom(e) {
                            return this._viewToDomMapping.get(e)
                        }
                        findCorrespondingDomText(e) {
                            const t = e.previousSibling;
                            return t && this.mapViewToDom(t) ? this.mapViewToDom(t).nextSibling : !t && e.parent && this.mapViewToDom(e.parent) ? this.mapViewToDom(e.parent).childNodes[0] : null
                        }
                        focus(e) {
                            const t = this.mapViewToDom(e);
                            if (t && t.ownerDocument.activeElement !== t) {
                                const {
                                    scrollX: e,
                                    scrollY: i
                                } = _r.window,
                                n = [];
                                Pr(t, e => {
                                    const {
                                        scrollLeft: t,
                                        scrollTop: i
                                    } = e;
                                    n.push([t, i])
                                }),
                                t.focus(),
                                Pr(t, e => {
                                    const[t, i] = n.shift();
                                    e.scrollLeft = t,
                                    e.scrollTop = i
                                }),
                                _r.window.scrollTo(e, i)
                            }
                        }
                        isElement(e) {
                            return e && e.nodeType == Node.ELEMENT_NODE
                        }
                        isDocumentFragment(e) {
                            return e && e.nodeType == Node.DOCUMENT_FRAGMENT_NODE
                        }
                        isComment(e) {
                            return e && e.nodeType == Node.COMMENT_NODE
                        }
                        isBlockFiller(e) {
                            return "br" == this.blockFillerMode ? e.isEqualNode(xr) : !("BR" !== e.tagName || !Sr(e, this.blockElements) || 1 !== e.parentNode.childNodes.length) || (e.isEqualNode(Cr) || function (e, t) {
                                return e.isEqualNode(Ar) && Sr(e, t) && 1 === e.parentNode.childNodes.length
                            }
                                (e, this.blockElements))
                        }
                        isDomSelectionBackward(e) {
                            if (e.isCollapsed)
                                return !1;
                            const t = document.createRange();
                            t.setStart(e.anchorNode, e.anchorOffset),
                            t.setEnd(e.focusNode, e.focusOffset);
                            const i = t.collapsed;
                            return t.detach(),
                            i
                        }
                        getHostViewElement(e) {
                            const t = yr(e);
                            for (t.pop(); t.length; ) {
                                const e = t.pop(),
                                i = this._domToViewMapping.get(e);
                                if (i && (i.is("uiElement") || i.is("rawElement")))
                                    return i
                            }
                            return null
                        }
                        isDomSelectionCorrect(e) {
                            return this._isDomSelectionPositionCorrect(e.anchorNode, e.anchorOffset) && this._isDomSelectionPositionCorrect(e.focusNode, e.focusOffset)
                        }
                        registerRawContentMatcher(e) {
                            this._rawContentElementMatcher.add(e)
                        }
                        _getBlockFiller(e) {
                            switch (this.blockFillerMode) {
                            case "nbsp":
                                return tr(e);
                            case "markedNbsp":
                                return ir(e);
                            case "br":
                                return nr(e)
                            }
                        }
                        _isDomSelectionPositionCorrect(e, t) {
                            if (er(e) && rr(e) && t < 7)
                                return !1;
                            if (this.isElement(e) && rr(e.childNodes[t]))
                                return !1;
                            const i = this.mapDomToView(e);
                            return !i || !i.is("uiElement") && !i.is("rawElement")
                        }
                        _processDataFromViewText(e) {
                            let t = e.data;
                            if (e.getAncestors().some(e => this.preElements.includes(e.name)))
                                return t;
                            if (" " == t.charAt(0)) {
                                const i = this._getTouchingViewTextNode(e, !1);
                                !(i && this._nodeEndsWithSpace(i)) && i || (t = " " + t.substr(1))
                            }
                            if (" " == t.charAt(t.length - 1)) {
                                const i = this._getTouchingViewTextNode(e, !0);
                                " " != t.charAt(t.length - 2) && i && " " != i.data.charAt(0) || (t = t.substr(0, t.length - 1) + " ")
                            }
                            return t.replace(/ {2}/g, "  ")
                        }
                        _nodeEndsWithSpace(e) {
                            if (e.getAncestors().some(e => this.preElements.includes(e.name)))
                                return !1;
                            const t = this._processDataFromViewText(e);
                            return " " == t.charAt(t.length - 1)
                        }
                        _processDataFromDomText(e) {
                            let t = e.data;
                            if (Er(e, this.preElements))
                                return ar(e);
                            t = t.replace(/[ \n\t\r]{1,}/g, " ");
                            const i = this._getTouchingInlineDomNode(e, !1),
                            n = this._getTouchingInlineDomNode(e, !0),
                            o = this._checkShouldLeftTrimDomText(e, i),
                            r = this._checkShouldRightTrimDomText(e, n);
                            return o && (t = t.replace(/^ /, "")),
                            r && (t = t.replace(/ $/, "")),
                            t = ar(new Text(t)),
                            t = t.replace(/ \u00A0/g, "  "),
                            (/( |\u00A0)\u00A0$/.test(t) || !n || n.data && " " == n.data.charAt(0)) && (t = t.replace(/\u00A0$/, " ")),
                            o && (t = t.replace(/^\u00A0/, " ")),
                            t
                        }
                        _checkShouldLeftTrimDomText(e, t) {
                            return !t || (!!Yi(t) || !this._encounteredRawContentDomNodes.has(e.previousSibling) && /[^\S\u00A0]/.test(t.data.charAt(t.data.length - 1)))
                        }
                        _checkShouldRightTrimDomText(e, t) {
                            return !t && !rr(e)
                        }
                        _getTouchingViewTextNode(e, t) {
                            const i = new so({
                                startPosition: t ? ao._createAfter(e) : ao._createBefore(e),
                                direction: t ? "forward" : "backward"
                            });
                            for (const e of i) {
                                if (e.item.is("containerElement"))
                                    return null;
                                if (e.item.is("element", "br"))
                                    return null;
                                if (e.item.is("$textProxy"))
                                    return e.item
                            }
                            return null
                        }
                        _getTouchingInlineDomNode(e, t) {
                            if (!e.parentNode)
                                return null;
                            const i = t ? "nextNode" : "previousNode",
                            n = e.ownerDocument,
                            o = yr(e)[0],
                            r = n.createTreeWalker(o, NodeFilter.SHOW_TEXT | NodeFilter.SHOW_ELEMENT, {
                                acceptNode: e => er(e) || "BR" == e.tagName ? NodeFilter.FILTER_ACCEPT : NodeFilter.FILTER_SKIP
                            });
                            r.currentNode = e;
                            const s = r[i]();
                            if (null !== s) {
                                const t = function (e, t) {
                                    const i = yr(e),
                                    n = yr(t);
                                    let o = 0;
                                    for (; i[o] == n[o] && i[o]; )
                                        o++;
                                    return 0 === o ? null : i[o - 1]
                                }
                                (e, s);
                                if (t && !Er(e, this.blockElements, t) && !Er(s, this.blockElements, t))
                                    return s
                            }
                            return null
                        }
                    }
                    function Er(e, t, i) {
                        let n = yr(e);
                        return i && (n = n.slice(n.indexOf(i) + 1)),
                        n.some(e => e.tagName && t.includes(e.tagName.toLowerCase()))
                    }
                    function Pr(e, t) {
                        for (; e && e != _r.document; )
                            t(e), e = e.parentNode
                    }
                    function Sr(e, t) {
                        const i = e.parentNode;
                        return i && i.tagName && t.includes(i.tagName.toLowerCase())
                    }
                    function Mr(e) {
                        const t = Object.prototype.toString.apply(e);
                        return "[object Window]" == t || "[object global]" == t
                    }
                    var Ir = Le({}, u, {
                        listenTo(e, ...t) {
                            if (mr(e) || Mr(e)) {
                                const i = this._getProxyEmitter(e) || new Nr(e);
                                i.attach(...t),
                                e = i
                            }
                            u.listenTo.call(this, e, ...t)
                        },
                        stopListening(e, t, i) {
                            if (mr(e) || Mr(e)) {
                                const t = this._getProxyEmitter(e);
                                if (!t)
                                    return;
                                e = t
                            }
                            u.stopListening.call(this, e, t, i),
                            e instanceof Nr && e.detach(t)
                        },
                        _getProxyEmitter(e) {
                            return t = this,
                            i = Rr(e),
                            t[l] && t[l][i] ? t[l][i].emitter : null;
                            var t,
                            i
                        }
                    });
                    class Nr {
                        constructor(e) {
                            h(this, Rr(e)),
                            this._domNode = e
                        }
                    }
                    function Rr(e) {
                        return e["data-ck-expando"] || (e["data-ck-expando"] = s())
                    }
                    Le(Nr.prototype, u, {
                        attach(e, t, i = {}) {
                            if (this._domListeners && this._domListeners[e])
                                return;
                            const n = {
                                capture: !!i.useCapture,
                                passive: !!i.usePassive
                            },
                            o = this._createDomListener(e, n);
                            this._domNode.addEventListener(e, o, n),
                            this._domListeners || (this._domListeners = {}),
                            this._domListeners[e] = o
                        },
                        detach(e) {
                            let t;
                            !this._domListeners[e] || (t = this._events[e]) && t.callbacks.length || this._domListeners[e].removeListener()
                        },
                        _createDomListener(e, t) {
                            const i = t => {
                                this.fire(e, t)
                            };
                            return i.removeListener = () => {
                                this._domNode.removeEventListener(e, i, t),
                                delete this._domListeners[e]
                            },
                            i
                        }
                    });
                    class Or {
                        constructor(e) {
                            this.view = e,
                            this.document = e.document,
                            this.isEnabled = !1
                        }
                        enable() {
                            this.isEnabled = !0
                        }
                        disable() {
                            this.isEnabled = !1
                        }
                        destroy() {
                            this.disable(),
                            this.stopListening()
                        }
                        checkShouldIgnoreEventFromTarget(e) {
                            return e && 3 === e.nodeType && (e = e.parentNode),
                            !(!e || 1 !== e.nodeType) && e.matches("[data-cke-ignore-events], [data-cke-ignore-events] *")
                        }
                    }
                    Ke(Or, Ir);
                    var Dr = function (e) {
                        return this.__data__.set(e, "__lodash_hash_undefined__"),
                        this
                    };
                    var Lr = function (e) {
                        return this.__data__.has(e)
                    };
                    function zr(e) {
                        var t = -1,
                        i = null == e ? 0 : e.length;
                        for (this.__data__ = new Ft; ++t < i; )
                            this.add(e[t])
                    }
                    zr.prototype.add = zr.prototype.push = Dr,
                    zr.prototype.has = Lr;
                    var Vr = zr;
                    var jr = function (e, t) {
                        for (var i = -1, n = null == e ? 0 : e.length; ++i < n; )
                            if (t(e[i], i, e))
                                return !0;
                        return !1
                    };
                    var Br = function (e, t) {
                        return e.has(t)
                    };
                    var Fr = function (e, t, i, n, o, r) {
                        var s = 1 & i,
                        a = e.length,
                        c = t.length;
                        if (a != c && !(s && c > a))
                            return !1;
                        var l = r.get(e),
                        d = r.get(t);
                        if (l && d)
                            return l == t && d == e;
                        var u = -1,
                        h = !0,
                        f = 2 & i ? new Vr : void 0;
                        for (r.set(e, t), r.set(t, e); ++u < a; ) {
                            var g = e[u],
                            m = t[u];
                            if (n)
                                var p = s ? n(m, g, u, t, e, r) : n(g, m, u, e, t, r);
                            if (void 0 !== p) {
                                if (p)
                                    continue;
                                h = !1;
                                break
                            }
                            if (f) {
                                if (!jr(t, (function (e, t) {
                                            if (!Br(f, t) && (g === e || o(g, e, i, n, r)))
                                                return f.push(t)
                                            }))) {
                                        h = !1;
                                        break
                                    }
                            } else if (g !== m && !o(g, m, i, n, r)) {
                                h = !1;
                                break
                            }
                        }
                        return r.delete(e),
                        r.delete(t),
                        h
                    };
                    var Hr = function (e) {
                        var t = -1,
                        i = Array(e.size);
                        return e.forEach((function (e, n) {
                                i[++t] = [n, e]
                            })),
                        i
                    };
                    var Ur = function (e) {
                        var t = -1,
                        i = Array(e.size);
                        return e.forEach((function (e) {
                                i[++t] = e
                            })),
                        i
                    },
                    Wr = _ ? _.prototype : void 0,
                    qr = Wr ? Wr.valueOf : void 0;
                    var $r = function (e, t, i, n, o, r, s) {
                        switch (i) {
                        case "[object DataView]":
                            if (e.byteLength != t.byteLength || e.byteOffset != t.byteOffset)
                                return !1;
                            e = e.buffer,
                            t = t.buffer;
                        case "[object ArrayBuffer]":
                            return !(e.byteLength != t.byteLength || !r(new Ci(e), new Ci(t)));
                        case "[object Boolean]":
                        case "[object Date]":
                        case "[object Number]":
                            return G(+e, +t);
                        case "[object Error]":
                            return e.name == t.name && e.message == t.message;
                        case "[object RegExp]":
                        case "[object String]":
                            return e == t + "";
                        case "[object Map]":
                            var a = Hr;
                        case "[object Set]":
                            var c = 1 & n;
                            if (a || (a = Ur), e.size != t.size && !c)
                                return !1;
                            var l = s.get(e);
                            if (l)
                                return l == t;
                            n |= 2,
                            s.set(e, t);
                            var d = Fr(a(e), a(t), n, o, r, s);
                            return s.delete(e),
                            d;
                        case "[object Symbol]":
                            if (qr)
                                return qr.call(e) == qr.call(t)
                        }
                        return !1
                    },
                    Yr = Object.prototype.hasOwnProperty;
                    var Gr = function (e, t, i, n, o, r) {
                        var s = 1 & i,
                        a = di(e),
                        c = a.length;
                        if (c != di(t).length && !s)
                            return !1;
                        for (var l = c; l--; ) {
                            var d = a[l];
                            if (!(s ? d in t : Yr.call(t, d)))
                                return !1
                        }
                        var u = r.get(e),
                        h = r.get(t);
                        if (u && h)
                            return u == t && h == e;
                        var f = !0;
                        r.set(e, t),
                        r.set(t, e);
                        for (var g = s; ++l < c; ) {
                            var m = e[d = a[l]],
                            p = t[d];
                            if (n)
                                var b = s ? n(p, m, d, t, e, r) : n(m, p, d, e, t, r);
                            if (!(void 0 === b ? m === p || o(m, p, i, n, r) : b)) {
                                f = !1;
                                break
                            }
                            g || (g = "constructor" == d)
                        }
                        if (f && !g) {
                            var w = e.constructor,
                            k = t.constructor;
                            w == k || !("constructor" in e) || !("constructor" in t) || "function" == typeof w && w instanceof w && "function" == typeof k && k instanceof k || (f = !1)
                        }
                        return r.delete(e),
                        r.delete(t),
                        f
                    },
                    Kr = Object.prototype.hasOwnProperty;
                    var Qr = function (e, t, i, n, o, r) {
                        var s = _e(e),
                        a = _e(t),
                        c = s ? "[object Array]" : yi(e),
                        l = a ? "[object Array]" : yi(t),
                        d = "[object Object]" == (c = "[object Arguments]" == c ? "[object Object]" : c),
                        u = "[object Object]" == (l = "[object Arguments]" == l ? "[object Object]" : l),
                        h = c == l;
                        if (h && Object(ve.a)(e)) {
                            if (!Object(ve.a)(t))
                                return !1;
                            s = !0,
                            d = !1
                        }
                        if (h && !d)
                            return r || (r = new Wt), s || Ee(e) ? Fr(e, t, i, n, o, r) : $r(e, t, c, i, n, o, r);
                        if (!(1 & i)) {
                            var f = d && Kr.call(e, "__wrapped__"),
                            g = u && Kr.call(t, "__wrapped__");
                            if (f || g) {
                                var m = f ? e.value() : e,
                                p = g ? t.value() : t;
                                return r || (r = new Wt),
                                o(m, p, i, n, r)
                            }
                        }
                        return !!h && (r || (r = new Wt), Gr(e, t, i, n, o, r))
                    };
                    var Jr = function e(t, i, n, o, r) {
                        return t === i || (null == t || null == i || !ge(t) && !ge(i) ? t != t && i != i : Qr(t, i, n, o, e, r))
                    };
                    var Zr = function (e, t, i) {
                        var n = (i = "function" == typeof i ? i : void 0) ? i(e, t) : void 0;
                        return void 0 === n ? Jr(e, t, void 0, i) : !!n
                    };
                    class Xr extends Or {
                        constructor(e) {
                            super(e),
                            this._config = {
                                childList: !0,
                                characterData: !0,
                                characterDataOldValue: !0,
                                subtree: !0
                            },
                            this.domConverter = e.domConverter,
                            this.renderer = e._renderer,
                            this._domElements = [],
                            this._mutationObserver = new window.MutationObserver(this._onMutations.bind(this))
                        }
                        flush() {
                            this._onMutations(this._mutationObserver.takeRecords())
                        }
                        observe(e) {
                            this._domElements.push(e),
                            this.isEnabled && this._mutationObserver.observe(e, this._config)
                        }
                        enable() {
                            super.enable();
                            for (const e of this._domElements)
                                this._mutationObserver.observe(e, this._config)
                        }
                        disable() {
                            super.disable(),
                            this._mutationObserver.disconnect()
                        }
                        destroy() {
                            super.destroy(),
                            this._mutationObserver.disconnect()
                        }
                        _onMutations(e) {
                            if (0 === e.length)
                                return;
                            const t = this.domConverter,
                            i = new Map,
                            n = new Set;
                            for (const i of e)
                                if ("childList" === i.type) {
                                    const e = t.mapDomToView(i.target);
                                    if (e && (e.is("uiElement") || e.is("rawElement")))
                                        continue;
                                    e && !this._isBogusBrMutation(i) && n.add(e)
                                }
                            for (const o of e) {
                                const e = t.mapDomToView(o.target);
                                if ((!e || !e.is("uiElement") && !e.is("rawElement")) && "characterData" === o.type) {
                                    const e = t.findCorrespondingViewText(o.target);
                                    e && !n.has(e.parent) ? i.set(e, {
                                        type: "text",
                                        oldText: e.data,
                                        newText: ar(o.target),
                                        node: e
                                    }) : !e && rr(o.target) && n.add(t.mapDomToView(o.target.parentNode))
                                }
                            }
                            const o = [];
                            for (const e of i.values())
                                this.renderer.markToSync("text", e.node), o.push(e);
                            for (const e of n) {
                                const i = t.mapViewToDom(e),
                                n = Array.from(e.getChildren()),
                                r = Array.from(t.domChildrenToView(i, {
                                            withChildren: !1
                                        }));
                                Zr(n, r, a) || (this.renderer.markToSync("children", e), o.push({
                                        type: "children",
                                        oldChildren: n,
                                        newChildren: r,
                                        node: e
                                    }))
                            }
                            const r = e[0].target.ownerDocument.getSelection();
                            let s = null;
                            if (r && r.anchorNode) {
                                const e = t.domPositionToView(r.anchorNode, r.anchorOffset),
                                i = t.domPositionToView(r.focusNode, r.focusOffset);
                                e && i && (s = new ho(e), s.setFocus(i))
                            }
                            function a(e, t) {
                                if (!Array.isArray(e))
                                    return e === t || !(!e.is("$text") || !t.is("$text")) && e.data === t.data
                            }
                            o.length && (this.document.fire("mutations", o, s), this.view.forceRender())
                        }
                        _isBogusBrMutation(e) {
                            let t = null;
                            return null === e.nextSibling && 0 === e.removedNodes.length && 1 == e.addedNodes.length && (t = this.domConverter.domToView(e.addedNodes[0], {
                                    withChildren: !1
                                })),
                            t && t.is("element", "br")
                        }
                    }
                    class es {
                        constructor(e, t, i) {
                            this.view = e,
                            this.document = e.document,
                            this.domEvent = t,
                            this.domTarget = t.target,
                            Le(this, i)
                        }
                        get target() {
                            return this.view.domConverter.mapDomToView(this.domTarget)
                        }
                        preventDefault() {
                            this.domEvent.preventDefault()
                        }
                        stopPropagation() {
                            this.domEvent.stopPropagation()
                        }
                    }
                    class ts extends Or {
                        constructor(e) {
                            super(e),
                            this.useCapture = !1
                        }
                        observe(e) {
                            ("string" == typeof this.domEventType ? [this.domEventType] : this.domEventType).forEach(t => {
                                this.listenTo(e, t, (e, t) => {
                                    this.isEnabled && !this.checkShouldIgnoreEventFromTarget(t.target) && this.onDomEvent(t)
                                }, {
                                    useCapture: this.useCapture
                                })
                            })
                        }
                        fire(e, t, i) {
                            this.isEnabled && this.document.fire(e, new es(this.view, t, i))
                        }
                    }
                    class is extends ts {
                        constructor(e) {
                            super(e),
                            this.domEventType = ["keydown", "keyup"]
                        }
                        onDomEvent(e) {
                            this.fire(e.type, e, {
                                keyCode: e.keyCode,
                                altKey: e.altKey,
                                ctrlKey: e.ctrlKey,
                                shiftKey: e.shiftKey,
                                metaKey: e.metaKey,
                                get keystroke() {
                                    return Ro(this)
                                }
                            })
                        }
                    }
                    var ns = function () {
                        return k.a.Date.now()
                    },
                    os = /\s/;
                    var rs = function (e) {
                        for (var t = e.length; t-- && os.test(e.charAt(t)); );
                        return t
                    },
                    ss = /^\s+/;
                    var as = function (e) {
                        return e ? e.slice(0, rs(e) + 1).replace(ss, "") : e
                    },
                    cs = /^[-+]0x[0-9a-f]+$/i,
                    ls = /^0b[01]+$/i,
                    ds = /^0o[0-7]+$/i,
                    us = parseInt;
                    var hs = function (e) {
                        if ("number" == typeof e)
                            return e;
                        if (pn(e))
                            return NaN;
                        if (w(e)) {
                            var t = "function" == typeof e.valueOf ? e.valueOf() : e;
                            e = w(t) ? t + "" : t
                        }
                        if ("string" != typeof e)
                            return 0 === e ? e : +e;
                        e = as(e);
                        var i = ls.test(e);
                        return i || ds.test(e) ? us(e.slice(2), i ? 2 : 8) : cs.test(e) ? NaN : +e
                    },
                    fs = Math.max,
                    gs = Math.min;
                    var ms = function (e, t, i) {
                        var n,
                        o,
                        r,
                        s,
                        a,
                        c,
                        l = 0,
                        d = !1,
                        u = !1,
                        h = !0;
                        if ("function" != typeof e)
                            throw new TypeError("Expected a function");
                        function f(t) {
                            var i = n,
                            r = o;
                            return n = o = void 0,
                            l = t,
                            s = e.apply(r, i)
                        }
                        function g(e) {
                            return l = e,
                            a = setTimeout(p, t),
                            d ? f(e) : s
                        }
                        function m(e) {
                            var i = e - c;
                            return void 0 === c || i >= t || i < 0 || u && e - l >= r
                        }
                        function p() {
                            var e = ns();
                            if (m(e))
                                return b(e);
                            a = setTimeout(p, function (e) {
                                var i = t - (e - c);
                                return u ? gs(i, r - (e - l)) : i
                            }
                                    (e))
                        }
                        function b(e) {
                            return a = void 0,
                            h && n ? f(e) : (n = o = void 0, s)
                        }
                        function k() {
                            var e = ns(),
                            i = m(e);
                            if (n = arguments, o = this, c = e, i) {
                                if (void 0 === a)
                                    return g(c);
                                if (u)
                                    return clearTimeout(a), a = setTimeout(p, t), f(c)
                            }
                            return void 0 === a && (a = setTimeout(p, t)),
                            s
                        }
                        return t = hs(t) || 0,
                        w(i) && (d = !!i.leading, r = (u = "maxWait" in i) ? fs(hs(i.maxWait) || 0, t) : r, h = "trailing" in i ? !!i.trailing : h),
                        k.cancel = function () {
                            void 0 !== a && clearTimeout(a),
                            l = 0,
                            n = c = o = a = void 0
                        },
                        k.flush = function () {
                            return void 0 === a ? s : b(ns())
                        },
                        k
                    };
                    class ps extends Or {
                        constructor(e) {
                            super(e),
                            this._fireSelectionChangeDoneDebounced = ms(e => this.document.fire("selectionChangeDone", e), 200)
                        }
                        observe() {
                            const e = this.document;
                            e.on("arrowKey", (t, i) => {
                                e.selection.isFake && this.isEnabled && i.preventDefault()
                            }, {
                                context: "$capture"
                            }),
                            e.on("arrowKey", (t, i) => {
                                e.selection.isFake && this.isEnabled && this._handleSelectionMove(i.keyCode)
                            }, {
                                priority: "lowest"
                            })
                        }
                        destroy() {
                            super.destroy(),
                            this._fireSelectionChangeDoneDebounced.cancel()
                        }
                        _handleSelectionMove(e) {
                            const t = this.document.selection,
                            i = new ho(t.getRanges(), {
                                backward: t.isBackward,
                                fake: !1
                            });
                            e != Io.arrowleft && e != Io.arrowup || i.setTo(i.getFirstPosition()),
                            e != Io.arrowright && e != Io.arrowdown || i.setTo(i.getLastPosition());
                            const n = {
                                oldSelection: t,
                                newSelection: i,
                                domSelection: null
                            };
                            this.document.fire("selectionChange", n),
                            this._fireSelectionChangeDoneDebounced(n)
                        }
                    }
                    class bs extends Or {
                        constructor(e) {
                            super(e),
                            this.mutationObserver = e.getObserver(Xr),
                            this.selection = this.document.selection,
                            this.domConverter = e.domConverter,
                            this._documents = new WeakSet,
                            this._fireSelectionChangeDoneDebounced = ms(e => this.document.fire("selectionChangeDone", e), 200),
                            this._clearInfiniteLoopInterval = setInterval(() => this._clearInfiniteLoop(), 1e3),
                            this._loopbackCounter = 0
                        }
                        observe(e) {
                            const t = e.ownerDocument;
                            this._documents.has(t) || (this.listenTo(t, "selectionchange", (e, i) => {
                                    this._handleSelectionChange(i, t)
                                }), this._documents.add(t))
                        }
                        destroy() {
                            super.destroy(),
                            clearInterval(this._clearInfiniteLoopInterval),
                            this._fireSelectionChangeDoneDebounced.cancel()
                        }
                        _handleSelectionChange(e, t) {
                            if (!this.isEnabled)
                                return;
                            const i = t.defaultView.getSelection();
                            if (this.checkShouldIgnoreEventFromTarget(i.anchorNode))
                                return;
                            this.mutationObserver.flush();
                            const n = this.domConverter.domSelectionToView(i);
                            if (0 != n.rangeCount) {
                                if (this.view.hasDomSelection = !0, !(this.selection.isEqual(n) && this.domConverter.isDomSelectionCorrect(i) || ++this._loopbackCounter > 60))
                                    if (this.selection.isSimilar(n))
                                        this.view.forceRender();
                                    else {
                                        const e = {
                                            oldSelection: this.selection,
                                            newSelection: n,
                                            domSelection: i
                                        };
                                        this.document.fire("selectionChange", e),
                                        this._fireSelectionChangeDoneDebounced(e)
                                    }
                            } else
                                this.view.hasDomSelection = !1
                        }
                        _clearInfiniteLoop() {
                            this._loopbackCounter = 0
                        }
                    }
                    class ws extends ts {
                        constructor(e) {
                            super(e),
                            this.domEventType = ["focus", "blur"],
                            this.useCapture = !0;
                            const t = this.document;
                            t.on("focus", () => {
                                t.isFocused = !0,
                                this._renderTimeoutId = setTimeout(() => e.forceRender(), 50)
                            }),
                            t.on("blur", (i, n) => {
                                const o = t.selection.editableElement;
                                null !== o && o !== n.target || (t.isFocused = !1, e.forceRender())
                            })
                        }
                        onDomEvent(e) {
                            this.fire(e.type, e)
                        }
                        destroy() {
                            this._renderTimeoutId && clearTimeout(this._renderTimeoutId),
                            super.destroy()
                        }
                    }
                    class ks extends ts {
                        constructor(e) {
                            super(e),
                            this.domEventType = ["compositionstart", "compositionupdate", "compositionend"];
                            const t = this.document;
                            t.on("compositionstart", () => {
                                t.isComposing = !0
                            }),
                            t.on("compositionend", () => {
                                t.isComposing = !1
                            })
                        }
                        onDomEvent(e) {
                            this.fire(e.type, e)
                        }
                    }
                    class _s extends ts {
                        constructor(e) {
                            super(e),
                            this.domEventType = ["beforeinput"]
                        }
                        onDomEvent(e) {
                            this.fire(e.type, e)
                        }
                    }
                    class vs {
                        constructor() {
                            this._replacedElements = []
                        }
                        replace(e, t) {
                            this._replacedElements.push({
                                element: e,
                                newElement: t
                            }),
                            e.style.display = "none",
                            t && e.parentNode.insertBefore(t, e.nextSibling)
                        }
                        restore() {
                            this._replacedElements.forEach(({
                                    element: e,
                                    newElement: t
                                }) => {
                                e.style.display = "",
                                t && t.remove()
                            }),
                            this._replacedElements = []
                        }
                    }
                    var ys = function (e) {
                        return "string" == typeof e || !_e(e) && ge(e) && "[object String]" == S(e)
                    };
                    function xs(e) {
                        return "[object Range]" == Object.prototype.toString.apply(e)
                    }
                    function As(e) {
                        const t = e.ownerDocument.defaultView.getComputedStyle(e);
                        return {
                            top: parseInt(t.borderTopWidth, 10),
                            right: parseInt(t.borderRightWidth, 10),
                            bottom: parseInt(t.borderBottomWidth, 10),
                            left: parseInt(t.borderLeftWidth, 10)
                        }
                    }
                    const Cs = ["top", "right", "bottom", "left", "width", "height"];
                    class Ts {
                        constructor(e) {
                            const t = xs(e);
                            if (Object.defineProperty(this, "_source", {
                                    value: e._source || e,
                                    writable: !0,
                                    enumerable: !1
                                }), Yi(e) || t)
                                if (t) {
                                    const t = Ts.getDomRangeRects(e);
                                    Es(this, Ts.getBoundingRect(t))
                                } else
                                    Es(this, e.getBoundingClientRect());
                            else if (Mr(e)) {
                                const {
                                    innerWidth: t,
                                    innerHeight: i
                                } = e;
                                Es(this, {
                                    top: 0,
                                    right: t,
                                    bottom: i,
                                    left: 0,
                                    width: t,
                                    height: i
                                })
                            } else
                                Es(this, e)
                        }
                        clone() {
                            return new Ts(this)
                        }
                        moveTo(e, t) {
                            return this.top = t,
                            this.right = e + this.width,
                            this.bottom = t + this.height,
                            this.left = e,
                            this
                        }
                        moveBy(e, t) {
                            return this.top += t,
                            this.right += e,
                            this.left += e,
                            this.bottom += t,
                            this
                        }
                        getIntersection(e) {
                            const t = {
                                top: Math.max(this.top, e.top),
                                right: Math.min(this.right, e.right),
                                bottom: Math.min(this.bottom, e.bottom),
                                left: Math.max(this.left, e.left)
                            };
                            return t.width = t.right - t.left,
                            t.height = t.bottom - t.top,
                            t.width < 0 || t.height < 0 ? null : new Ts(t)
                        }
                        getIntersectionArea(e) {
                            const t = this.getIntersection(e);
                            return t ? t.getArea() : 0
                        }
                        getArea() {
                            return this.width * this.height
                        }
                        getVisible() {
                            const e = this._source;
                            let t = this.clone();
                            if (!Ps(e)) {
                                let i = e.parentNode || e.commonAncestorContainer;
                                for (; i && !Ps(i); ) {
                                    const e = new Ts(i),
                                    n = t.getIntersection(e);
                                    if (!n)
                                        return null;
                                    n.getArea() < t.getArea() && (t = n),
                                    i = i.parentNode
                                }
                            }
                            return t
                        }
                        isEqual(e) {
                            for (const t of Cs)
                                if (this[t] !== e[t])
                                    return !1;
                            return !0
                        }
                        contains(e) {
                            const t = this.getIntersection(e);
                            return !(!t || !t.isEqual(e))
                        }
                        excludeScrollbarsAndBorders() {
                            const e = this._source;
                            let t,
                            i,
                            n;
                            if (Mr(e))
                                t = e.innerWidth - e.document.documentElement.clientWidth, i = e.innerHeight - e.document.documentElement.clientHeight, n = e.getComputedStyle(e.document.documentElement).direction;
                            else {
                                const o = As(this._source);
                                t = e.offsetWidth - e.clientWidth - o.left - o.right,
                                i = e.offsetHeight - e.clientHeight - o.top - o.bottom,
                                n = e.ownerDocument.defaultView.getComputedStyle(e).direction,
                                this.left += o.left,
                                this.top += o.top,
                                this.right -= o.right,
                                this.bottom -= o.bottom,
                                this.width = this.right - this.left,
                                this.height = this.bottom - this.top
                            }
                            return this.width -= t,
                            "ltr" === n ? this.right -= t : this.left += t,
                            this.height -= i,
                            this.bottom -= i,
                            this
                        }
                        static getDomRangeRects(e) {
                            const t = [],
                            i = Array.from(e.getClientRects());
                            if (i.length)
                                for (const e of i)
                                    t.push(new Ts(e));
                            else {
                                let i = e.startContainer;
                                er(i) && (i = i.parentNode);
                                const n = new Ts(i.getBoundingClientRect());
                                n.right = n.left,
                                n.width = 0,
                                t.push(n)
                            }
                            return t
                        }
                        static getBoundingRect(e) {
                            const t = {
                                left: Number.POSITIVE_INFINITY,
                                top: Number.POSITIVE_INFINITY,
                                right: Number.NEGATIVE_INFINITY,
                                bottom: Number.NEGATIVE_INFINITY
                            };
                            let i = 0;
                            for (const n of e)
                                i++, t.left = Math.min(t.left, n.left), t.top = Math.min(t.top, n.top), t.right = Math.max(t.right, n.right), t.bottom = Math.max(t.bottom, n.bottom);
                            return 0 == i ? null : (t.width = t.right - t.left, t.height = t.bottom - t.top, new Ts(t))
                        }
                    }
                    function Es(e, t) {
                        for (const i of Cs)
                            e[i] = t[i]
                    }
                    function Ps(e) {
                        return !!Yi(e) && e === e.ownerDocument.body
                    }
                    class Ss {
                        constructor(e, t) {
                            Ss._observerInstance || Ss._createObserver(),
                            this._element = e,
                            this._callback = t,
                            Ss._addElementCallback(e, t),
                            Ss._observerInstance.observe(e)
                        }
                        destroy() {
                            Ss._deleteElementCallback(this._element, this._callback)
                        }
                        static _addElementCallback(e, t) {
                            Ss._elementCallbacks || (Ss._elementCallbacks = new Map);
                            let i = Ss._elementCallbacks.get(e);
                            i || (i = new Set, Ss._elementCallbacks.set(e, i)),
                            i.add(t)
                        }
                        static _deleteElementCallback(e, t) {
                            const i = Ss._getElementCallbacks(e);
                            i && (i.delete(t), i.size || (Ss._elementCallbacks.delete(e), Ss._observerInstance.unobserve(e))),
                            Ss._elementCallbacks && !Ss._elementCallbacks.size && (Ss._observerInstance = null, Ss._elementCallbacks = null)
                        }
                        static _getElementCallbacks(e) {
                            return Ss._elementCallbacks ? Ss._elementCallbacks.get(e) : null
                        }
                        static _createObserver() {
                            let e;
                            e = "function" == typeof _r.window.ResizeObserver ? _r.window.ResizeObserver : Ms,
                            Ss._observerInstance = new e(e => {
                                for (const t of e) {
                                    const e = Ss._getElementCallbacks(t.target);
                                    if (e)
                                        for (const i of e)
                                            i(t)
                                }
                            })
                        }
                    }
                    Ss._observerInstance = null,
                    Ss._elementCallbacks = null;
                    class Ms {
                        constructor(e) {
                            this._callback = e,
                            this._elements = new Set,
                            this._previousRects = new Map,
                            this._periodicCheckTimeout = null
                        }
                        observe(e) {
                            this._elements.add(e),
                            this._checkElementRectsAndExecuteCallback(),
                            1 === this._elements.size && this._startPeriodicCheck()
                        }
                        unobserve(e) {
                            this._elements.delete(e),
                            this._previousRects.delete(e),
                            this._elements.size || this._stopPeriodicCheck()
                        }
                        _startPeriodicCheck() {
                            const e = () => {
                                this._checkElementRectsAndExecuteCallback(),
                                this._periodicCheckTimeout = setTimeout(e, 100)
                            };
                            this.listenTo(_r.window, "resize", () => {
                                this._checkElementRectsAndExecuteCallback()
                            }),
                            this._periodicCheckTimeout = setTimeout(e, 100)
                        }
                        _stopPeriodicCheck() {
                            clearTimeout(this._periodicCheckTimeout),
                            this.stopListening(),
                            this._previousRects.clear()
                        }
                        _checkElementRectsAndExecuteCallback() {
                            const e = [];
                            for (const t of this._elements)
                                this._hasRectChanged(t) && e.push({
                                    target: t,
                                    contentRect: this._previousRects.get(t)
                                });
                            e.length && this._callback(e)
                        }
                        _hasRectChanged(e) {
                            if (!e.ownerDocument.body.contains(e))
                                return !1;
                            const t = new Ts(e),
                            i = this._previousRects.get(e),
                            n = !i || !i.isEqual(t);
                            return this._previousRects.set(e, t),
                            n
                        }
                    }
                    function Is(e) {
                        return t => t + e
                    }
                    function Ns(e) {
                        const t = e.next();
                        return t.done ? null : t.value
                    }
                    Ke(Ms, Ir);
                    class Rs {
                        constructor() {
                            this.set("isFocused", !1),
                            this.set("focusedElement", null),
                            this._elements = new Set,
                            this._nextEventLoopTimeout = null
                        }
                        add(e) {
                            if (this._elements.has(e))
                                throw new c.a("focustracker-add-element-already-exist", this);
                            this.listenTo(e, "focus", () => this._focus(e), {
                                useCapture: !0
                            }),
                            this.listenTo(e, "blur", () => this._blur(), {
                                useCapture: !0
                            }),
                            this._elements.add(e)
                        }
                        remove(e) {
                            e === this.focusedElement && this._blur(e),
                            this._elements.has(e) && (this.stopListening(e), this._elements.delete(e))
                        }
                        destroy() {
                            this.stopListening()
                        }
                        _focus(e) {
                            clearTimeout(this._nextEventLoopTimeout),
                            this.focusedElement = e,
                            this.isFocused = !0
                        }
                        _blur() {
                            clearTimeout(this._nextEventLoopTimeout),
                            this._nextEventLoopTimeout = setTimeout(() => {
                                this.focusedElement = null,
                                this.isFocused = !1
                            }, 0)
                        }
                    }
                    Ke(Rs, Ir),
                    Ke(Rs, Ue);
                    class Os {
                        constructor() {
                            this._listener = Object.create(Ir)
                        }
                        listenTo(e) {
                            this._listener.listenTo(e, "keydown", (e, t) => {
                                this._listener.fire("_keydown:" + Ro(t), t)
                            })
                        }
                        set(e, t, i = {}) {
                            const n = Oo(e),
                            o = i.priority;
                            this._listener.listenTo(this._listener, "_keydown:" + n, (e, i) => {
                                t(i, () => {
                                    i.preventDefault(),
                                    i.stopPropagation(),
                                    e.stop()
                                }),
                                e.return = !0
                            }, {
                                priority: o
                            })
                        }
                        press(e) {
                            return !!this._listener.fire("_keydown:" + Ro(e), e)
                        }
                        destroy() {
                            this._listener.stopListening()
                        }
                    }
                    class Ds extends Or {
                        constructor(e) {
                            super(e),
                            this.document.on("keydown", (e, t) => {
                                if (this.isEnabled && ((i = t.keyCode) == Io.arrowright || i == Io.arrowleft || i == Io.arrowup || i == Io.arrowdown)) {
                                    const i = new go(this.document, "arrowKey", this.document.selection.getFirstRange());
                                    this.document.fire(i, t),
                                    i.stop.called && e.stop()
                                }
                                var i
                            })
                        }
                        observe() {}
                    }
                    function Ls({
                        target: e,
                        viewportOffset: t = 0
                    }) {
                        const i = Us(e);
                        let n = i,
                        o = null;
                        for (; n; ) {
                            let r;
                            r = Ws(n == i ? e : o),
                            Vs(r, () => qs(e, n));
                            const s = qs(e, n);
                            if (zs(n, s, t), n.parent != n) {
                                if (o = n.frameElement, n = n.parent, !o)
                                    return
                            } else
                                n = null
                        }
                    }
                    function zs(e, t, i) {
                        const n = t.clone().moveBy(0, i),
                        o = t.clone().moveBy(0, -i),
                        r = new Ts(e).excludeScrollbarsAndBorders();
                        if (![o, n].every(e => r.contains(e))) {
                            let {
                                scrollX: s,
                                scrollY: a
                            } = e;
                            Bs(o, r) ? a -= r.top - t.top + i : js(n, r) && (a += t.bottom - r.bottom + i),
                            Fs(t, r) ? s -= r.left - t.left + i : Hs(t, r) && (s += t.right - r.right + i),
                            e.scrollTo(s, a)
                        }
                    }
                    function Vs(e, t) {
                        const i = Us(e);
                        let n,
                        o;
                        for (; e != i.document.body; )
                            o = t(), n = new Ts(e).excludeScrollbarsAndBorders(), n.contains(o) || (Bs(o, n) ? e.scrollTop -= n.top - o.top : js(o, n) && (e.scrollTop += o.bottom - n.bottom), Fs(o, n) ? e.scrollLeft -= n.left - o.left : Hs(o, n) && (e.scrollLeft += o.right - n.right)), e = e.parentNode
                    }
                    function js(e, t) {
                        return e.bottom > t.bottom
                    }
                    function Bs(e, t) {
                        return e.top < t.top
                    }
                    function Fs(e, t) {
                        return e.left < t.left
                    }
                    function Hs(e, t) {
                        return e.right > t.right
                    }
                    function Us(e) {
                        return xs(e) ? e.startContainer.ownerDocument.defaultView : e.ownerDocument.defaultView
                    }
                    function Ws(e) {
                        if (xs(e)) {
                            let t = e.commonAncestorContainer;
                            return er(t) && (t = t.parentNode),
                            t
                        }
                        return e.parentNode
                    }
                    function qs(e, t) {
                        const i = Us(e),
                        n = new Ts(e);
                        if (i === t)
                            return n; {
                            let e = i;
                            for (; e != t; ) {
                                const t = e.frameElement,
                                i = new Ts(t).excludeScrollbarsAndBorders();
                                n.moveBy(i.left, i.top),
                                e = e.parent
                            }
                        }
                        return n
                    }
                    Object.assign({}, {
                        scrollViewportToShowTarget: Ls,
                        scrollAncestorsToShowTarget: function (e) {
                            Vs(Ws(e), () => new Ts(e))
                        }
                    });
                    class $s {
                        constructor(e) {
                            this.document = new vo(e),
                            this.domConverter = new Tr(this.document),
                            this.domRoots = new Map,
                            this.set("isRenderingInProgress", !1),
                            this.set("hasDomSelection", !1),
                            this._renderer = new pr(this.domConverter, this.document.selection),
                            this._renderer.bind("isFocused").to(this.document),
                            this._initialDomRootAttributes = new WeakMap,
                            this._observers = new Map,
                            this._ongoingChange = !1,
                            this._postFixersInProgress = !1,
                            this._renderingDisabled = !1,
                            this._hasChangedSinceTheLastRendering = !1,
                            this._writer = new Wo(this.document),
                            this.addObserver(Xr),
                            this.addObserver(bs),
                            this.addObserver(ws),
                            this.addObserver(is),
                            this.addObserver(ps),
                            this.addObserver(ks),
                            this.addObserver(Ds),
                            Po.isAndroid && this.addObserver(_s),
                            this.document.on("arrowKey", cr, {
                                priority: "low"
                            }),
                            jo(this),
                            this.on("render", () => {
                                this._render(),
                                this.document.fire("layoutChanged"),
                                this._hasChangedSinceTheLastRendering = !1
                            }),
                            this.listenTo(this.document.selection, "change", () => {
                                this._hasChangedSinceTheLastRendering = !0
                            })
                        }
                        attachDomRoot(e, t = "main") {
                            const i = this.document.getRoot(t);
                            i._name = e.tagName.toLowerCase();
                            const n = {};
                            for (const {
                                name: t,
                                value: o
                            }
                                of Array.from(e.attributes))
                                n[t] = o, "class" === t ? this._writer.addClass(o.split(" "), i) : this._writer.setAttribute(t, o, i);
                            this._initialDomRootAttributes.set(e, n);
                            const o = () => {
                                this._writer.setAttribute("contenteditable", !i.isReadOnly, i),
                                i.isReadOnly ? this._writer.addClass("ck-read-only", i) : this._writer.removeClass("ck-read-only", i)
                            };
                            o(),
                            this.domRoots.set(t, e),
                            this.domConverter.bindElements(e, i),
                            this._renderer.markToSync("children", i),
                            this._renderer.markToSync("attributes", i),
                            this._renderer.domDocuments.add(e.ownerDocument),
                            i.on("change:children", (e, t) => this._renderer.markToSync("children", t)),
                            i.on("change:attributes", (e, t) => this._renderer.markToSync("attributes", t)),
                            i.on("change:text", (e, t) => this._renderer.markToSync("text", t)),
                            i.on("change:isReadOnly", () => this.change(o)),
                            i.on("change", () => {
                                this._hasChangedSinceTheLastRendering = !0
                            });
                            for (const i of this._observers.values())
                                i.observe(e, t)
                        }
                        detachDomRoot(e) {
                            const t = this.domRoots.get(e);
                            Array.from(t.attributes).forEach(({
                                    name: e
                                }) => t.removeAttribute(e));
                            const i = this._initialDomRootAttributes.get(t);
                            for (const e in i)
                                t.setAttribute(e, i[e]);
                            this.domRoots.delete(e),
                            this.domConverter.unbindDomElement(t)
                        }
                        getDomRoot(e = "main") {
                            return this.domRoots.get(e)
                        }
                        addObserver(e) {
                            let t = this._observers.get(e);
                            if (t)
                                return t;
                            t = new e(this),
                            this._observers.set(e, t);
                            for (const[e, i]of this.domRoots)
                                t.observe(i, e);
                            return t.enable(),
                            t
                        }
                        getObserver(e) {
                            return this._observers.get(e)
                        }
                        disableObservers() {
                            for (const e of this._observers.values())
                                e.disable()
                        }
                        enableObservers() {
                            for (const e of this._observers.values())
                                e.enable()
                        }
                        scrollToTheSelection() {
                            const e = this.document.selection.getFirstRange();
                            e && Ls({
                                target: this.domConverter.viewRangeToDom(e),
                                viewportOffset: 20
                            })
                        }
                        focus() {
                            if (!this.document.isFocused) {
                                const e = this.document.selection.editableElement;
                                e && (this.domConverter.focus(e), this.forceRender())
                            }
                        }
                        change(e) {
                            if (this.isRenderingInProgress || this._postFixersInProgress)
                                throw new c.a("cannot-change-view-tree", this);
                            try {
                                if (this._ongoingChange)
                                    return e(this._writer);
                                this._ongoingChange = !0;
                                const t = e(this._writer);
                                return this._ongoingChange = !1,
                                !this._renderingDisabled && this._hasChangedSinceTheLastRendering && (this._postFixersInProgress = !0, this.document._callPostFixers(this._writer), this._postFixersInProgress = !1, this.fire("render")),
                                t
                            } catch (e) {
                                c.a.rethrowUnexpectedError(e, this)
                            }
                        }
                        forceRender() {
                            this._hasChangedSinceTheLastRendering = !0,
                            this.change(() => {})
                        }
                        destroy() {
                            for (const e of this._observers.values())
                                e.destroy();
                            this.document.destroy(),
                            this.stopListening()
                        }
                        createPositionAt(e, t) {
                            return ao._createAt(e, t)
                        }
                        createPositionAfter(e) {
                            return ao._createAfter(e)
                        }
                        createPositionBefore(e) {
                            return ao._createBefore(e)
                        }
                        createRange(e, t) {
                            return new co(e, t)
                        }
                        createRangeOn(e) {
                            return co._createOn(e)
                        }
                        createRangeIn(e) {
                            return co._createIn(e)
                        }
                        createSelection(e, t, i) {
                            return new ho(e, t, i)
                        }
                        _disableRendering(e) {
                            this._renderingDisabled = e,
                            0 == e && this.change(() => {})
                        }
                        _render() {
                            this.isRenderingInProgress = !0,
                            this.disableObservers(),
                            this._renderer.render(),
                            this.enableObservers(),
                            this.isRenderingInProgress = !1
                        }
                    }
                    Ke($s, Ue);
                    class Ys {
                        constructor(e) {
                            this.parent = null,
                            this._attrs = fn(e)
                        }
                        get index() {
                            let e;
                            if (!this.parent)
                                return null;
                            if (null === (e = this.parent.getChildIndex(this)))
                                throw new c.a("model-node-not-found-in-parent", this);
                            return e
                        }
                        get startOffset() {
                            let e;
                            if (!this.parent)
                                return null;
                            if (null === (e = this.parent.getChildStartOffset(this)))
                                throw new c.a("model-node-not-found-in-parent", this);
                            return e
                        }
                        get offsetSize() {
                            return 1
                        }
                        get endOffset() {
                            return this.parent ? this.startOffset + this.offsetSize : null
                        }
                        get nextSibling() {
                            const e = this.index;
                            return null !== e && this.parent.getChild(e + 1) || null
                        }
                        get previousSibling() {
                            const e = this.index;
                            return null !== e && this.parent.getChild(e - 1) || null
                        }
                        get root() {
                            let e = this;
                            for (; e.parent; )
                                e = e.parent;
                            return e
                        }
                        isAttached() {
                            return this.root.is("rootElement")
                        }
                        getPath() {
                            const e = [];
                            let t = this;
                            for (; t.parent; )
                                e.unshift(t.startOffset), t = t.parent;
                            return e
                        }
                        getAncestors(e = {
                                includeSelf: !1,
                                parentFirst: !1
                            }) {
                            const t = [];
                            let i = e.includeSelf ? this : this.parent;
                            for (; i; )
                                t[e.parentFirst ? "push" : "unshift"](i), i = i.parent;
                            return t
                        }
                        getCommonAncestor(e, t = {}) {
                            const i = this.getAncestors(t),
                            n = e.getAncestors(t);
                            let o = 0;
                            for (; i[o] == n[o] && i[o]; )
                                o++;
                            return 0 === o ? null : i[o - 1]
                        }
                        isBefore(e) {
                            if (this == e)
                                return !1;
                            if (this.root !== e.root)
                                return !1;
                            const t = this.getPath(),
                            i = e.getPath(),
                            n = cn(t, i);
                            switch (n) {
                            case "prefix":
                                return !0;
                            case "extension":
                                return !1;
                            default:
                                return t[n] < i[n]
                            }
                        }
                        isAfter(e) {
                            return this != e && (this.root === e.root && !this.isBefore(e))
                        }
                        hasAttribute(e) {
                            return this._attrs.has(e)
                        }
                        getAttribute(e) {
                            return this._attrs.get(e)
                        }
                        getAttributes() {
                            return this._attrs.entries()
                        }
                        getAttributeKeys() {
                            return this._attrs.keys()
                        }
                        toJSON() {
                            const e = {};
                            return this._attrs.size && (e.attributes = Array.from(this._attrs).reduce((e, t) => (e[t[0]] = t[1], e), {})),
                            e
                        }
                        is(e) {
                            return "node" === e || "model:node" === e
                        }
                        _clone() {
                            return new Ys(this._attrs)
                        }
                        _remove() {
                            this.parent._removeChildren(this.index)
                        }
                        _setAttribute(e, t) {
                            this._attrs.set(e, t)
                        }
                        _setAttributesTo(e) {
                            this._attrs = fn(e)
                        }
                        _removeAttribute(e) {
                            return this._attrs.delete(e)
                        }
                        _clearAttributes() {
                            this._attrs.clear()
                        }
                    }
                    class Gs extends Ys {
                        constructor(e, t) {
                            super(t),
                            this._data = e || ""
                        }
                        get offsetSize() {
                            return this.data.length
                        }
                        get data() {
                            return this._data
                        }
                        is(e) {
                            return "$text" === e || "model:$text" === e || "text" === e || "model:text" === e || "node" === e || "model:node" === e
                        }
                        toJSON() {
                            const e = super.toJSON();
                            return e.data = this.data,
                            e
                        }
                        _clone() {
                            return new Gs(this.data, this.getAttributes())
                        }
                        static fromJSON(e) {
                            return new Gs(e.data, e.attributes)
                        }
                    }
                    class Ks {
                        constructor(e, t, i) {
                            if (this.textNode = e, t < 0 || t > e.offsetSize)
                                throw new c.a("model-textproxy-wrong-offsetintext", this);
                            if (i < 0 || t + i > e.offsetSize)
                                throw new c.a("model-textproxy-wrong-length", this);
                            this.data = e.data.substring(t, t + i),
                            this.offsetInText = t
                        }
                        get startOffset() {
                            return null !== this.textNode.startOffset ? this.textNode.startOffset + this.offsetInText : null
                        }
                        get offsetSize() {
                            return this.data.length
                        }
                        get endOffset() {
                            return null !== this.startOffset ? this.startOffset + this.offsetSize : null
                        }
                        get isPartial() {
                            return this.offsetSize !== this.textNode.offsetSize
                        }
                        get parent() {
                            return this.textNode.parent
                        }
                        get root() {
                            return this.textNode.root
                        }
                        is(e) {
                            return "$textProxy" === e || "model:$textProxy" === e || "textProxy" === e || "model:textProxy" === e
                        }
                        getPath() {
                            const e = this.textNode.getPath();
                            return e.length > 0 && (e[e.length - 1] += this.offsetInText),
                            e
                        }
                        getAncestors(e = {
                                includeSelf: !1,
                                parentFirst: !1
                            }) {
                            const t = [];
                            let i = e.includeSelf ? this : this.parent;
                            for (; i; )
                                t[e.parentFirst ? "push" : "unshift"](i), i = i.parent;
                            return t
                        }
                        hasAttribute(e) {
                            return this.textNode.hasAttribute(e)
                        }
                        getAttribute(e) {
                            return this.textNode.getAttribute(e)
                        }
                        getAttributes() {
                            return this.textNode.getAttributes()
                        }
                        getAttributeKeys() {
                            return this.textNode.getAttributeKeys()
                        }
                    }
                    class Qs {
                        constructor(e) {
                            this._nodes = [],
                            e && this._insertNodes(0, e)
                        }
                        [Symbol.iterator]() {
                            return this._nodes[Symbol.iterator]()
                        }
                        get length() {
                            return this._nodes.length
                        }
                        get maxOffset() {
                            return this._nodes.reduce((e, t) => e + t.offsetSize, 0)
                        }
                        getNode(e) {
                            return this._nodes[e] || null
                        }
                        getNodeIndex(e) {
                            const t = this._nodes.indexOf(e);
                            return -1 == t ? null : t
                        }
                        getNodeStartOffset(e) {
                            const t = this.getNodeIndex(e);
                            return null === t ? null : this._nodes.slice(0, t).reduce((e, t) => e + t.offsetSize, 0)
                        }
                        indexToOffset(e) {
                            if (e == this._nodes.length)
                                return this.maxOffset;
                            const t = this._nodes[e];
                            if (!t)
                                throw new c.a("model-nodelist-index-out-of-bounds", this);
                            return this.getNodeStartOffset(t)
                        }
                        offsetToIndex(e) {
                            let t = 0;
                            for (const i of this._nodes) {
                                if (e >= t && e < t + i.offsetSize)
                                    return this.getNodeIndex(i);
                                t += i.offsetSize
                            }
                            if (t != e)
                                throw new c.a("model-nodelist-offset-out-of-bounds", this, {
                                    offset: e,
                                    nodeList: this
                                });
                            return this.length
                        }
                        _insertNodes(e, t) {
                            for (const e of t)
                                if (!(e instanceof Ys))
                                    throw new c.a("model-nodelist-insertnodes-not-node", this);
                            this._nodes.splice(e, 0, ...t)
                        }
                        _removeNodes(e, t = 1) {
                            return this._nodes.splice(e, t)
                        }
                        toJSON() {
                            return this._nodes.map(e => e.toJSON())
                        }
                    }
                    class Js extends Ys {
                        constructor(e, t, i) {
                            super(t),
                            this.name = e,
                            this._children = new Qs,
                            i && this._insertChild(0, i)
                        }
                        get childCount() {
                            return this._children.length
                        }
                        get maxOffset() {
                            return this._children.maxOffset
                        }
                        get isEmpty() {
                            return 0 === this.childCount
                        }
                        is(e, t = null) {
                            return t ? t === this.name && ("element" === e || "model:element" === e) : "element" === e || "model:element" === e || "node" === e || "model:node" === e
                        }
                        getChild(e) {
                            return this._children.getNode(e)
                        }
                        getChildren() {
                            return this._children[Symbol.iterator]()
                        }
                        getChildIndex(e) {
                            return this._children.getNodeIndex(e)
                        }
                        getChildStartOffset(e) {
                            return this._children.getNodeStartOffset(e)
                        }
                        offsetToIndex(e) {
                            return this._children.offsetToIndex(e)
                        }
                        getNodeByPath(e) {
                            let t = this;
                            for (const i of e)
                                t = t.getChild(t.offsetToIndex(i));
                            return t
                        }
                        findAncestor(e, t = {
                                includeSelf: !1
                            }) {
                            let i = t.includeSelf ? this : this.parent;
                            for (; i; ) {
                                if (i.name === e)
                                    return i;
                                i = i.parent
                            }
                            return null
                        }
                        toJSON() {
                            const e = super.toJSON();
                            if (e.name = this.name, this._children.length > 0) {
                                e.children = [];
                                for (const t of this._children)
                                    e.children.push(t.toJSON())
                            }
                            return e
                        }
                        _clone(e = !1) {
                            const t = e ? Array.from(this._children).map(e => e._clone(!0)) : null;
                            return new Js(this.name, this.getAttributes(), t)
                        }
                        _appendChild(e) {
                            this._insertChild(this.childCount, e)
                        }
                        _insertChild(e, t) {
                            const i = function (e) {
                                if ("string" == typeof e)
                                    return [new Gs(e)];
                                Ji(e) || (e = [e]);
                                return Array.from(e).map(e => "string" == typeof e ? new Gs(e) : e instanceof Ks ? new Gs(e.data, e.getAttributes()) : e)
                            }
                            (t);
                            for (const e of i)
                                null !== e.parent && e._remove(), e.parent = this;
                            this._children._insertNodes(e, i)
                        }
                        _removeChildren(e, t = 1) {
                            const i = this._children._removeNodes(e, t);
                            for (const e of i)
                                e.parent = null;
                            return i
                        }
                        static fromJSON(e) {
                            let t = null;
                            if (e.children) {
                                t = [];
                                for (const i of e.children)
                                    i.name ? t.push(Js.fromJSON(i)) : t.push(Gs.fromJSON(i))
                            }
                            return new Js(e.name, e.attributes, t)
                        }
                    }
                    class Zs {
                        constructor(e = {}) {
                            if (!e.boundaries && !e.startPosition)
                                throw new c.a("model-tree-walker-no-start-position", null);
                            const t = e.direction || "forward";
                            if ("forward" != t && "backward" != t)
                                throw new c.a("model-tree-walker-unknown-direction", e, {
                                    direction: t
                                });
                            this.direction = t,
                            this.boundaries = e.boundaries || null,
                            e.startPosition ? this.position = e.startPosition.clone() : this.position = ea._createAt(this.boundaries["backward" == this.direction ? "end" : "start"]),
                            this.position.stickiness = "toNone",
                            this.singleCharacters = !!e.singleCharacters,
                            this.shallow = !!e.shallow,
                            this.ignoreElementEnd = !!e.ignoreElementEnd,
                            this._boundaryStartParent = this.boundaries ? this.boundaries.start.parent : null,
                            this._boundaryEndParent = this.boundaries ? this.boundaries.end.parent : null,
                            this._visitedParent = this.position.parent
                        }
                        [Symbol.iterator]() {
                            return this
                        }
                        skip(e) {
                            let t,
                            i,
                            n,
                            o;
                            do {
                                n = this.position,
                                o = this._visitedParent,
                                ({
                                    done: t,
                                    value: i
                                } = this.next())
                            } while (!t && e(i));
                            t || (this.position = n, this._visitedParent = o)
                        }
                        next() {
                            return "forward" == this.direction ? this._next() : this._previous()
                        }
                        _next() {
                            const e = this.position,
                            t = this.position.clone(),
                            i = this._visitedParent;
                            if (null === i.parent && t.offset === i.maxOffset)
                                return {
                                    done: !0
                                };
                            if (i === this._boundaryEndParent && t.offset == this.boundaries.end.offset)
                                return {
                                    done: !0
                                };
                            const n = t.parent,
                            o = ta(t, n),
                            r = o || ia(t, n, o);
                            if (r instanceof Js)
                                return this.shallow ? t.offset++ : (t.path.push(0), this._visitedParent = r), this.position = t, Xs("elementStart", r, e, t, 1);
                            if (r instanceof Gs) {
                                let n;
                                if (this.singleCharacters)
                                    n = 1;
                                else {
                                    let e = r.endOffset;
                                    this._boundaryEndParent == i && this.boundaries.end.offset < e && (e = this.boundaries.end.offset),
                                    n = e - t.offset
                                }
                                const o = t.offset - r.startOffset,
                                s = new Ks(r, o, n);
                                return t.offset += n,
                                this.position = t,
                                Xs("text", s, e, t, n)
                            }
                            return t.path.pop(),
                            t.offset++,
                            this.position = t,
                            this._visitedParent = i.parent,
                            this.ignoreElementEnd ? this._next() : Xs("elementEnd", i, e, t)
                        }
                        _previous() {
                            const e = this.position,
                            t = this.position.clone(),
                            i = this._visitedParent;
                            if (null === i.parent && 0 === t.offset)
                                return {
                                    done: !0
                                };
                            if (i == this._boundaryStartParent && t.offset == this.boundaries.start.offset)
                                return {
                                    done: !0
                                };
                            const n = t.parent,
                            o = ta(t, n),
                            r = o || na(t, n, o);
                            if (r instanceof Js)
                                return t.offset--, this.shallow ? (this.position = t, Xs("elementStart", r, e, t, 1)) : (t.path.push(r.maxOffset), this.position = t, this._visitedParent = r, this.ignoreElementEnd ? this._previous() : Xs("elementEnd", r, e, t));
                            if (r instanceof Gs) {
                                let n;
                                if (this.singleCharacters)
                                    n = 1;
                                else {
                                    let e = r.startOffset;
                                    this._boundaryStartParent == i && this.boundaries.start.offset > e && (e = this.boundaries.start.offset),
                                    n = t.offset - e
                                }
                                const o = t.offset - r.startOffset,
                                s = new Ks(r, o - n, n);
                                return t.offset -= n,
                                this.position = t,
                                Xs("text", s, e, t, n)
                            }
                            return t.path.pop(),
                            this.position = t,
                            this._visitedParent = i.parent,
                            Xs("elementStart", i, e, t, 1)
                        }
                    }
                    function Xs(e, t, i, n, o) {
                        return {
                            done: !1,
                            value: {
                                type: e,
                                item: t,
                                previousPosition: i,
                                nextPosition: n,
                                length: o
                            }
                        }
                    }
                    class ea {
                        constructor(e, t, i = "toNone") {
                            if (!e.is("element") && !e.is("documentFragment"))
                                throw new c.a("model-position-root-invalid", e);
                            if (!(t instanceof Array) || 0 === t.length)
                                throw new c.a("model-position-path-incorrect-format", e, {
                                    path: t
                                });
                            e.is("rootElement") ? t = t.slice() : (t = [...e.getPath(), ...t], e = e.root),
                            this.root = e,
                            this.path = t,
                            this.stickiness = i
                        }
                        get offset() {
                            return this.path[this.path.length - 1]
                        }
                        set offset(e) {
                            this.path[this.path.length - 1] = e
                        }
                        get parent() {
                            let e = this.root;
                            for (let t = 0; t < this.path.length - 1; t++)
                                if (e = e.getChild(e.offsetToIndex(this.path[t])), !e)
                                    throw new c.a("model-position-path-incorrect", this, {
                                        position: this
                                    });
                            if (e.is("$text"))
                                throw new c.a("model-position-path-incorrect", this, {
                                    position: this
                                });
                            return e
                        }
                        get index() {
                            return this.parent.offsetToIndex(this.offset)
                        }
                        get textNode() {
                            return ta(this, this.parent)
                        }
                        get nodeAfter() {
                            const e = this.parent;
                            return ia(this, e, ta(this, e))
                        }
                        get nodeBefore() {
                            const e = this.parent;
                            return na(this, e, ta(this, e))
                        }
                        get isAtStart() {
                            return 0 === this.offset
                        }
                        get isAtEnd() {
                            return this.offset == this.parent.maxOffset
                        }
                        compareWith(e) {
                            if (this.root != e.root)
                                return "different";
                            const t = cn(this.path, e.path);
                            switch (t) {
                            case "same":
                                return "same";
                            case "prefix":
                                return "before";
                            case "extension":
                                return "after";
                            default:
                                return this.path[t] < e.path[t] ? "before" : "after"
                            }
                        }
                        getLastMatchingPosition(e, t = {}) {
                            t.startPosition = this;
                            const i = new Zs(t);
                            return i.skip(e),
                            i.position
                        }
                        getParentPath() {
                            return this.path.slice(0, -1)
                        }
                        getAncestors() {
                            const e = this.parent;
                            return e.is("documentFragment") ? [e] : e.getAncestors({
                                includeSelf: !0
                            })
                        }
                        findAncestor(e) {
                            const t = this.parent;
                            return t.is("element") ? t.findAncestor(e, {
                                includeSelf: !0
                            }) : null
                        }
                        getCommonPath(e) {
                            if (this.root != e.root)
                                return [];
                            const t = cn(this.path, e.path),
                            i = "string" == typeof t ? Math.min(this.path.length, e.path.length) : t;
                            return this.path.slice(0, i)
                        }
                        getCommonAncestor(e) {
                            const t = this.getAncestors(),
                            i = e.getAncestors();
                            let n = 0;
                            for (; t[n] == i[n] && t[n]; )
                                n++;
                            return 0 === n ? null : t[n - 1]
                        }
                        getShiftedBy(e) {
                            const t = this.clone(),
                            i = t.offset + e;
                            return t.offset = i < 0 ? 0 : i,
                            t
                        }
                        isAfter(e) {
                            return "after" == this.compareWith(e)
                        }
                        isBefore(e) {
                            return "before" == this.compareWith(e)
                        }
                        isEqual(e) {
                            return "same" == this.compareWith(e)
                        }
                        isTouching(e) {
                            let t = null,
                            i = null;
                            switch (this.compareWith(e)) {
                            case "same":
                                return !0;
                            case "before":
                                t = ea._createAt(this),
                                i = ea._createAt(e);
                                break;
                            case "after":
                                t = ea._createAt(e),
                                i = ea._createAt(this);
                                break;
                            default:
                                return !1
                            }
                            let n = t.parent;
                            for (; t.path.length + i.path.length; ) {
                                if (t.isEqual(i))
                                    return !0;
                                if (t.path.length > i.path.length) {
                                    if (t.offset !== n.maxOffset)
                                        return !1;
                                    t.path = t.path.slice(0, -1),
                                    n = n.parent,
                                    t.offset++
                                } else {
                                    if (0 !== i.offset)
                                        return !1;
                                    i.path = i.path.slice(0, -1)
                                }
                            }
                        }
                        is(e) {
                            return "position" === e || "model:position" === e
                        }
                        hasSameParentAs(e) {
                            if (this.root !== e.root)
                                return !1;
                            return "same" == cn(this.getParentPath(), e.getParentPath())
                        }
                        getTransformedByOperation(e) {
                            let t;
                            switch (e.type) {
                            case "insert":
                                t = this._getTransformedByInsertOperation(e);
                                break;
                            case "move":
                            case "remove":
                            case "reinsert":
                                t = this._getTransformedByMoveOperation(e);
                                break;
                            case "split":
                                t = this._getTransformedBySplitOperation(e);
                                break;
                            case "merge":
                                t = this._getTransformedByMergeOperation(e);
                                break;
                            default:
                                t = ea._createAt(this)
                            }
                            return t
                        }
                        _getTransformedByInsertOperation(e) {
                            return this._getTransformedByInsertion(e.position, e.howMany)
                        }
                        _getTransformedByMoveOperation(e) {
                            return this._getTransformedByMove(e.sourcePosition, e.targetPosition, e.howMany)
                        }
                        _getTransformedBySplitOperation(e) {
                            const t = e.movedRange;
                            return t.containsPosition(this) || t.start.isEqual(this) && "toNext" == this.stickiness ? this._getCombined(e.splitPosition, e.moveTargetPosition) : e.graveyardPosition ? this._getTransformedByMove(e.graveyardPosition, e.insertionPosition, 1) : this._getTransformedByInsertion(e.insertionPosition, 1)
                        }
                        _getTransformedByMergeOperation(e) {
                            const t = e.movedRange;
                            let i;
                            return t.containsPosition(this) || t.start.isEqual(this) ? (i = this._getCombined(e.sourcePosition, e.targetPosition), e.sourcePosition.isBefore(e.targetPosition) && (i = i._getTransformedByDeletion(e.deletionPosition, 1))) : i = this.isEqual(e.deletionPosition) ? ea._createAt(e.deletionPosition) : this._getTransformedByMove(e.deletionPosition, e.graveyardPosition, 1),
                            i
                        }
                        _getTransformedByDeletion(e, t) {
                            const i = ea._createAt(this);
                            if (this.root != e.root)
                                return i;
                            if ("same" == cn(e.getParentPath(), this.getParentPath())) {
                                if (e.offset < this.offset) {
                                    if (e.offset + t > this.offset)
                                        return null;
                                    i.offset -= t
                                }
                            } else if ("prefix" == cn(e.getParentPath(), this.getParentPath())) {
                                const n = e.path.length - 1;
                                if (e.offset <= this.path[n]) {
                                    if (e.offset + t > this.path[n])
                                        return null;
                                    i.path[n] -= t
                                }
                            }
                            return i
                        }
                        _getTransformedByInsertion(e, t) {
                            const i = ea._createAt(this);
                            if (this.root != e.root)
                                return i;
                            if ("same" == cn(e.getParentPath(), this.getParentPath()))
                                (e.offset < this.offset || e.offset == this.offset && "toPrevious" != this.stickiness) && (i.offset += t);
                            else if ("prefix" == cn(e.getParentPath(), this.getParentPath())) {
                                const n = e.path.length - 1;
                                e.offset <= this.path[n] && (i.path[n] += t)
                            }
                            return i
                        }
                        _getTransformedByMove(e, t, i) {
                            if (t = t._getTransformedByDeletion(e, i), e.isEqual(t))
                                return ea._createAt(this);
                            const n = this._getTransformedByDeletion(e, i);
                            return null === n || e.isEqual(this) && "toNext" == this.stickiness || e.getShiftedBy(i).isEqual(this) && "toPrevious" == this.stickiness ? this._getCombined(e, t) : n._getTransformedByInsertion(t, i)
                        }
                        _getCombined(e, t) {
                            const i = e.path.length - 1,
                            n = ea._createAt(t);
                            return n.stickiness = this.stickiness,
                            n.offset = n.offset + this.path[i] - e.offset,
                            n.path = [...n.path, ...this.path.slice(i + 1)],
                            n
                        }
                        toJSON() {
                            return {
                                root: this.root.toJSON(),
                                path: Array.from(this.path),
                                stickiness: this.stickiness
                            }
                        }
                        clone() {
                            return new this.constructor(this.root, this.path, this.stickiness)
                        }
                        static _createAt(e, t, i = "toNone") {
                            if (e instanceof ea)
                                return new ea(e.root, e.path, e.stickiness); {
                                const n = e;
                                if ("end" == t)
                                    t = n.maxOffset;
                                else {
                                    if ("before" == t)
                                        return this._createBefore(n, i);
                                    if ("after" == t)
                                        return this._createAfter(n, i);
                                    if (0 !== t && !t)
                                        throw new c.a("model-createpositionat-offset-required", [this, e])
                                }
                                if (!n.is("element") && !n.is("documentFragment"))
                                    throw new c.a("model-position-parent-incorrect", [this, e]);
                                const o = n.getPath();
                                return o.push(t),
                                new this(n.root, o, i)
                            }
                        }
                        static _createAfter(e, t) {
                            if (!e.parent)
                                throw new c.a("model-position-after-root", [this, e], {
                                    root: e
                                });
                            return this._createAt(e.parent, e.endOffset, t)
                        }
                        static _createBefore(e, t) {
                            if (!e.parent)
                                throw new c.a("model-position-before-root", e, {
                                    root: e
                                });
                            return this._createAt(e.parent, e.startOffset, t)
                        }
                        static fromJSON(e, t) {
                            if ("$graveyard" === e.root) {
                                const i = new ea(t.graveyard, e.path);
                                return i.stickiness = e.stickiness,
                                i
                            }
                            if (!t.getRoot(e.root))
                                throw new c.a("model-position-fromjson-no-root", t, {
                                    rootName: e.root
                                });
                            return new ea(t.getRoot(e.root), e.path, e.stickiness)
                        }
                    }
                    function ta(e, t) {
                        const i = t.getChild(t.offsetToIndex(e.offset));
                        return i && i.is("$text") && i.startOffset < e.offset ? i : null
                    }
                    function ia(e, t, i) {
                        return null !== i ? null : t.getChild(t.offsetToIndex(e.offset))
                    }
                    function na(e, t, i) {
                        return null !== i ? null : t.getChild(t.offsetToIndex(e.offset) - 1)
                    }
                    class oa {
                        constructor(e, t = null) {
                            this.start = ea._createAt(e),
                            this.end = t ? ea._createAt(t) : ea._createAt(e),
                            this.start.stickiness = this.isCollapsed ? "toNone" : "toNext",
                            this.end.stickiness = this.isCollapsed ? "toNone" : "toPrevious"
                        }
                         * [Symbol.iterator]() {
                            yield * new Zs({
                                boundaries: this,
                                ignoreElementEnd: !0
                            })
                        }
                        get isCollapsed() {
                            return this.start.isEqual(this.end)
                        }
                        get isFlat() {
                            return "same" == cn(this.start.getParentPath(), this.end.getParentPath())
                        }
                        get root() {
                            return this.start.root
                        }
                        containsPosition(e) {
                            return e.isAfter(this.start) && e.isBefore(this.end)
                        }
                        containsRange(e, t = !1) {
                            e.isCollapsed && (t = !1);
                            const i = this.containsPosition(e.start) || t && this.start.isEqual(e.start),
                            n = this.containsPosition(e.end) || t && this.end.isEqual(e.end);
                            return i && n
                        }
                        containsItem(e) {
                            const t = ea._createBefore(e);
                            return this.containsPosition(t) || this.start.isEqual(t)
                        }
                        is(e) {
                            return "range" === e || "model:range" === e
                        }
                        isEqual(e) {
                            return this.start.isEqual(e.start) && this.end.isEqual(e.end)
                        }
                        isIntersecting(e) {
                            return this.start.isBefore(e.end) && this.end.isAfter(e.start)
                        }
                        getDifference(e) {
                            const t = [];
                            return this.isIntersecting(e) ? (this.containsPosition(e.start) && t.push(new oa(this.start, e.start)), this.containsPosition(e.end) && t.push(new oa(e.end, this.end))) : t.push(new oa(this.start, this.end)),
                            t
                        }
                        getIntersection(e) {
                            if (this.isIntersecting(e)) {
                                let t = this.start,
                                i = this.end;
                                return this.containsPosition(e.start) && (t = e.start),
                                this.containsPosition(e.end) && (i = e.end),
                                new oa(t, i)
                            }
                            return null
                        }
                        getJoined(e, t = !1) {
                            let i = this.isIntersecting(e);
                            if (i || (i = this.start.isBefore(e.start) ? t ? this.end.isTouching(e.start) : this.end.isEqual(e.start) : t ? e.end.isTouching(this.start) : e.end.isEqual(this.start)), !i)
                                return null;
                            let n = this.start,
                            o = this.end;
                            return e.start.isBefore(n) && (n = e.start),
                            e.end.isAfter(o) && (o = e.end),
                            new oa(n, o)
                        }
                        getMinimalFlatRanges() {
                            const e = [],
                            t = this.start.getCommonPath(this.end).length,
                            i = ea._createAt(this.start);
                            let n = i.parent;
                            for (; i.path.length > t + 1; ) {
                                const t = n.maxOffset - i.offset;
                                0 !== t && e.push(new oa(i, i.getShiftedBy(t))),
                                i.path = i.path.slice(0, -1),
                                i.offset++,
                                n = n.parent
                            }
                            for (; i.path.length <= this.end.path.length; ) {
                                const t = this.end.path[i.path.length - 1],
                                n = t - i.offset;
                                0 !== n && e.push(new oa(i, i.getShiftedBy(n))),
                                i.offset = t,
                                i.path.push(0)
                            }
                            return e
                        }
                        getWalker(e = {}) {
                            return e.boundaries = this,
                            new Zs(e)
                        }
                         * getItems(e = {}) {
                            e.boundaries = this,
                            e.ignoreElementEnd = !0;
                            const t = new Zs(e);
                            for (const e of t)
                                yield e.item
                        }
                         * getPositions(e = {}) {
                            e.boundaries = this;
                            const t = new Zs(e);
                            yield t.position;
                            for (const e of t)
                                yield e.nextPosition
                        }
                        getTransformedByOperation(e) {
                            switch (e.type) {
                            case "insert":
                                return this._getTransformedByInsertOperation(e);
                            case "move":
                            case "remove":
                            case "reinsert":
                                return this._getTransformedByMoveOperation(e);
                            case "split":
                                return [this._getTransformedBySplitOperation(e)];
                            case "merge":
                                return [this._getTransformedByMergeOperation(e)]
                            }
                            return [new oa(this.start, this.end)]
                        }
                        getTransformedByOperations(e) {
                            const t = [new oa(this.start, this.end)];
                            for (const i of e)
                                for (let e = 0; e < t.length; e++) {
                                    const n = t[e].getTransformedByOperation(i);
                                    t.splice(e, 1, ...n),
                                    e += n.length - 1
                                }
                            for (let e = 0; e < t.length; e++) {
                                const i = t[e];
                                for (let n = e + 1; n < t.length; n++) {
                                    const e = t[n];
                                    (i.containsRange(e) || e.containsRange(i) || i.isEqual(e)) && t.splice(n, 1)
                                }
                            }
                            return t
                        }
                        getCommonAncestor() {
                            return this.start.getCommonAncestor(this.end)
                        }
                        getContainedElement() {
                            if (this.isCollapsed)
                                return null;
                            const e = this.start.nodeAfter,
                            t = this.end.nodeBefore;
                            return e && e.is("element") && e === t ? e : null
                        }
                        toJSON() {
                            return {
                                start: this.start.toJSON(),
                                end: this.end.toJSON()
                            }
                        }
                        clone() {
                            return new this.constructor(this.start, this.end)
                        }
                        _getTransformedByInsertOperation(e, t = !1) {
                            return this._getTransformedByInsertion(e.position, e.howMany, t)
                        }
                        _getTransformedByMoveOperation(e, t = !1) {
                            const i = e.sourcePosition,
                            n = e.howMany,
                            o = e.targetPosition;
                            return this._getTransformedByMove(i, o, n, t)
                        }
                        _getTransformedBySplitOperation(e) {
                            const t = this.start._getTransformedBySplitOperation(e);
                            let i = this.end._getTransformedBySplitOperation(e);
                            return this.end.isEqual(e.insertionPosition) && (i = this.end.getShiftedBy(1)),
                            t.root != i.root && (i = this.end.getShiftedBy(-1)),
                            new oa(t, i)
                        }
                        _getTransformedByMergeOperation(e) {
                            if (this.start.isEqual(e.targetPosition) && this.end.isEqual(e.deletionPosition))
                                return new oa(this.start);
                            let t = this.start._getTransformedByMergeOperation(e),
                            i = this.end._getTransformedByMergeOperation(e);
                            return t.root != i.root && (i = this.end.getShiftedBy(-1)),
                            t.isAfter(i) ? (e.sourcePosition.isBefore(e.targetPosition) ? (t = ea._createAt(i), t.offset = 0) : (e.deletionPosition.isEqual(t) || (i = e.deletionPosition), t = e.targetPosition), new oa(t, i)) : new oa(t, i)
                        }
                        _getTransformedByInsertion(e, t, i = !1) {
                            if (i && this.containsPosition(e))
                                return [new oa(this.start, e), new oa(e.getShiftedBy(t), this.end._getTransformedByInsertion(e, t))]; {
                                const i = new oa(this.start, this.end);
                                return i.start = i.start._getTransformedByInsertion(e, t),
                                i.end = i.end._getTransformedByInsertion(e, t),
                                [i]
                            }
                        }
                        _getTransformedByMove(e, t, i, n = !1) {
                            if (this.isCollapsed) {
                                const n = this.start._getTransformedByMove(e, t, i);
                                return [new oa(n)]
                            }
                            const o = oa._createFromPositionAndShift(e, i),
                            r = t._getTransformedByDeletion(e, i);
                            if (this.containsPosition(t) && !n && (o.containsPosition(this.start) || o.containsPosition(this.end))) {
                                const n = this.start._getTransformedByMove(e, t, i),
                                o = this.end._getTransformedByMove(e, t, i);
                                return [new oa(n, o)]
                            }
                            let s;
                            const a = this.getDifference(o);
                            let c = null;
                            const l = this.getIntersection(o);
                            if (1 == a.length ? c = new oa(a[0].start._getTransformedByDeletion(e, i), a[0].end._getTransformedByDeletion(e, i)) : 2 == a.length && (c = new oa(this.start, this.end._getTransformedByDeletion(e, i))), s = c ? c._getTransformedByInsertion(r, i, null !== l || n) : [], l) {
                                const e = new oa(l.start._getCombined(o.start, r), l.end._getCombined(o.start, r));
                                2 == s.length ? s.splice(1, 0, e) : s.push(e)
                            }
                            return s
                        }
                        _getTransformedByDeletion(e, t) {
                            let i = this.start._getTransformedByDeletion(e, t),
                            n = this.end._getTransformedByDeletion(e, t);
                            return null == i && null == n ? null : (null == i && (i = e), null == n && (n = e), new oa(i, n))
                        }
                        static _createFromPositionAndShift(e, t) {
                            const i = e,
                            n = e.getShiftedBy(t);
                            return t > 0 ? new this(i, n) : new this(n, i)
                        }
                        static _createIn(e) {
                            return new this(ea._createAt(e, 0), ea._createAt(e, e.maxOffset))
                        }
                        static _createOn(e) {
                            return this._createFromPositionAndShift(ea._createBefore(e), e.offsetSize)
                        }
                        static _createFromRanges(e) {
                            if (0 === e.length)
                                throw new c.a("range-create-from-ranges-empty-array", null);
                            if (1 == e.length)
                                return e[0].clone();
                            const t = e[0];
                            e.sort((e, t) => e.start.isAfter(t.start) ? 1 : -1);
                            const i = e.indexOf(t),
                            n = new this(t.start, t.end);
                            if (i > 0)
                                for (let t = i - 1; e[t].end.isEqual(n.start); t++)
                                    n.start = ea._createAt(e[t].start);
                            for (let t = i + 1; t < e.length && e[t].start.isEqual(n.end); t++)
                                n.end = ea._createAt(e[t].end);
                            return n
                        }
                        static fromJSON(e, t) {
                            return new this(ea.fromJSON(e.start, t), ea.fromJSON(e.end, t))
                        }
                    }
                    class ra {
                        constructor() {
                            this._modelToViewMapping = new WeakMap,
                            this._viewToModelMapping = new WeakMap,
                            this._viewToModelLengthCallbacks = new Map,
                            this._markerNameToElements = new Map,
                            this._elementToMarkerNames = new Map,
                            this._unboundMarkerNames = new Set,
                            this.on("modelToViewPosition", (e, t) => {
                                if (t.viewPosition)
                                    return;
                                const i = this._modelToViewMapping.get(t.modelPosition.parent);
                                t.viewPosition = this.findPositionIn(i, t.modelPosition.offset)
                            }, {
                                priority: "low"
                            }),
                            this.on("viewToModelPosition", (e, t) => {
                                if (t.modelPosition)
                                    return;
                                const i = this.findMappedViewAncestor(t.viewPosition),
                                n = this._viewToModelMapping.get(i),
                                o = this._toModelOffset(t.viewPosition.parent, t.viewPosition.offset, i);
                                t.modelPosition = ea._createAt(n, o)
                            }, {
                                priority: "low"
                            })
                        }
                        bindElements(e, t) {
                            this._modelToViewMapping.set(e, t),
                            this._viewToModelMapping.set(t, e)
                        }
                        unbindViewElement(e) {
                            const t = this.toModelElement(e);
                            if (this._viewToModelMapping.delete(e), this._elementToMarkerNames.has(e))
                                for (const t of this._elementToMarkerNames.get(e))
                                    this._unboundMarkerNames.add(t);
                            this._modelToViewMapping.get(t) == e && this._modelToViewMapping.delete(t)
                        }
                        unbindModelElement(e) {
                            const t = this.toViewElement(e);
                            this._modelToViewMapping.delete(e),
                            this._viewToModelMapping.get(t) == e && this._viewToModelMapping.delete(t)
                        }
                        bindElementToMarker(e, t) {
                            const i = this._markerNameToElements.get(t) || new Set;
                            i.add(e);
                            const n = this._elementToMarkerNames.get(e) || new Set;
                            n.add(t),
                            this._markerNameToElements.set(t, i),
                            this._elementToMarkerNames.set(e, n)
                        }
                        unbindElementFromMarkerName(e, t) {
                            const i = this._markerNameToElements.get(t);
                            i && (i.delete(e), 0 == i.size && this._markerNameToElements.delete(t));
                            const n = this._elementToMarkerNames.get(e);
                            n && (n.delete(t), 0 == n.size && this._elementToMarkerNames.delete(e))
                        }
                        flushUnboundMarkerNames() {
                            const e = Array.from(this._unboundMarkerNames);
                            return this._unboundMarkerNames.clear(),
                            e
                        }
                        clearBindings() {
                            this._modelToViewMapping = new WeakMap,
                            this._viewToModelMapping = new WeakMap,
                            this._markerNameToElements = new Map,
                            this._elementToMarkerNames = new Map,
                            this._unboundMarkerNames = new Set
                        }
                        toModelElement(e) {
                            return this._viewToModelMapping.get(e)
                        }
                        toViewElement(e) {
                            return this._modelToViewMapping.get(e)
                        }
                        toModelRange(e) {
                            return new oa(this.toModelPosition(e.start), this.toModelPosition(e.end))
                        }
                        toViewRange(e) {
                            return new co(this.toViewPosition(e.start), this.toViewPosition(e.end))
                        }
                        toModelPosition(e) {
                            const t = {
                                viewPosition: e,
                                mapper: this
                            };
                            return this.fire("viewToModelPosition", t),
                            t.modelPosition
                        }
                        toViewPosition(e, t = {
                                isPhantom: !1
                            }) {
                            const i = {
                                modelPosition: e,
                                mapper: this,
                                isPhantom: t.isPhantom
                            };
                            return this.fire("modelToViewPosition", i),
                            i.viewPosition
                        }
                        markerNameToElements(e) {
                            const t = this._markerNameToElements.get(e);
                            if (!t)
                                return null;
                            const i = new Set;
                            for (const e of t)
                                if (e.is("attributeElement"))
                                    for (const t of e.getElementsWithSameId())
                                        i.add(t);
                                else
                                    i.add(e);
                            return i
                        }
                        registerViewToModelLength(e, t) {
                            this._viewToModelLengthCallbacks.set(e, t)
                        }
                        findMappedViewAncestor(e) {
                            let t = e.parent;
                            for (; !this._viewToModelMapping.has(t); )
                                t = t.parent;
                            return t
                        }
                        _toModelOffset(e, t, i) {
                            if (i != e) {
                                return this._toModelOffset(e.parent, e.index, i) + this._toModelOffset(e, t, e)
                            }
                            if (e.is("$text"))
                                return t;
                            let n = 0;
                            for (let i = 0; i < t; i++)
                                n += this.getModelLength(e.getChild(i));
                            return n
                        }
                        getModelLength(e) {
                            if (this._viewToModelLengthCallbacks.get(e.name)) {
                                return this._viewToModelLengthCallbacks.get(e.name)(e)
                            }
                            if (this._viewToModelMapping.has(e))
                                return 1;
                            if (e.is("$text"))
                                return e.data.length;
                            if (e.is("uiElement"))
                                return 0; {
                                let t = 0;
                                for (const i of e.getChildren())
                                    t += this.getModelLength(i);
                                return t
                            }
                        }
                        findPositionIn(e, t) {
                            let i,
                            n = 0,
                            o = 0,
                            r = 0;
                            if (e.is("$text"))
                                return new ao(e, t);
                            for (; o < t; )
                                i = e.getChild(r), n = this.getModelLength(i), o += n, r++;
                            return o == t ? this._moveViewPositionToTextNode(new ao(e, r)) : this.findPositionIn(i, t - (o - n))
                        }
                        _moveViewPositionToTextNode(e) {
                            const t = e.nodeBefore,
                            i = e.nodeAfter;
                            return t instanceof un ? new ao(t, t.data.length) : i instanceof un ? new ao(i, 0) : e
                        }
                    }
                    Ke(ra, u);
                    class sa {
                        constructor() {
                            this._consumable = new Map,
                            this._textProxyRegistry = new Map
                        }
                        add(e, t) {
                            t = aa(t),
                            e instanceof Ks && (e = this._getSymbolForTextProxy(e)),
                            this._consumable.has(e) || this._consumable.set(e, new Map),
                            this._consumable.get(e).set(t, !0)
                        }
                        consume(e, t) {
                            return t = aa(t),
                            e instanceof Ks && (e = this._getSymbolForTextProxy(e)),
                            !!this.test(e, t) && (this._consumable.get(e).set(t, !1), !0)
                        }
                        test(e, t) {
                            t = aa(t),
                            e instanceof Ks && (e = this._getSymbolForTextProxy(e));
                            const i = this._consumable.get(e);
                            if (void 0 === i)
                                return null;
                            const n = i.get(t);
                            return void 0 === n ? null : n
                        }
                        revert(e, t) {
                            t = aa(t),
                            e instanceof Ks && (e = this._getSymbolForTextProxy(e));
                            const i = this.test(e, t);
                            return !1 === i ? (this._consumable.get(e).set(t, !0), !0) : !0 !== i && null
                        }
                        _getSymbolForTextProxy(e) {
                            let t = null;
                            const i = this._textProxyRegistry.get(e.startOffset);
                            if (i) {
                                const n = i.get(e.endOffset);
                                n && (t = n.get(e.parent))
                            }
                            return t || (t = this._addSymbolForTextProxy(e.startOffset, e.endOffset, e.parent)),
                            t
                        }
                        _addSymbolForTextProxy(e, t, i) {
                            const n = Symbol("textProxySymbol");
                            let o,
                            r;
                            return o = this._textProxyRegistry.get(e),
                            o || (o = new Map, this._textProxyRegistry.set(e, o)),
                            r = o.get(t),
                            r || (r = new Map, o.set(t, r)),
                            r.set(i, n),
                            n
                        }
                    }
                    function aa(e) {
                        const t = e.split(":");
                        return t.length > 1 ? t[0] + ":" + t[1] : t[0]
                    }
                    class ca {
                        constructor(e) {
                            this.conversionApi = Object.assign({
                                dispatcher: this
                            }, e),
                            this._reconversionEventsMapping = new Map
                        }
                        convertChanges(e, t, i) {
                            for (const t of e.getMarkersToRemove())
                                this.convertMarkerRemove(t.name, t.range, i);
                            const n = this._mapChangesWithAutomaticReconversion(e);
                            for (const e of n)
                                "insert" === e.type ? this.convertInsert(oa._createFromPositionAndShift(e.position, e.length), i) : "remove" === e.type ? this.convertRemove(e.position, e.length, e.name, i) : "reconvert" === e.type ? this.reconvertElement(e.element, i) : this.convertAttribute(e.range, e.attributeKey, e.attributeOldValue, e.attributeNewValue, i);
                            for (const e of this.conversionApi.mapper.flushUnboundMarkerNames()) {
                                const n = t.get(e).getRange();
                                this.convertMarkerRemove(e, n, i),
                                this.convertMarkerAdd(e, n, i)
                            }
                            for (const t of e.getMarkersToAdd())
                                this.convertMarkerAdd(t.name, t.range, i)
                        }
                        convertInsert(e, t) {
                            this.conversionApi.writer = t,
                            this.conversionApi.consumable = this._createInsertConsumable(e);
                            for (const t of Array.from(e).map(da))
                                this._convertInsertWithAttributes(t);
                            this._clearConversionApi()
                        }
                        convertRemove(e, t, i, n) {
                            this.conversionApi.writer = n,
                            this.fire("remove:" + i, {
                                position: e,
                                length: t
                            }, this.conversionApi),
                            this._clearConversionApi()
                        }
                        convertAttribute(e, t, i, n, o) {
                            this.conversionApi.writer = o,
                            this.conversionApi.consumable = this._createConsumableForRange(e, "attribute:" + t);
                            for (const o of e) {
                                const e = {
                                    item: o.item,
                                    range: oa._createFromPositionAndShift(o.previousPosition, o.length),
                                    attributeKey: t,
                                    attributeOldValue: i,
                                    attributeNewValue: n
                                };
                                this._testAndFire("attribute:" + t, e)
                            }
                            this._clearConversionApi()
                        }
                        reconvertElement(e, t) {
                            const i = oa._createOn(e);
                            this.conversionApi.writer = t,
                            this.conversionApi.consumable = this._createInsertConsumable(i);
                            const n = this.conversionApi.mapper,
                            o = n.toViewElement(e);
                            t.remove(o),
                            this._convertInsertWithAttributes({
                                item: e,
                                range: i
                            });
                            const r = n.toViewElement(e);
                            for (const i of oa._createIn(e)) {
                                const {
                                    item: e
                                } = i,
                                o = ua(e, n);
                                o ? o.root !== r.root && t.move(t.createRangeOn(o), n.toViewPosition(ea._createBefore(e))) : this._convertInsertWithAttributes(da(i))
                            }
                            n.unbindViewElement(o),
                            this._clearConversionApi()
                        }
                        convertSelection(e, t, i) {
                            const n = Array.from(t.getMarkersAtPosition(e.getFirstPosition()));
                            if (this.conversionApi.writer = i, this.conversionApi.consumable = this._createSelectionConsumable(e, n), this.fire("selection", {
                                    selection: e
                                }, this.conversionApi), e.isCollapsed) {
                                for (const t of n) {
                                    const i = t.getRange();
                                    if (!la(e.getFirstPosition(), t, this.conversionApi.mapper))
                                        continue;
                                    const n = {
                                        item: e,
                                        markerName: t.name,
                                        markerRange: i
                                    };
                                    this.conversionApi.consumable.test(e, "addMarker:" + t.name) && this.fire("addMarker:" + t.name, n, this.conversionApi)
                                }
                                for (const t of e.getAttributeKeys()) {
                                    const i = {
                                        item: e,
                                        range: e.getFirstRange(),
                                        attributeKey: t,
                                        attributeOldValue: null,
                                        attributeNewValue: e.getAttribute(t)
                                    };
                                    this.conversionApi.consumable.test(e, "attribute:" + i.attributeKey) && this.fire("attribute:" + i.attributeKey + ":$text", i, this.conversionApi)
                                }
                                this._clearConversionApi()
                            }
                        }
                        convertMarkerAdd(e, t, i) {
                            if ("$graveyard" == t.root.rootName)
                                return;
                            this.conversionApi.writer = i;
                            const n = "addMarker:" + e,
                            o = new sa;
                            if (o.add(t, n), this.conversionApi.consumable = o, this.fire(n, {
                                    markerName: e,
                                    markerRange: t
                                }, this.conversionApi), o.test(t, n)) {
                                this.conversionApi.consumable = this._createConsumableForRange(t, n);
                                for (const i of t.getItems()) {
                                    if (!this.conversionApi.consumable.test(i, n))
                                        continue;
                                    const o = {
                                        item: i,
                                        range: oa._createOn(i),
                                        markerName: e,
                                        markerRange: t
                                    };
                                    this.fire(n, o, this.conversionApi)
                                }
                                this._clearConversionApi()
                            }
                        }
                        convertMarkerRemove(e, t, i) {
                            "$graveyard" != t.root.rootName && (this.conversionApi.writer = i, this.fire("removeMarker:" + e, {
                                    markerName: e,
                                    markerRange: t
                                }, this.conversionApi), this._clearConversionApi())
                        }
                        _mapReconversionTriggerEvent(e, t) {
                            this._reconversionEventsMapping.set(t, e)
                        }
                        _createInsertConsumable(e) {
                            const t = new sa;
                            for (const i of e) {
                                const e = i.item;
                                t.add(e, "insert");
                                for (const i of e.getAttributeKeys())
                                    t.add(e, "attribute:" + i)
                            }
                            return t
                        }
                        _createConsumableForRange(e, t) {
                            const i = new sa;
                            for (const n of e.getItems())
                                i.add(n, t);
                            return i
                        }
                        _createSelectionConsumable(e, t) {
                            const i = new sa;
                            i.add(e, "selection");
                            for (const n of t)
                                i.add(e, "addMarker:" + n.name);
                            for (const t of e.getAttributeKeys())
                                i.add(e, "attribute:" + t);
                            return i
                        }
                        _testAndFire(e, t) {
                            this.conversionApi.consumable.test(t.item, e) && this.fire(function (e, t) {
                                const i = t.item.name || "$text";
                                return `${e}:${i}`
                            }
                                (e, t), t, this.conversionApi)
                        }
                        _clearConversionApi() {
                            delete this.conversionApi.writer,
                            delete this.conversionApi.consumable
                        }
                        _convertInsertWithAttributes(e) {
                            this._testAndFire("insert", e);
                            for (const t of e.item.getAttributeKeys())
                                e.attributeKey = t, e.attributeOldValue = null, e.attributeNewValue = e.item.getAttribute(t), this._testAndFire("attribute:" + t, e)
                        }
                        _mapChangesWithAutomaticReconversion(e) {
                            const t = new Set,
                            i = [];
                            for (const n of e.getChanges()) {
                                const e = n.position || n.range.start,
                                o = e.parent;
                                if (ta(e, o)) {
                                    i.push(n);
                                    continue
                                }
                                const r = "attribute" === n.type ? ia(e, o, null) : o;
                                if (r.is("$text")) {
                                    i.push(n);
                                    continue
                                }
                                let s;
                                if (s = "attribute" === n.type ? `attribute:${n.attributeKey}:${r.name}` : `${n.type}:${n.name}`, this._isReconvertTriggerEvent(s, r.name)) {
                                    if (t.has(r))
                                        continue;
                                    t.add(r),
                                    i.push({
                                        type: "reconvert",
                                        element: r
                                    })
                                } else
                                    i.push(n)
                            }
                            return i
                        }
                        _isReconvertTriggerEvent(e, t) {
                            return this._reconversionEventsMapping.get(e) === t
                        }
                    }
                    function la(e, t, i) {
                        const n = t.getRange(),
                        o = Array.from(e.getAncestors());
                        o.shift(),
                        o.reverse();
                        return !o.some(e => {
                            if (n.containsItem(e)) {
                                return !!i.toViewElement(e).getCustomProperty("addHighlight")
                            }
                        })
                    }
                    function da(e) {
                        return {
                            item: e.item,
                            range: oa._createFromPositionAndShift(e.previousPosition, e.length)
                        }
                    }
                    function ua(e, t) {
                        if (e.is("textProxy")) {
                            const i = t.toViewPosition(ea._createBefore(e)).parent;
                            return i.is("$text") ? i : null
                        }
                        return t.toViewElement(e)
                    }
                    Ke(ca, u);
                    class ha {
                        constructor(e, t, i) {
                            this._lastRangeBackward = !1,
                            this._ranges = [],
                            this._attrs = new Map,
                            e && this.setTo(e, t, i)
                        }
                        get anchor() {
                            if (this._ranges.length > 0) {
                                const e = this._ranges[this._ranges.length - 1];
                                return this._lastRangeBackward ? e.end : e.start
                            }
                            return null
                        }
                        get focus() {
                            if (this._ranges.length > 0) {
                                const e = this._ranges[this._ranges.length - 1];
                                return this._lastRangeBackward ? e.start : e.end
                            }
                            return null
                        }
                        get isCollapsed() {
                            return 1 === this._ranges.length && this._ranges[0].isCollapsed
                        }
                        get rangeCount() {
                            return this._ranges.length
                        }
                        get isBackward() {
                            return !this.isCollapsed && this._lastRangeBackward
                        }
                        isEqual(e) {
                            if (this.rangeCount != e.rangeCount)
                                return !1;
                            if (0 === this.rangeCount)
                                return !0;
                            if (!this.anchor.isEqual(e.anchor) || !this.focus.isEqual(e.focus))
                                return !1;
                            for (const t of this._ranges) {
                                let i = !1;
                                for (const n of e._ranges)
                                    if (t.isEqual(n)) {
                                        i = !0;
                                        break
                                    }
                                if (!i)
                                    return !1
                            }
                            return !0
                        }
                         * getRanges() {
                            for (const e of this._ranges)
                                yield new oa(e.start, e.end)
                        }
                        getFirstRange() {
                            let e = null;
                            for (const t of this._ranges)
                                e && !t.start.isBefore(e.start) || (e = t);
                            return e ? new oa(e.start, e.end) : null
                        }
                        getLastRange() {
                            let e = null;
                            for (const t of this._ranges)
                                e && !t.end.isAfter(e.end) || (e = t);
                            return e ? new oa(e.start, e.end) : null
                        }
                        getFirstPosition() {
                            const e = this.getFirstRange();
                            return e ? e.start.clone() : null
                        }
                        getLastPosition() {
                            const e = this.getLastRange();
                            return e ? e.end.clone() : null
                        }
                        setTo(e, t, i) {
                            if (null === e)
                                this._setRanges([]);
                            else if (e instanceof ha)
                                this._setRanges(e.getRanges(), e.isBackward);
                            else if (e && "function" == typeof e.getRanges)
                                this._setRanges(e.getRanges(), e.isBackward);
                            else if (e instanceof oa)
                                this._setRanges([e], !!t && !!t.backward);
                            else if (e instanceof ea)
                                this._setRanges([new oa(e)]);
                            else if (e instanceof Ys) {
                                const n = !!i && !!i.backward;
                                let o;
                                if ("in" == t)
                                    o = oa._createIn(e);
                                else if ("on" == t)
                                    o = oa._createOn(e);
                                else {
                                    if (void 0 === t)
                                        throw new c.a("model-selection-setto-required-second-parameter", [this, e]);
                                    o = new oa(ea._createAt(e, t))
                                }
                                this._setRanges([o], n)
                            } else {
                                if (!Ji(e))
                                    throw new c.a("model-selection-setto-not-selectable", [this, e]);
                                this._setRanges(e, t && !!t.backward)
                            }
                        }
                        _setRanges(e, t = !1) {
                            const i = (e = Array.from(e)).some(t => {
                                if (!(t instanceof oa))
                                    throw new c.a("model-selection-set-ranges-not-range", [this, e]);
                                return this._ranges.every(e => !e.isEqual(t))
                            });
                            if (e.length !== this._ranges.length || i) {
                                this._removeAllRanges();
                                for (const t of e)
                                    this._pushRange(t);
                                this._lastRangeBackward = !!t,
                                this.fire("change:range", {
                                    directChange: !0
                                })
                            }
                        }
                        setFocus(e, t) {
                            if (null === this.anchor)
                                throw new c.a("model-selection-setfocus-no-ranges", [this, e]);
                            const i = ea._createAt(e, t);
                            if ("same" == i.compareWith(this.focus))
                                return;
                            const n = this.anchor;
                            this._ranges.length && this._popRange(),
                            "before" == i.compareWith(n) ? (this._pushRange(new oa(i, n)), this._lastRangeBackward = !0) : (this._pushRange(new oa(n, i)), this._lastRangeBackward = !1),
                            this.fire("change:range", {
                                directChange: !0
                            })
                        }
                        getAttribute(e) {
                            return this._attrs.get(e)
                        }
                        getAttributes() {
                            return this._attrs.entries()
                        }
                        getAttributeKeys() {
                            return this._attrs.keys()
                        }
                        hasAttribute(e) {
                            return this._attrs.has(e)
                        }
                        removeAttribute(e) {
                            this.hasAttribute(e) && (this._attrs.delete(e), this.fire("change:attribute", {
                                    attributeKeys: [e],
                                    directChange: !0
                                }))
                        }
                        setAttribute(e, t) {
                            this.getAttribute(e) !== t && (this._attrs.set(e, t), this.fire("change:attribute", {
                                    attributeKeys: [e],
                                    directChange: !0
                                }))
                        }
                        getSelectedElement() {
                            return 1 !== this.rangeCount ? null : this.getFirstRange().getContainedElement()
                        }
                        is(e) {
                            return "selection" === e || "model:selection" === e
                        }
                         * getSelectedBlocks() {
                            const e = new WeakSet;
                            for (const t of this.getRanges()) {
                                const i = ma(t.start, e);
                                i && pa(i, t) && (yield i);
                                for (const i of t.getWalker()) {
                                    const n = i.item;
                                    "elementEnd" == i.type && ga(n, e, t) && (yield n)
                                }
                                const n = ma(t.end, e);
                                n && !t.end.isTouching(ea._createAt(n, 0)) && pa(n, t) && (yield n)
                            }
                        }
                        containsEntireContent(e = this.anchor.root) {
                            const t = ea._createAt(e, 0),
                            i = ea._createAt(e, "end");
                            return t.isTouching(this.getFirstPosition()) && i.isTouching(this.getLastPosition())
                        }
                        _pushRange(e) {
                            this._checkRange(e),
                            this._ranges.push(new oa(e.start, e.end))
                        }
                        _checkRange(e) {
                            for (let t = 0; t < this._ranges.length; t++)
                                if (e.isIntersecting(this._ranges[t]))
                                    throw new c.a("model-selection-range-intersects", [this, e], {
                                        addedRange: e,
                                        intersectingRange: this._ranges[t]
                                    })
                        }
                        _removeAllRanges() {
                            for (; this._ranges.length > 0; )
                                this._popRange()
                        }
                        _popRange() {
                            this._ranges.pop()
                        }
                    }
                    function fa(e, t) {
                        return !t.has(e) && (t.add(e), e.root.document.model.schema.isBlock(e) && e.parent)
                    }
                    function ga(e, t, i) {
                        return fa(e, t) && pa(e, i)
                    }
                    function ma(e, t) {
                        const i = e.parent.root.document.model.schema,
                        n = e.parent.getAncestors({
                            parentFirst: !0,
                            includeSelf: !0
                        });
                        let o = !1;
                        const r = n.find(e => !o && (o = i.isLimit(e), !o && fa(e, t)));
                        return n.forEach(e => t.add(e)),
                        r
                    }
                    function pa(e, t) {
                        const i = function (e) {
                            const t = e.root.document.model.schema;
                            let i = e.parent;
                            for (; i; ) {
                                if (t.isBlock(i))
                                    return i;
                                i = i.parent
                            }
                        }
                        (e);
                        if (!i)
                            return !0;
                        return !t.containsRange(oa._createOn(i), !0)
                    }
                    Ke(ha, u);
                    class ba extends oa {
                        constructor(e, t) {
                            super(e, t),
                            wa.call(this)
                        }
                        detach() {
                            this.stopListening()
                        }
                        is(e) {
                            return "liveRange" === e || "model:liveRange" === e || "range" == e || "model:range" === e
                        }
                        toRange() {
                            return new oa(this.start, this.end)
                        }
                        static fromRange(e) {
                            return new ba(e.start, e.end)
                        }
                    }
                    function wa() {
                        this.listenTo(this.root.document.model, "applyOperation", (e, t) => {
                            const i = t[0];
                            i.isDocumentOperation && ka.call(this, i)
                        }, {
                            priority: "low"
                        })
                    }
                    function ka(e) {
                        const t = this.getTransformedByOperation(e),
                        i = oa._createFromRanges(t),
                        n = !i.isEqual(this),
                        o = function (e, t) {
                            switch (t.type) {
                            case "insert":
                                return e.containsPosition(t.position);
                            case "move":
                            case "remove":
                            case "reinsert":
                            case "merge":
                                return e.containsPosition(t.sourcePosition) || e.start.isEqual(t.sourcePosition) || e.containsPosition(t.targetPosition);
                            case "split":
                                return e.containsPosition(t.splitPosition) || e.containsPosition(t.insertionPosition)
                            }
                            return !1
                        }
                        (this, e);
                        let r = null;
                        if (n) {
                            "$graveyard" == i.root.rootName && (r = "remove" == e.type ? e.sourcePosition : e.deletionPosition);
                            const t = this.toRange();
                            this.start = i.start,
                            this.end = i.end,
                            this.fire("change:range", t, {
                                deletionPosition: r
                            })
                        } else
                            o && this.fire("change:content", this.toRange(), {
                                deletionPosition: r
                            })
                    }
                    Ke(ba, u);
                    class _a {
                        constructor(e) {
                            this._selection = new va(e),
                            this._selection.delegate("change:range").to(this),
                            this._selection.delegate("change:attribute").to(this),
                            this._selection.delegate("change:marker").to(this)
                        }
                        get isCollapsed() {
                            return this._selection.isCollapsed
                        }
                        get anchor() {
                            return this._selection.anchor
                        }
                        get focus() {
                            return this._selection.focus
                        }
                        get rangeCount() {
                            return this._selection.rangeCount
                        }
                        get hasOwnRange() {
                            return this._selection.hasOwnRange
                        }
                        get isBackward() {
                            return this._selection.isBackward
                        }
                        get isGravityOverridden() {
                            return this._selection.isGravityOverridden
                        }
                        get markers() {
                            return this._selection.markers
                        }
                        get _ranges() {
                            return this._selection._ranges
                        }
                        getRanges() {
                            return this._selection.getRanges()
                        }
                        getFirstPosition() {
                            return this._selection.getFirstPosition()
                        }
                        getLastPosition() {
                            return this._selection.getLastPosition()
                        }
                        getFirstRange() {
                            return this._selection.getFirstRange()
                        }
                        getLastRange() {
                            return this._selection.getLastRange()
                        }
                        getSelectedBlocks() {
                            return this._selection.getSelectedBlocks()
                        }
                        getSelectedElement() {
                            return this._selection.getSelectedElement()
                        }
                        containsEntireContent(e) {
                            return this._selection.containsEntireContent(e)
                        }
                        destroy() {
                            this._selection.destroy()
                        }
                        getAttributeKeys() {
                            return this._selection.getAttributeKeys()
                        }
                        getAttributes() {
                            return this._selection.getAttributes()
                        }
                        getAttribute(e) {
                            return this._selection.getAttribute(e)
                        }
                        hasAttribute(e) {
                            return this._selection.hasAttribute(e)
                        }
                        refresh() {
                            this._selection._updateMarkers(),
                            this._selection._updateAttributes(!1)
                        }
                        observeMarkers(e) {
                            this._selection.observeMarkers(e)
                        }
                        is(e) {
                            return "selection" === e || "model:selection" == e || "documentSelection" == e || "model:documentSelection" == e
                        }
                        _setFocus(e, t) {
                            this._selection.setFocus(e, t)
                        }
                        _setTo(e, t, i) {
                            this._selection.setTo(e, t, i)
                        }
                        _setAttribute(e, t) {
                            this._selection.setAttribute(e, t)
                        }
                        _removeAttribute(e) {
                            this._selection.removeAttribute(e)
                        }
                        _getStoredAttributes() {
                            return this._selection._getStoredAttributes()
                        }
                        _overrideGravity() {
                            return this._selection.overrideGravity()
                        }
                        _restoreGravity(e) {
                            this._selection.restoreGravity(e)
                        }
                        static _getStoreAttributeKey(e) {
                            return "selection:" + e
                        }
                        static _isStoreAttributeKey(e) {
                            return e.startsWith("selection:")
                        }
                    }
                    Ke(_a, u);
                    class va extends ha {
                        constructor(e) {
                            super(),
                            this.markers = new Zi({
                                idProperty: "name"
                            }),
                            this._model = e.model,
                            this._document = e,
                            this._attributePriority = new Map,
                            this._selectionRestorePosition = null,
                            this._hasChangedRange = !1,
                            this._overriddenGravityRegister = new Set,
                            this._observedMarkers = new Set,
                            this.listenTo(this._model, "applyOperation", (e, t) => {
                                const i = t[0];
                                i.isDocumentOperation && "marker" != i.type && "rename" != i.type && "noop" != i.type && (0 == this._ranges.length && this._selectionRestorePosition && this._fixGraveyardSelection(this._selectionRestorePosition), this._selectionRestorePosition = null, this._hasChangedRange && (this._hasChangedRange = !1, this.fire("change:range", {
                                            directChange: !1
                                        })))
                            }, {
                                priority: "lowest"
                            }),
                            this.on("change:range", () => {
                                for (const e of this.getRanges())
                                    if (!this._document._validateSelectionRange(e))
                                        throw new c.a("document-selection-wrong-position", this, {
                                            range: e
                                        })
                            }),
                            this.listenTo(this._model.markers, "update", (e, t, i, n) => {
                                this._updateMarker(t, n)
                            }),
                            this.listenTo(this._document, "change", (e, t) => {
                                !function (e, t) {
                                    const i = e.document.differ;
                                    for (const n of i.getChanges()) {
                                        if ("insert" != n.type)
                                            continue;
                                        const i = n.position.parent;
                                        n.length === i.maxOffset && e.enqueueChange(t, e => {
                                            const t = Array.from(i.getAttributeKeys()).filter(e => e.startsWith("selection:"));
                                            for (const n of t)
                                                e.removeAttribute(n, i)
                                        })
                                    }
                                }
                                (this._model, t)
                            })
                        }
                        get isCollapsed() {
                            return 0 === this._ranges.length ? this._document._getDefaultRange().isCollapsed : super.isCollapsed
                        }
                        get anchor() {
                            return super.anchor || this._document._getDefaultRange().start
                        }
                        get focus() {
                            return super.focus || this._document._getDefaultRange().end
                        }
                        get rangeCount() {
                            return this._ranges.length ? this._ranges.length : 1
                        }
                        get hasOwnRange() {
                            return this._ranges.length > 0
                        }
                        get isGravityOverridden() {
                            return !!this._overriddenGravityRegister.size
                        }
                        destroy() {
                            for (let e = 0; e < this._ranges.length; e++)
                                this._ranges[e].detach();
                            this.stopListening()
                        }
                         * getRanges() {
                            this._ranges.length ? yield * super.getRanges() : yield this._document._getDefaultRange()
                        }
                        getFirstRange() {
                            return super.getFirstRange() || this._document._getDefaultRange()
                        }
                        getLastRange() {
                            return super.getLastRange() || this._document._getDefaultRange()
                        }
                        setTo(e, t, i) {
                            super.setTo(e, t, i),
                            this._updateAttributes(!0),
                            this._updateMarkers()
                        }
                        setFocus(e, t) {
                            super.setFocus(e, t),
                            this._updateAttributes(!0),
                            this._updateMarkers()
                        }
                        setAttribute(e, t) {
                            if (this._setAttribute(e, t)) {
                                const t = [e];
                                this.fire("change:attribute", {
                                    attributeKeys: t,
                                    directChange: !0
                                })
                            }
                        }
                        removeAttribute(e) {
                            if (this._removeAttribute(e)) {
                                const t = [e];
                                this.fire("change:attribute", {
                                    attributeKeys: t,
                                    directChange: !0
                                })
                            }
                        }
                        overrideGravity() {
                            const e = s();
                            return this._overriddenGravityRegister.add(e),
                            1 === this._overriddenGravityRegister.size && this._updateAttributes(!0),
                            e
                        }
                        restoreGravity(e) {
                            if (!this._overriddenGravityRegister.has(e))
                                throw new c.a("document-selection-gravity-wrong-restore", this, {
                                    uid: e
                                });
                            this._overriddenGravityRegister.delete(e),
                            this.isGravityOverridden || this._updateAttributes(!0)
                        }
                        observeMarkers(e) {
                            this._observedMarkers.add(e),
                            this._updateMarkers()
                        }
                        _popRange() {
                            this._ranges.pop().detach()
                        }
                        _pushRange(e) {
                            const t = this._prepareRange(e);
                            t && this._ranges.push(t)
                        }
                        _prepareRange(e) {
                            if (this._checkRange(e), e.root == this._document.graveyard)
                                return;
                            const t = ba.fromRange(e);
                            return t.on("change:range", (e, i, n) => {
                                if (this._hasChangedRange = !0, t.root == this._document.graveyard) {
                                    this._selectionRestorePosition = n.deletionPosition;
                                    const e = this._ranges.indexOf(t);
                                    this._ranges.splice(e, 1),
                                    t.detach()
                                }
                            }),
                            t
                        }
                        _updateMarkers() {
                            if (!this._observedMarkers.size)
                                return;
                            const e = [];
                            let t = !1;
                            for (const t of this._model.markers) {
                                const i = t.name.split(":", 1)[0];
                                if (!this._observedMarkers.has(i))
                                    continue;
                                const n = t.getRange();
                                for (const i of this.getRanges())
                                    n.containsRange(i, !i.isCollapsed) && e.push(t)
                            }
                            const i = Array.from(this.markers);
                            for (const i of e)
                                this.markers.has(i) || (this.markers.add(i), t = !0);
                            for (const i of Array.from(this.markers))
                                e.includes(i) || (this.markers.remove(i), t = !0);
                            t && this.fire("change:marker", {
                                oldMarkers: i,
                                directChange: !1
                            })
                        }
                        _updateMarker(e, t) {
                            const i = e.name.split(":", 1)[0];
                            if (!this._observedMarkers.has(i))
                                return;
                            let n = !1;
                            const o = Array.from(this.markers),
                            r = this.markers.has(e);
                            if (t) {
                                let i = !1;
                                for (const e of this.getRanges())
                                    if (t.containsRange(e, !e.isCollapsed)) {
                                        i = !0;
                                        break
                                    }
                                i && !r ? (this.markers.add(e), n = !0) : !i && r && (this.markers.remove(e), n = !0)
                            } else
                                r && (this.markers.remove(e), n = !0);
                            n && this.fire("change:marker", {
                                oldMarkers: o,
                                directChange: !1
                            })
                        }
                        _updateAttributes(e) {
                            const t = fn(this._getSurroundingAttributes()),
                            i = fn(this.getAttributes());
                            if (e)
                                this._attributePriority = new Map, this._attrs = new Map;
                            else
                                for (const[e, t]of this._attributePriority)
                                    "low" == t && (this._attrs.delete(e), this._attributePriority.delete(e));
                            this._setAttributesTo(t);
                            const n = [];
                            for (const[e, t]of this.getAttributes())
                                i.has(e) && i.get(e) === t || n.push(e);
                            for (const[e]of i)
                                this.hasAttribute(e) || n.push(e);
                            n.length > 0 && this.fire("change:attribute", {
                                attributeKeys: n,
                                directChange: !1
                            })
                        }
                        _setAttribute(e, t, i = !0) {
                            const n = i ? "normal" : "low";
                            if ("low" == n && "normal" == this._attributePriority.get(e))
                                return !1;
                            return super.getAttribute(e) !== t && (this._attrs.set(e, t), this._attributePriority.set(e, n), !0)
                        }
                        _removeAttribute(e, t = !0) {
                            const i = t ? "normal" : "low";
                            return ("low" != i || "normal" != this._attributePriority.get(e)) && (this._attributePriority.set(e, i), !!super.hasAttribute(e) && (this._attrs.delete(e), !0))
                        }
                        _setAttributesTo(e) {
                            const t = new Set;
                            for (const[t, i]of this.getAttributes())
                                e.get(t) !== i && this._removeAttribute(t, !1);
                            for (const[i, n]of e) {
                                this._setAttribute(i, n, !1) && t.add(i)
                            }
                            return t
                        }
                         * _getStoredAttributes() {
                            const e = this.getFirstPosition().parent;
                            if (this.isCollapsed && e.isEmpty)
                                for (const t of e.getAttributeKeys())
                                    if (t.startsWith("selection:")) {
                                        const i = t.substr("selection:".length);
                                        yield[i, e.getAttribute(t)]
                                    }
                        }
                        _getSurroundingAttributes() {
                            const e = this.getFirstPosition(),
                            t = this._model.schema;
                            let i = null;
                            if (this.isCollapsed) {
                                const n = e.textNode ? e.textNode : e.nodeBefore,
                                o = e.textNode ? e.textNode : e.nodeAfter;
                                if (this.isGravityOverridden || (i = ya(n)), i || (i = ya(o)), !this.isGravityOverridden && !i) {
                                    let e = n;
                                    for (; e && !t.isInline(e) && !i; )
                                        e = e.previousSibling, i = ya(e)
                                }
                                if (!i) {
                                    let e = o;
                                    for (; e && !t.isInline(e) && !i; )
                                        e = e.nextSibling, i = ya(e)
                                }
                                i || (i = this._getStoredAttributes())
                            } else {
                                const e = this.getFirstRange();
                                for (const n of e) {
                                    if (n.item.is("element") && t.isObject(n.item))
                                        break;
                                    if ("text" == n.type) {
                                        i = n.item.getAttributes();
                                        break
                                    }
                                }
                            }
                            return i
                        }
                        _fixGraveyardSelection(e) {
                            const t = this._model.schema.getNearestSelectionRange(e);
                            t && this._pushRange(t)
                        }
                    }
                    function ya(e) {
                        return e instanceof Ks || e instanceof Gs ? e.getAttributes() : null
                    }
                    class xa {
                        constructor(e) {
                            this._dispatchers = e
                        }
                        add(e) {
                            for (const t of this._dispatchers)
                                e(t);
                            return this
                        }
                    }
                    var Aa = function (e) {
                        return qi(e, 5)
                    };
                    class Ca extends xa {
                        elementToElement(e) {
                            return this.add(function (e) {
                                return (e = Aa(e)).view = Pa(e.view, "container"),
                                t => {
                                    var i;
                                    if (t.on("insert:" + e.model, (i = e.view, (e, t, n) => {
                                                const o = i(t.item, n);
                                                if (!o)
                                                    return;
                                                if (!n.consumable.consume(t.item, "insert"))
                                                    return;
                                                const r = n.mapper.toViewPosition(t.range.start);
                                                n.mapper.bindElements(t.item, o),
                                                n.writer.insert(r, o)
                                            }), {
                                            priority: e.converterPriority || "normal"
                                        }), e.triggerBy) {
                                        if (e.triggerBy.attributes)
                                            for (const i of e.triggerBy.attributes)
                                                t._mapReconversionTriggerEvent(e.model, `attribute:${i}:${e.model}`);
                                        if (e.triggerBy.children)
                                            for (const i of e.triggerBy.children)
                                                t._mapReconversionTriggerEvent(e.model, "insert:" + i), t._mapReconversionTriggerEvent(e.model, "remove:" + i)
                                    }
                                }
                            }
                                (e))
                        }
                        attributeToElement(e) {
                            return this.add(function (e) {
                                e = Aa(e);
                                let t = "attribute:" + (e.model.key ? e.model.key : e.model);
                                e.model.name && (t += ":" + e.model.name);
                                if (e.model.values)
                                    for (const t of e.model.values)
                                        e.view[t] = Pa(e.view[t], "attribute");
                                else
                                    e.view = Pa(e.view, "attribute");
                                const i = Sa(e);
                                return n => {
                                    n.on(t, function (e) {
                                        return (t, i, n) => {
                                            const o = e(i.attributeOldValue, n),
                                            r = e(i.attributeNewValue, n);
                                            if (!o && !r)
                                                return;
                                            if (!n.consumable.consume(i.item, t.name))
                                                return;
                                            const s = n.writer,
                                            a = s.document.selection;
                                            if (i.item instanceof ha || i.item instanceof _a)
                                                s.wrap(a.getFirstRange(), r);
                                            else {
                                                let e = n.mapper.toViewRange(i.range);
                                                null !== i.attributeOldValue && o && (e = s.unwrap(e, o)),
                                                null !== i.attributeNewValue && r && s.wrap(e, r)
                                            }
                                        }
                                    }
                                        (i), {
                                        priority: e.converterPriority || "normal"
                                    })
                                }
                            }
                                (e))
                        }
                        attributeToAttribute(e) {
                            return this.add(function (e) {
                                e = Aa(e);
                                let t = "attribute:" + (e.model.key ? e.model.key : e.model);
                                e.model.name && (t += ":" + e.model.name);
                                if (e.model.values)
                                    for (const t of e.model.values)
                                        e.view[t] = Ma(e.view[t]);
                                else
                                    e.view = Ma(e.view);
                                const i = Sa(e);
                                return n => {
                                    var o;
                                    n.on(t, (o = i, (e, t, i) => {
                                            const n = o(t.attributeOldValue, i),
                                            r = o(t.attributeNewValue, i);
                                            if (!n && !r)
                                                return;
                                            if (!i.consumable.consume(t.item, e.name))
                                                return;
                                            const s = i.mapper.toViewElement(t.item),
                                            a = i.writer;
                                            if (!s)
                                                throw new c.a("conversion-attribute-to-attribute-on-text", [t, i]);
                                            if (null !== t.attributeOldValue && n)
                                                if ("class" == n.key) {
                                                    const e = en(n.value);
                                                    for (const t of e)
                                                        a.removeClass(t, s)
                                                } else if ("style" == n.key) {
                                                    const e = Object.keys(n.value);
                                                    for (const t of e)
                                                        a.removeStyle(t, s)
                                                } else
                                                    a.removeAttribute(n.key, s);
                                            if (null !== t.attributeNewValue && r)
                                                if ("class" == r.key) {
                                                    const e = en(r.value);
                                                    for (const t of e)
                                                        a.addClass(t, s)
                                                } else if ("style" == r.key) {
                                                    const e = Object.keys(r.value);
                                                    for (const t of e)
                                                        a.setStyle(t, r.value[t], s)
                                                } else
                                                    a.setAttribute(r.key, r.value, s)
                                        }), {
                                        priority: e.converterPriority || "normal"
                                    })
                                }
                            }
                                (e))
                        }
                        markerToElement(e) {
                            return this.add(function (e) {
                                return (e = Aa(e)).view = Pa(e.view, "ui"),
                                t => {
                                    var i;
                                    t.on("addMarker:" + e.model, (i = e.view, (e, t, n) => {
                                            t.isOpening = !0;
                                            const o = i(t, n);
                                            t.isOpening = !1;
                                            const r = i(t, n);
                                            if (!o || !r)
                                                return;
                                            const s = t.markerRange;
                                            if (s.isCollapsed && !n.consumable.consume(s, e.name))
                                                return;
                                            for (const t of s)
                                                if (!n.consumable.consume(t.item, e.name))
                                                    return;
                                            const a = n.mapper,
                                            c = n.writer;
                                            c.insert(a.toViewPosition(s.start), o),
                                            n.mapper.bindElementToMarker(o, t.markerName),
                                            s.isCollapsed || (c.insert(a.toViewPosition(s.end), r), n.mapper.bindElementToMarker(r, t.markerName)),
                                            e.stop()
                                        }), {
                                        priority: e.converterPriority || "normal"
                                    }),
                                    t.on("removeMarker:" + e.model, (e.view, (e, t, i) => {
                                            const n = i.mapper.markerNameToElements(t.markerName);
                                            if (n) {
                                                for (const e of n)
                                                    i.mapper.unbindElementFromMarkerName(e, t.markerName), i.writer.clear(i.writer.createRangeOn(e), e);
                                                i.writer.clearClonedElementsGroup(t.markerName),
                                                e.stop()
                                            }
                                        }), {
                                        priority: e.converterPriority || "normal"
                                    })
                                }
                            }
                                (e))
                        }
                        markerToHighlight(e) {
                            return this.add(function (e) {
                                return t => {
                                    var i;
                                    t.on("addMarker:" + e.model, (i = e.view, (e, t, n) => {
                                            if (!t.item)
                                                return;
                                            if (!(t.item instanceof ha || t.item instanceof _a || t.item.is("$textProxy")))
                                                return;
                                            const o = Ia(i, t, n);
                                            if (!o)
                                                return;
                                            if (!n.consumable.consume(t.item, e.name))
                                                return;
                                            const r = n.writer,
                                            s = Ta(r, o),
                                            a = r.document.selection;
                                            if (t.item instanceof ha || t.item instanceof _a)
                                                r.wrap(a.getFirstRange(), s, a);
                                            else {
                                                const e = n.mapper.toViewRange(t.range),
                                                i = r.wrap(e, s);
                                                for (const e of i.getItems())
                                                    if (e.is("attributeElement") && e.isSimilar(s)) {
                                                        n.mapper.bindElementToMarker(e, t.markerName);
                                                        break
                                                    }
                                            }
                                        }), {
                                        priority: e.converterPriority || "normal"
                                    }),
                                    t.on("addMarker:" + e.model, function (e) {
                                        return (t, i, n) => {
                                            if (!i.item)
                                                return;
                                            if (!(i.item instanceof Js))
                                                return;
                                            const o = Ia(e, i, n);
                                            if (!o)
                                                return;
                                            if (!n.consumable.test(i.item, t.name))
                                                return;
                                            const r = n.mapper.toViewElement(i.item);
                                            if (r && r.getCustomProperty("addHighlight")) {
                                                n.consumable.consume(i.item, t.name);
                                                for (const e of oa._createIn(i.item))
                                                    n.consumable.consume(e.item, t.name);
                                                r.getCustomProperty("addHighlight")(r, o, n.writer),
                                                n.mapper.bindElementToMarker(r, i.markerName)
                                            }
                                        }
                                    }
                                        (e.view), {
                                        priority: e.converterPriority || "normal"
                                    }),
                                    t.on("removeMarker:" + e.model, function (e) {
                                        return (t, i, n) => {
                                            if (i.markerRange.isCollapsed)
                                                return;
                                            const o = Ia(e, i, n);
                                            if (!o)
                                                return;
                                            const r = Ta(n.writer, o),
                                            s = n.mapper.markerNameToElements(i.markerName);
                                            if (s) {
                                                for (const e of s)
                                                    n.mapper.unbindElementFromMarkerName(e, i.markerName), e.is("attributeElement") ? n.writer.unwrap(n.writer.createRangeOn(e), r) : e.getCustomProperty("removeHighlight")(e, o.id, n.writer);
                                                n.writer.clearClonedElementsGroup(i.markerName),
                                                t.stop()
                                            }
                                        }
                                    }
                                        (e.view), {
                                        priority: e.converterPriority || "normal"
                                    })
                                }
                            }
                                (e))
                        }
                        markerToData(e) {
                            return this.add(function (e) {
                                const t = (e = Aa(e)).model;
                                e.view || (e.view = i => ({
                                        group: t,
                                        name: i.substr(e.model.length + 1)
                                    }));
                                return i => {
                                    var n;
                                    i.on("addMarker:" + t, (n = e.view, (e, t, i) => {
                                            const o = n(t.markerName, i);
                                            if (!o)
                                                return;
                                            const r = t.markerRange;
                                            i.consumable.consume(r, e.name) && (Ea(r, !1, i, t, o), Ea(r, !0, i, t, o), e.stop())
                                        }), {
                                        priority: e.converterPriority || "normal"
                                    }),
                                    i.on("removeMarker:" + t, function (e) {
                                        return (t, i, n) => {
                                            const o = e(i.markerName, n);
                                            if (!o)
                                                return;
                                            const r = n.mapper.markerNameToElements(i.markerName);
                                            if (r) {
                                                for (const e of r)
                                                    n.mapper.unbindElementFromMarkerName(e, i.markerName), e.is("containerElement") ? (s(`data-${o.group}-start-before`, e), s(`data-${o.group}-start-after`, e), s(`data-${o.group}-end-before`, e), s(`data-${o.group}-end-after`, e)) : n.writer.clear(n.writer.createRangeOn(e), e);
                                                n.writer.clearClonedElementsGroup(i.markerName),
                                                t.stop()
                                            }
                                            function s(e, t) {
                                                if (t.hasAttribute(e)) {
                                                    const i = new Set(t.getAttribute(e).split(","));
                                                    i.delete(o.name),
                                                    0 == i.size ? n.writer.removeAttribute(e, t) : n.writer.setAttribute(e, Array.from(i).join(","), t)
                                                }
                                            }
                                        }
                                    }
                                        (e.view), {
                                        priority: e.converterPriority || "normal"
                                    })
                                }
                            }
                                (e))
                        }
                    }
                    function Ta(e, t) {
                        const i = e.createAttributeElement("span", t.attributes);
                        return t.classes && i._addClass(t.classes),
                        t.priority && (i._priority = t.priority),
                        i._id = t.id,
                        i
                    }
                    function Ea(e, t, i, n, o) {
                        const r = t ? e.start : e.end;
                        if (i.schema.checkChild(r, "$text")) {
                            !function (e, t, i, n, o) {
                                const r = `${o.group}-${t?"start":"end"}`,
                                s = o.name ? {
                                    name: o.name
                                }
                                 : null,
                                a = i.writer.createUIElement(r, s);
                                i.writer.insert(e, a),
                                i.mapper.bindElementToMarker(a, n.markerName)
                            }
                            (i.mapper.toViewPosition(r), t, i, n, o)
                        } else {
                            let e,
                            s;
                            t && r.nodeAfter || !t && !r.nodeBefore ? (e = r.nodeAfter, s = !0) : (e = r.nodeBefore, s = !1);
                            !function (e, t, i, n, o, r) {
                                const s = `data-${r.group}-${t?"start":"end"}-${i?"before":"after"}`,
                                a = e.hasAttribute(s) ? e.getAttribute(s).split(",") : [];
                                a.unshift(r.name),
                                n.writer.setAttribute(s, a.join(","), e),
                                n.mapper.bindElementToMarker(e, o.markerName)
                            }
                            (i.mapper.toViewElement(e), t, s, i, n, o)
                        }
                    }
                    function Pa(e, t) {
                        return "function" == typeof e ? e : (i, n) => function (e, t, i) {
                            "string" == typeof e && (e = {
                                    name: e
                                });
                            let n;
                            const o = t.writer,
                            r = Object.assign({}, e.attributes);
                            if ("container" == i)
                                n = o.createContainerElement(e.name, r);
                            else if ("attribute" == i) {
                                const t = {
                                    priority: e.priority || yo.DEFAULT_PRIORITY
                                };
                                n = o.createAttributeElement(e.name, r, t)
                            } else
                                n = o.createUIElement(e.name, r);
                            if (e.styles) {
                                const t = Object.keys(e.styles);
                                for (const i of t)
                                    o.setStyle(i, e.styles[i], n)
                            }
                            if (e.classes) {
                                const t = e.classes;
                                if ("string" == typeof t)
                                    o.addClass(t, n);
                                else
                                    for (const e of t)
                                        o.addClass(e, n)
                            }
                            return n
                        }
                        (e, n, t)
                    }
                    function Sa(e) {
                        return e.model.values ? (t, i) => {
                            const n = e.view[t];
                            return n ? n(t, i) : null
                        }
                         : e.view
                    }
                    function Ma(e) {
                        return "string" == typeof e ? t => ({
                            key: e,
                            value: t
                        }) : "object" == typeof e ? e.value ? () => e : t => ({
                            key: e.key,
                            value: t
                        }) : e
                    }
                    function Ia(e, t, i) {
                        const n = "function" == typeof e ? e(t, i) : e;
                        return n ? (n.priority || (n.priority = 10), n.id || (n.id = t.markerName), n) : null
                    }
                    function Na(e) {
                        const {
                            schema: t,
                            document: i
                        } = e.model;
                        for (const n of i.getRootNames()) {
                            const o = i.getRoot(n);
                            if (o.isEmpty && !t.checkChild(o, "$text") && t.checkChild(o, "paragraph"))
                                return e.insertElement("paragraph", o), !0
                        }
                        return !1
                    }
                    function Ra(e, t, i) {
                        const n = i.createContext(e);
                        return !!i.checkChild(n, "paragraph") && !!i.checkChild(n.push("paragraph"), t)
                    }
                    function Oa(e, t) {
                        const i = t.createElement("paragraph");
                        return t.insert(i, e),
                        t.createPositionAt(i, 0)
                    }
                    class Da extends xa {
                        elementToElement(e) {
                            return this.add(La(e))
                        }
                        elementToAttribute(e) {
                            return this.add(function (e) {
                                ja(e = Aa(e));
                                const t = Ba(e, !1),
                                i = za(e.view),
                                n = i ? "element:" + i : "element";
                                return i => {
                                    i.on(n, t, {
                                        priority: e.converterPriority || "low"
                                    })
                                }
                            }
                                (e))
                        }
                        attributeToAttribute(e) {
                            return this.add(function (e) {
                                e = Aa(e);
                                let t = null;
                                ("string" == typeof e.view || e.view.key) && (t = function (e) {
                                    "string" == typeof e.view && (e.view = {
                                            key: e.view
                                        });
                                    const t = e.view.key;
                                    let i;
                                    if ("class" == t || "style" == t) {
                                        i = {
                                            ["class" == t ? "classes" : "styles"]: e.view.value
                                        }
                                    } else {
                                        const n = void 0 === e.view.value ? /[\s\S]*/ : e.view.value;
                                        i = {
                                            attributes: {
                                                [t]: n
                                            }
                                        }
                                    }
                                    e.view.name && (i.name = e.view.name);
                                    return e.view = i,
                                    t
                                }
                                    (e));
                                ja(e, t);
                                const i = Ba(e, !0);
                                return t => {
                                    t.on("element", i, {
                                        priority: e.converterPriority || "low"
                                    })
                                }
                            }
                                (e))
                        }
                        elementToMarker(e) {
                            return Object(c.b)("upcast-helpers-element-to-marker-deprecated"),
                            this.add(function (e) {
                                return function (e) {
                                    const t = e.model;
                                    e.model = (e, i) => {
                                        const n = "string" == typeof t ? t : t(e, i);
                                        return i.writer.createElement("$marker", {
                                            "data-name": n
                                        })
                                    }
                                }
                                (e = Aa(e)),
                                La(e)
                            }
                                (e))
                        }
                        dataToMarker(e) {
                            return this.add(function (e) {
                                (e = Aa(e)).model || (e.model = t => t ? e.view + ":" + t : e.view);
                                const t = Va(Fa(e, "start")),
                                i = Va(Fa(e, "end"));
                                return n => {
                                    n.on("element:" + e.view + "-start", t, {
                                        priority: e.converterPriority || "normal"
                                    }),
                                    n.on("element:" + e.view + "-end", i, {
                                        priority: e.converterPriority || "normal"
                                    });
                                    const o = a.get("low"),
                                    r = a.get("highest"),
                                    s = a.get(e.converterPriority) / r;
                                    n.on("element", function (e) {
                                        return (t, i, n) => {
                                            const o = "data-" + e.view;
                                            function r(t, o) {
                                                for (const r of o) {
                                                    const o = e.model(r, n),
                                                    s = n.writer.createElement("$marker", {
                                                        "data-name": o
                                                    });
                                                    n.writer.insert(s, t),
                                                    i.modelCursor.isEqual(t) ? i.modelCursor = i.modelCursor.getShiftedBy(1) : i.modelCursor = i.modelCursor._getTransformedByInsertion(t, 1),
                                                    i.modelRange = i.modelRange._getTransformedByInsertion(t, 1)[0]
                                                }
                                            }
                                            i.modelRange || (i = Object.assign(i, n.convertChildren(i.viewItem, i.modelCursor))),
                                            n.consumable.consume(i.viewItem, {
                                                attributes: o + "-end-after"
                                            }) && r(i.modelRange.end, i.viewItem.getAttribute(o + "-end-after").split(",")),
                                            n.consumable.consume(i.viewItem, {
                                                attributes: o + "-start-after"
                                            }) && r(i.modelRange.end, i.viewItem.getAttribute(o + "-start-after").split(",")),
                                            n.consumable.consume(i.viewItem, {
                                                attributes: o + "-end-before"
                                            }) && r(i.modelRange.start, i.viewItem.getAttribute(o + "-end-before").split(",")),
                                            n.consumable.consume(i.viewItem, {
                                                attributes: o + "-start-before"
                                            }) && r(i.modelRange.start, i.viewItem.getAttribute(o + "-start-before").split(","))
                                        }
                                    }
                                        (e), {
                                        priority: o + s
                                    })
                                }
                            }
                                (e))
                        }
                    }
                    function La(e) {
                        const t = Va(e = Aa(e)),
                        i = za(e.view),
                        n = i ? "element:" + i : "element";
                        return i => {
                            i.on(n, t, {
                                priority: e.converterPriority || "normal"
                            })
                        }
                    }
                    function za(e) {
                        return "string" == typeof e ? e : "object" == typeof e && "string" == typeof e.name ? e.name : null
                    }
                    function Va(e) {
                        const t = new gn(e.view);
                        return (i, n, o) => {
                            const r = t.match(n.viewItem);
                            if (!r)
                                return;
                            const s = r.match;
                            if (s.name = !0, !o.consumable.test(n.viewItem, s))
                                return;
                            const a = function (e, t, i) {
                                return e instanceof Function ? e(t, i) : i.writer.createElement(e)
                            }
                            (e.model, n.viewItem, o);
                            a && o.safeInsert(a, n.modelCursor) && (o.consumable.consume(n.viewItem, s), o.convertChildren(n.viewItem, a), o.updateConversionResult(a, n))
                        }
                    }
                    function ja(e, t = null) {
                        const i = null === t || (e => e.getAttribute(t)),
                        n = "object" != typeof e.model ? e.model : e.model.key,
                        o = "object" != typeof e.model || void 0 === e.model.value ? i : e.model.value;
                        e.model = {
                            key: n,
                            value: o
                        }
                    }
                    function Ba(e, t) {
                        const i = new gn(e.view);
                        return (n, o, r) => {
                            const s = i.match(o.viewItem);
                            if (!s)
                                return;
                            const a = e.model.key,
                            c = "function" == typeof e.model.value ? e.model.value(o.viewItem, r) : e.model.value;
                            if (null === c)
                                return;
                            if (!function (e, t) {
                                const i = "function" == typeof e ? e(t) : e;
                                if ("object" == typeof i && !za(i))
                                    return !1;
                                return !i.classes && !i.attributes && !i.styles
                            }
                                (e.view, o.viewItem) ? delete s.match.name : s.match.name = !0, !r.consumable.test(o.viewItem, s.match))
                                return;
                            o.modelRange || (o = Object.assign(o, r.convertChildren(o.viewItem, o.modelCursor)));
                            (function (e, t, i, n) {
                                let o = !1;
                                for (const r of Array.from(e.getItems({
                                            shallow: i
                                        })))
                                    n.schema.checkAttribute(r, t.key) && (o = !0, r.hasAttribute(t.key) || n.writer.setAttribute(t.key, t.value, r));
                                return o
                            })(o.modelRange, {
                                key: a,
                                value: c
                            }, t, r) && r.consumable.consume(o.viewItem, s.match)
                        }
                    }
                    function Fa(e, t) {
                        const i = {};
                        return i.view = e.view + "-" + t,
                        i.model = (t, i) => {
                            const n = t.getAttribute("name"),
                            o = e.model(n, i);
                            return i.writer.createElement("$marker", {
                                "data-name": o
                            })
                        },
                        i
                    }
                    class Ha {
                        constructor(e, t) {
                            this.model = e,
                            this.view = new $s(t),
                            this.mapper = new ra,
                            this.downcastDispatcher = new ca({
                                mapper: this.mapper,
                                schema: e.schema
                            });
                            const i = this.model.document,
                            n = i.selection,
                            o = this.model.markers;
                            this.listenTo(this.model, "_beforeChanges", () => {
                                this.view._disableRendering(!0)
                            }, {
                                priority: "highest"
                            }),
                            this.listenTo(this.model, "_afterChanges", () => {
                                this.view._disableRendering(!1)
                            }, {
                                priority: "lowest"
                            }),
                            this.listenTo(i, "change", () => {
                                this.view.change(e => {
                                    this.downcastDispatcher.convertChanges(i.differ, o, e),
                                    this.downcastDispatcher.convertSelection(n, o, e)
                                })
                            }, {
                                priority: "low"
                            }),
                            this.listenTo(this.view.document, "selectionChange", function (e, t) {
                                return (i, n) => {
                                    const o = n.newSelection,
                                    r = [];
                                    for (const e of o.getRanges())
                                        r.push(t.toModelRange(e));
                                    const s = e.createSelection(r, {
                                        backward: o.isBackward
                                    });
                                    s.isEqual(e.document.selection) || e.change(e => {
                                        e.setSelection(s)
                                    })
                                }
                            }
                                (this.model, this.mapper)),
                            this.downcastDispatcher.on("insert:$text", (e, t, i) => {
                                if (!i.consumable.consume(t.item, "insert"))
                                    return;
                                const n = i.writer,
                                o = i.mapper.toViewPosition(t.range.start),
                                r = n.createText(t.item.data);
                                n.insert(o, r)
                            }, {
                                priority: "lowest"
                            }),
                            this.downcastDispatcher.on("remove", (e, t, i) => {
                                const n = i.mapper.toViewPosition(t.position),
                                o = t.position.getShiftedBy(t.length),
                                r = i.mapper.toViewPosition(o, {
                                    isPhantom: !0
                                }),
                                s = i.writer.createRange(n, r),
                                a = i.writer.remove(s.getTrimmed());
                                for (const e of i.writer.createRangeIn(a).getItems())
                                    i.mapper.unbindViewElement(e)
                            }, {
                                priority: "low"
                            }),
                            this.downcastDispatcher.on("selection", (e, t, i) => {
                                const n = i.writer,
                                o = n.document.selection;
                                for (const e of o.getRanges())
                                    e.isCollapsed && e.end.parent.isAttached() && i.writer.mergeAttributes(e.start);
                                n.setSelection(null)
                            }, {
                                priority: "low"
                            }),
                            this.downcastDispatcher.on("selection", (e, t, i) => {
                                const n = t.selection;
                                if (n.isCollapsed)
                                    return;
                                if (!i.consumable.consume(n, "selection"))
                                    return;
                                const o = [];
                                for (const e of n.getRanges()) {
                                    const t = i.mapper.toViewRange(e);
                                    o.push(t)
                                }
                                i.writer.setSelection(o, {
                                    backward: n.isBackward
                                })
                            }, {
                                priority: "low"
                            }),
                            this.downcastDispatcher.on("selection", (e, t, i) => {
                                const n = t.selection;
                                if (!n.isCollapsed)
                                    return;
                                if (!i.consumable.consume(n, "selection"))
                                    return;
                                const o = i.writer,
                                r = n.getFirstPosition(),
                                s = i.mapper.toViewPosition(r),
                                a = o.breakAttributes(s);
                                o.setSelection(a)
                            }, {
                                priority: "low"
                            }),
                            this.view.document.roots.bindTo(this.model.document.roots).using(e => {
                                if ("$graveyard" == e.rootName)
                                    return null;
                                const t = new ro(this.view.document, e.name);
                                return t.rootName = e.rootName,
                                this.mapper.bindElements(e, t),
                                t
                            })
                        }
                        destroy() {
                            this.view.destroy(),
                            this.stopListening()
                        }
                    }
                    Ke(Ha, Ue);
                    class Ua {
                        constructor() {
                            this._commands = new Map
                        }
                        add(e, t) {
                            this._commands.set(e, t)
                        }
                        get(e) {
                            return this._commands.get(e)
                        }
                        execute(e, ...t) {
                            const i = this.get(e);
                            if (!i)
                                throw new c.a("commandcollection-command-not-found", this, {
                                    commandName: e
                                });
                            return i.execute(...t)
                        }
                         * names() {
                            yield * this._commands.keys()
                        }
                         * commands() {
                            yield * this._commands.values()
                        }
                        [Symbol.iterator]() {
                            return this._commands[Symbol.iterator]()
                        }
                        destroy() {
                            for (const e of this.commands())
                                e.destroy()
                        }
                    }
                    class Wa {
                        constructor() {
                            this._consumables = new Map
                        }
                        add(e, t) {
                            let i;
                            e.is("$text") || e.is("documentFragment") ? this._consumables.set(e, !0) : (this._consumables.has(e) ? i = this._consumables.get(e) : (i = new qa(e), this._consumables.set(e, i)), i.add(t))
                        }
                        test(e, t) {
                            const i = this._consumables.get(e);
                            return void 0 === i ? null : e.is("$text") || e.is("documentFragment") ? i : i.test(t)
                        }
                        consume(e, t) {
                            return !!this.test(e, t) && (e.is("$text") || e.is("documentFragment") ? this._consumables.set(e, !1) : this._consumables.get(e).consume(t), !0)
                        }
                        revert(e, t) {
                            const i = this._consumables.get(e);
                            void 0 !== i && (e.is("$text") || e.is("documentFragment") ? this._consumables.set(e, !0) : i.revert(t))
                        }
                        static consumablesFromElement(e) {
                            const t = {
                                element: e,
                                name: !0,
                                attributes: [],
                                classes: [],
                                styles: []
                            },
                            i = e.getAttributeKeys();
                            for (const e of i)
                                "style" != e && "class" != e && t.attributes.push(e);
                            const n = e.getClassNames();
                            for (const e of n)
                                t.classes.push(e);
                            const o = e.getStyleNames();
                            for (const e of o)
                                t.styles.push(e);
                            return t
                        }
                        static createFrom(e, t) {
                            if (t || (t = new Wa(e)), e.is("$text"))
                                return t.add(e), t;
                            e.is("element") && t.add(e, Wa.consumablesFromElement(e)),
                            e.is("documentFragment") && t.add(e);
                            for (const i of e.getChildren())
                                t = Wa.createFrom(i, t);
                            return t
                        }
                    }
                    class qa {
                        constructor(e) {
                            this.element = e,
                            this._canConsumeName = null,
                            this._consumables = {
                                attributes: new Map,
                                styles: new Map,
                                classes: new Map
                            }
                        }
                        add(e) {
                            e.name && (this._canConsumeName = !0);
                            for (const t in this._consumables)
                                t in e && this._add(t, e[t])
                        }
                        test(e) {
                            if (e.name && !this._canConsumeName)
                                return this._canConsumeName;
                            for (const t in this._consumables)
                                if (t in e) {
                                    const i = this._test(t, e[t]);
                                    if (!0 !== i)
                                        return i
                                }
                            return !0
                        }
                        consume(e) {
                            e.name && (this._canConsumeName = !1);
                            for (const t in this._consumables)
                                t in e && this._consume(t, e[t])
                        }
                        revert(e) {
                            e.name && (this._canConsumeName = !0);
                            for (const t in this._consumables)
                                t in e && this._revert(t, e[t])
                        }
                        _add(e, t) {
                            const i = _e(t) ? t : [t],
                            n = this._consumables[e];
                            for (const t of i) {
                                if ("attributes" === e && ("class" === t || "style" === t))
                                    throw new c.a("viewconsumable-invalid-attribute", this);
                                if (n.set(t, !0), "styles" === e)
                                    for (const e of this.element.document.stylesProcessor.getRelatedStyles(t))
                                        n.set(e, !0)
                            }
                        }
                        _test(e, t) {
                            const i = _e(t) ? t : [t],
                            n = this._consumables[e];
                            for (const t of i)
                                if ("attributes" !== e || "class" !== t && "style" !== t) {
                                    const e = n.get(t);
                                    if (void 0 === e)
                                        return null;
                                    if (!e)
                                        return !1
                                } else {
                                    const e = "class" == t ? "classes" : "styles",
                                    i = this._test(e, [...this._consumables[e].keys()]);
                                    if (!0 !== i)
                                        return i
                                }
                            return !0
                        }
                        _consume(e, t) {
                            const i = _e(t) ? t : [t],
                            n = this._consumables[e];
                            for (const t of i)
                                if ("attributes" !== e || "class" !== t && "style" !== t) {
                                    if (n.set(t, !1), "styles" == e)
                                        for (const e of this.element.document.stylesProcessor.getRelatedStyles(t))
                                            n.set(e, !1)
                                } else {
                                    const e = "class" == t ? "classes" : "styles";
                                    this._consume(e, [...this._consumables[e].keys()])
                                }
                        }
                        _revert(e, t) {
                            const i = _e(t) ? t : [t],
                            n = this._consumables[e];
                            for (const t of i)
                                if ("attributes" !== e || "class" !== t && "style" !== t) {
                                    !1 === n.get(t) && n.set(t, !0)
                                } else {
                                    const e = "class" == t ? "classes" : "styles";
                                    this._revert(e, [...this._consumables[e].keys()])
                                }
                        }
                    }
                    class $a {
                        constructor() {
                            this._sourceDefinitions = {},
                            this._attributeProperties = {},
                            this.decorate("checkChild"),
                            this.decorate("checkAttribute"),
                            this.on("checkAttribute", (e, t) => {
                                t[0] = new Ya(t[0])
                            }, {
                                priority: "highest"
                            }),
                            this.on("checkChild", (e, t) => {
                                t[0] = new Ya(t[0]),
                                t[1] = this.getDefinition(t[1])
                            }, {
                                priority: "highest"
                            })
                        }
                        register(e, t) {
                            if (this._sourceDefinitions[e])
                                throw new c.a("schema-cannot-register-item-twice", this, {
                                    itemName: e
                                });
                            this._sourceDefinitions[e] = [Object.assign({}, t)],
                            this._clearCache()
                        }
                        extend(e, t) {
                            if (!this._sourceDefinitions[e])
                                throw new c.a("schema-cannot-extend-missing-item", this, {
                                    itemName: e
                                });
                            this._sourceDefinitions[e].push(Object.assign({}, t)),
                            this._clearCache()
                        }
                        getDefinitions() {
                            return this._compiledDefinitions || this._compile(),
                            this._compiledDefinitions
                        }
                        getDefinition(e) {
                            let t;
                            return t = "string" == typeof e ? e : e.is && (e.is("$text") || e.is("$textProxy")) ? "$text" : e.name,
                            this.getDefinitions()[t]
                        }
                        isRegistered(e) {
                            return !!this.getDefinition(e)
                        }
                        isBlock(e) {
                            const t = this.getDefinition(e);
                            return !(!t || !t.isBlock)
                        }
                        isLimit(e) {
                            const t = this.getDefinition(e);
                            return !!t && !(!t.isLimit && !t.isObject)
                        }
                        isObject(e) {
                            const t = this.getDefinition(e);
                            return !!t && !!(t.isObject || t.isLimit && t.isSelectable && t.isContent)
                        }
                        isInline(e) {
                            const t = this.getDefinition(e);
                            return !(!t || !t.isInline)
                        }
                        isSelectable(e) {
                            const t = this.getDefinition(e);
                            return !!t && !(!t.isSelectable && !t.isObject)
                        }
                        isContent(e) {
                            const t = this.getDefinition(e);
                            return !!t && !(!t.isContent && !t.isObject)
                        }
                        checkChild(e, t) {
                            return !!t && this._checkContextMatch(t, e)
                        }
                        checkAttribute(e, t) {
                            const i = this.getDefinition(e.last);
                            return !!i && i.allowAttributes.includes(t)
                        }
                        checkMerge(e, t = null) {
                            if (e instanceof ea) {
                                const t = e.nodeBefore,
                                i = e.nodeAfter;
                                if (!(t instanceof Js))
                                    throw new c.a("schema-check-merge-no-element-before", this);
                                if (!(i instanceof Js))
                                    throw new c.a("schema-check-merge-no-element-after", this);
                                return this.checkMerge(t, i)
                            }
                            for (const i of t.getChildren())
                                if (!this.checkChild(e, i))
                                    return !1;
                            return !0
                        }
                        addChildCheck(e) {
                            this.on("checkChild", (t, [i, n]) => {
                                if (!n)
                                    return;
                                const o = e(i, n);
                                "boolean" == typeof o && (t.stop(), t.return = o)
                            }, {
                                priority: "high"
                            })
                        }
                        addAttributeCheck(e) {
                            this.on("checkAttribute", (t, [i, n]) => {
                                const o = e(i, n);
                                "boolean" == typeof o && (t.stop(), t.return = o)
                            }, {
                                priority: "high"
                            })
                        }
                        setAttributeProperties(e, t) {
                            this._attributeProperties[e] = Object.assign(this.getAttributeProperties(e), t)
                        }
                        getAttributeProperties(e) {
                            return this._attributeProperties[e] || {}
                        }
                        getLimitElement(e) {
                            let t;
                            if (e instanceof ea)
                                t = e.parent;
                            else {
                                t = (e instanceof oa ? [e] : Array.from(e.getRanges())).reduce((e, t) => {
                                    const i = t.getCommonAncestor();
                                    return e ? e.getCommonAncestor(i, {
                                        includeSelf: !0
                                    }) : i
                                }, null)
                            }
                            for (; !this.isLimit(t) && t.parent; )
                                t = t.parent;
                            return t
                        }
                        checkAttributeInSelection(e, t) {
                            if (e.isCollapsed) {
                                const i = [...e.getFirstPosition().getAncestors(), new Gs("", e.getAttributes())];
                                return this.checkAttribute(i, t)
                            } {
                                const i = e.getRanges();
                                for (const e of i)
                                    for (const i of e)
                                        if (this.checkAttribute(i.item, t))
                                            return !0
                            }
                            return !1
                        }
                         * getValidRanges(e, t) {
                            e = function  * (e) {
                                for (const t of e)
                                    yield * t.getMinimalFlatRanges()
                            }
                            (e);
                            for (const i of e)
                                yield * this._getValidRangesForRange(i, t)
                        }
                        getNearestSelectionRange(e, t = "both") {
                            if (this.checkChild(e, "$text"))
                                return new oa(e);
                            let i,
                            n;
                            const o = e.getAncestors().reverse().find(e => this.isLimit(e)) || e.root;
                            "both" != t && "backward" != t || (i = new Zs({
                                    boundaries: oa._createIn(o),
                                    startPosition: e,
                                    direction: "backward"
                                })),
                            "both" != t && "forward" != t || (n = new Zs({
                                    boundaries: oa._createIn(o),
                                    startPosition: e
                                }));
                            for (const e of function  * (e, t) {
                                let i = !1;
                                for (; !i; ) {
                                    if (i = !0, e) {
                                        const t = e.next();
                                        t.done || (i = !1, yield {
                                            walker: e,
                                            value: t.value
                                        })
                                    }
                                    if (t) {
                                        const e = t.next();
                                        e.done || (i = !1, yield {
                                            walker: t,
                                            value: e.value
                                        })
                                    }
                                }
                            }
                                (i, n)) {
                                const t = e.walker == i ? "elementEnd" : "elementStart",
                                n = e.value;
                                if (n.type == t && this.isObject(n.item))
                                    return oa._createOn(n.item);
                                if (this.checkChild(n.nextPosition, "$text"))
                                    return new oa(n.nextPosition)
                            }
                            return null
                        }
                        findAllowedParent(e, t) {
                            let i = e.parent;
                            for (; i; ) {
                                if (this.checkChild(i, t))
                                    return i;
                                if (this.isLimit(i))
                                    return null;
                                i = i.parent
                            }
                            return null
                        }
                        removeDisallowedAttributes(e, t) {
                            for (const i of e)
                                if (i.is("$text"))
                                    oc(this, i, t);
                                else {
                                    const e = oa._createIn(i).getPositions();
                                    for (const i of e) {
                                        oc(this, i.nodeBefore || i.parent, t)
                                    }
                                }
                        }
                        createContext(e) {
                            return new Ya(e)
                        }
                        _clearCache() {
                            this._compiledDefinitions = null
                        }
                        _compile() {
                            const e = {},
                            t = this._sourceDefinitions,
                            i = Object.keys(t);
                            for (const n of i)
                                e[n] = Ga(t[n], n);
                            for (const t of i)
                                Ka(e, t);
                            for (const t of i)
                                Qa(e, t);
                            for (const t of i)
                                Ja(e, t), Za(e, t);
                            for (const t of i)
                                Xa(e, t), ec(e, t);
                            this._compiledDefinitions = e
                        }
                        _checkContextMatch(e, t, i = t.length - 1) {
                            const n = t.getItem(i);
                            if (e.allowIn.includes(n.name)) {
                                if (0 == i)
                                    return !0; {
                                    const e = this.getDefinition(n);
                                    return this._checkContextMatch(e, t, i - 1)
                                }
                            }
                            return !1
                        }
                         * _getValidRangesForRange(e, t) {
                            let i = e.start,
                            n = e.start;
                            for (const o of e.getItems({
                                    shallow: !0
                                }))
                                o.is("element") && (yield * this._getValidRangesForRange(oa._createIn(o), t)), this.checkAttribute(o, t) || (i.isEqual(n) || (yield new oa(i, n)), i = ea._createAfter(o)), n = ea._createAfter(o);
                            i.isEqual(n) || (yield new oa(i, n))
                        }
                    }
                    Ke($a, Ue);
                    class Ya {
                        constructor(e) {
                            if (e instanceof Ya)
                                return e;
                            "string" == typeof e ? e = [e] : Array.isArray(e) || (e = e.getAncestors({
                                    includeSelf: !0
                                })),
                            this._items = e.map(nc)
                        }
                        get length() {
                            return this._items.length
                        }
                        get last() {
                            return this._items[this._items.length - 1]
                        }
                        [Symbol.iterator]() {
                            return this._items[Symbol.iterator]()
                        }
                        push(e) {
                            const t = new Ya([e]);
                            return t._items = [...this._items, ...t._items],
                            t
                        }
                        getItem(e) {
                            return this._items[e]
                        }
                         * getNames() {
                            yield * this._items.map(e => e.name)
                        }
                        endsWith(e) {
                            return Array.from(this.getNames()).join(" ").endsWith(e)
                        }
                        startsWith(e) {
                            return Array.from(this.getNames()).join(" ").startsWith(e)
                        }
                    }
                    function Ga(e, t) {
                        const i = {
                            name: t,
                            allowIn: [],
                            allowContentOf: [],
                            allowWhere: [],
                            allowAttributes: [],
                            allowAttributesOf: [],
                            inheritTypesFrom: []
                        };
                        return function (e, t) {
                            for (const i of e) {
                                const e = Object.keys(i).filter(e => e.startsWith("is"));
                                for (const n of e)
                                    t[n] = i[n]
                            }
                        }
                        (e, i),
                        tc(e, i, "allowIn"),
                        tc(e, i, "allowContentOf"),
                        tc(e, i, "allowWhere"),
                        tc(e, i, "allowAttributes"),
                        tc(e, i, "allowAttributesOf"),
                        tc(e, i, "inheritTypesFrom"),
                        function (e, t) {
                            for (const i of e) {
                                const e = i.inheritAllFrom;
                                e && (t.allowContentOf.push(e), t.allowWhere.push(e), t.allowAttributesOf.push(e), t.inheritTypesFrom.push(e))
                            }
                        }
                        (e, i),
                        i
                    }
                    function Ka(e, t) {
                        for (const i of e[t].allowContentOf)
                            if (e[i]) {
                                ic(e, i).forEach(e => {
                                    e.allowIn.push(t)
                                })
                            }
                        delete e[t].allowContentOf
                    }
                    function Qa(e, t) {
                        for (const i of e[t].allowWhere) {
                            const n = e[i];
                            if (n) {
                                const i = n.allowIn;
                                e[t].allowIn.push(...i)
                            }
                        }
                        delete e[t].allowWhere
                    }
                    function Ja(e, t) {
                        for (const i of e[t].allowAttributesOf) {
                            const n = e[i];
                            if (n) {
                                const i = n.allowAttributes;
                                e[t].allowAttributes.push(...i)
                            }
                        }
                        delete e[t].allowAttributesOf
                    }
                    function Za(e, t) {
                        const i = e[t];
                        for (const t of i.inheritTypesFrom) {
                            const n = e[t];
                            if (n) {
                                const e = Object.keys(n).filter(e => e.startsWith("is"));
                                for (const t of e)
                                    t in i || (i[t] = n[t])
                            }
                        }
                        delete i.inheritTypesFrom
                    }
                    function Xa(e, t) {
                        const i = e[t],
                        n = i.allowIn.filter(t => e[t]);
                        i.allowIn = Array.from(new Set(n))
                    }
                    function ec(e, t) {
                        const i = e[t];
                        i.allowAttributes = Array.from(new Set(i.allowAttributes))
                    }
                    function tc(e, t, i) {
                        for (const n of e)
                            "string" == typeof n[i] ? t[i].push(n[i]) : Array.isArray(n[i]) && t[i].push(...n[i])
                    }
                    function ic(e, t) {
                        const i = e[t];
                        return (n = e, Object.keys(n).map(e => n[e])).filter(e => e.allowIn.includes(i.name));
                        var n
                    }
                    function nc(e) {
                        return "string" == typeof e || e.is("documentFragment") ? {
                            name: "string" == typeof e ? e : "$documentFragment",
                             * getAttributeKeys() {},
                            getAttribute() {}
                        }
                         : {
                            name: e.is("element") ? e.name : "$text",
                             * getAttributeKeys() {
                                yield * e.getAttributeKeys()
                            },
                            getAttribute: t => e.getAttribute(t)
                        }
                    }
                    function oc(e, t, i) {
                        for (const n of t.getAttributeKeys())
                            e.checkAttribute(t, n) || i.removeAttribute(n, t)
                    }
                    class rc {
                        constructor(e = {}) {
                            this._splitParts = new Map,
                            this._cursorParents = new Map,
                            this._modelCursor = null,
                            this.conversionApi = Object.assign({}, e),
                            this.conversionApi.convertItem = this._convertItem.bind(this),
                            this.conversionApi.convertChildren = this._convertChildren.bind(this),
                            this.conversionApi.safeInsert = this._safeInsert.bind(this),
                            this.conversionApi.updateConversionResult = this._updateConversionResult.bind(this),
                            this.conversionApi.splitToAllowedParent = this._splitToAllowedParent.bind(this),
                            this.conversionApi.getSplitParts = this._getSplitParts.bind(this)
                        }
                        convert(e, t, i = ["$root"]) {
                            this.fire("viewCleanup", e),
                            this._modelCursor = function (e, t) {
                                let i;
                                for (const n of new Ya(e)) {
                                    const e = {};
                                    for (const t of n.getAttributeKeys())
                                        e[t] = n.getAttribute(t);
                                    const o = t.createElement(n.name, e);
                                    i && t.append(o, i),
                                    i = ea._createAt(o, 0)
                                }
                                return i
                            }
                            (i, t),
                            this.conversionApi.writer = t,
                            this.conversionApi.consumable = Wa.createFrom(e),
                            this.conversionApi.store = {};
                            const {
                                modelRange: n
                            } = this._convertItem(e, this._modelCursor),
                            o = t.createDocumentFragment();
                            if (n) {
                                this._removeEmptyElements();
                                for (const e of Array.from(this._modelCursor.parent.getChildren()))
                                    t.append(e, o);
                                o.markers = function (e, t) {
                                    const i = new Set,
                                    n = new Map,
                                    o = oa._createIn(e).getItems();
                                    for (const e of o)
                                        "$marker" == e.name && i.add(e);
                                    for (const e of i) {
                                        const i = e.getAttribute("data-name"),
                                        o = t.createPositionBefore(e);
                                        n.has(i) ? n.get(i).end = o.clone() : n.set(i, new oa(o.clone())),
                                        t.remove(e)
                                    }
                                    return n
                                }
                                (o, t)
                            }
                            return this._modelCursor = null,
                            this._splitParts.clear(),
                            this._cursorParents.clear(),
                            this.conversionApi.writer = null,
                            this.conversionApi.store = null,
                            o
                        }
                        _convertItem(e, t) {
                            const i = Object.assign({
                                viewItem: e,
                                modelCursor: t,
                                modelRange: null
                            });
                            if (e.is("element") ? this.fire("element:" + e.name, i, this.conversionApi) : e.is("$text") ? this.fire("text", i, this.conversionApi) : this.fire("documentFragment", i, this.conversionApi), i.modelRange && !(i.modelRange instanceof oa))
                                throw new c.a("view-conversion-dispatcher-incorrect-result", this);
                            return {
                                modelRange: i.modelRange,
                                modelCursor: i.modelCursor
                            }
                        }
                        _convertChildren(e, t) {
                            let i = t.is("position") ? t : ea._createAt(t, 0);
                            const n = new oa(i);
                            for (const t of Array.from(e.getChildren())) {
                                const e = this._convertItem(t, i);
                                e.modelRange instanceof oa && (n.end = e.modelRange.end, i = e.modelCursor)
                            }
                            return {
                                modelRange: n,
                                modelCursor: i
                            }
                        }
                        _safeInsert(e, t) {
                            const i = this._splitToAllowedParent(e, t);
                            return !!i && (this.conversionApi.writer.insert(e, i.position), !0)
                        }
                        _updateConversionResult(e, t) {
                            const i = this._getSplitParts(e),
                            n = this.conversionApi.writer;
                            t.modelRange || (t.modelRange = n.createRange(n.createPositionBefore(e), n.createPositionAfter(i[i.length - 1])));
                            const o = this._cursorParents.get(e);
                            t.modelCursor = o ? n.createPositionAt(o, 0) : t.modelRange.end
                        }
                        _splitToAllowedParent(e, t) {
                            const {
                                schema: i,
                                writer: n
                            } = this.conversionApi;
                            let o = i.findAllowedParent(t, e);
                            if (o) {
                                if (o === t.parent)
                                    return {
                                        position: t
                                    };
                                this._modelCursor.parent.getAncestors().includes(o) && (o = null)
                            }
                            if (!o)
                                return Ra(t, e, i) ? {
                                    position: Oa(t, n)
                                }
                             : null;
                            const r = this.conversionApi.writer.split(t, o),
                            s = [];
                            for (const e of r.range.getWalker())
                                if ("elementEnd" == e.type)
                                    s.push(e.item);
                                else {
                                    const t = s.pop(),
                                    i = e.item;
                                    this._registerSplitPair(t, i)
                                }
                            const a = r.range.end.parent;
                            return this._cursorParents.set(e, a), {
                                position: r.position,
                                cursorParent: a
                            }
                        }
                        _registerSplitPair(e, t) {
                            this._splitParts.has(e) || this._splitParts.set(e, [e]);
                            const i = this._splitParts.get(e);
                            this._splitParts.set(t, i),
                            i.push(t)
                        }
                        _getSplitParts(e) {
                            let t;
                            return t = this._splitParts.has(e) ? this._splitParts.get(e) : [e],
                            t
                        }
                        _removeEmptyElements() {
                            let e = !1;
                            for (const t of this._splitParts.keys())
                                t.isEmpty && (this.conversionApi.writer.remove(t), this._splitParts.delete(t), e = !0);
                            e && this._removeEmptyElements()
                        }
                    }
                    Ke(rc, u);
                    class sc {
                        getHtml(e) {
                            const t = document.implementation.createHTMLDocument("").createElement("div");
                            return t.appendChild(e),
                            t.innerHTML
                        }
                    }
                    class ac {
                        constructor(e) {
                            this._domParser = new DOMParser,
                            this._domConverter = new Tr(e, {
                                blockFillerMode: "nbsp"
                            }),
                            this._htmlWriter = new sc
                        }
                        toData(e) {
                            const t = this._domConverter.viewToDom(e, document);
                            return this._htmlWriter.getHtml(t)
                        }
                        toView(e) {
                            const t = this._toDom(e);
                            return this._domConverter.domToView(t)
                        }
                        registerRawContentMatcher(e) {
                            this._domConverter.registerRawContentMatcher(e)
                        }
                        useFillerType(e) {
                            this._domConverter.blockFillerMode = "marked" == e ? "markedNbsp" : "nbsp"
                        }
                        _toDom(e) {
                            const t = this._domParser.parseFromString(e, "text/html"),
                            i = t.createDocumentFragment(),
                            n = t.body.childNodes;
                            for (; n.length > 0; )
                                i.appendChild(n[0]);
                            return i
                        }
                    }
                    class cc {
                        constructor(e, t) {
                            this.model = e,
                            this.mapper = new ra,
                            this.downcastDispatcher = new ca({
                                mapper: this.mapper,
                                schema: e.schema
                            }),
                            this.downcastDispatcher.on("insert:$text", (e, t, i) => {
                                if (!i.consumable.consume(t.item, "insert"))
                                    return;
                                const n = i.writer,
                                o = i.mapper.toViewPosition(t.range.start),
                                r = n.createText(t.item.data);
                                n.insert(o, r)
                            }, {
                                priority: "lowest"
                            }),
                            this.upcastDispatcher = new rc({
                                schema: e.schema
                            }),
                            this.viewDocument = new vo(t),
                            this.stylesProcessor = t,
                            this.htmlProcessor = new ac(this.viewDocument),
                            this.processor = this.htmlProcessor,
                            this._viewWriter = new Wo(this.viewDocument),
                            this.upcastDispatcher.on("text", (e, t, {
                                    schema: i,
                                    consumable: n,
                                    writer: o
                                }) => {
                                let r = t.modelCursor;
                                if (!n.test(t.viewItem))
                                    return;
                                if (!i.checkChild(r, "$text")) {
                                    if (!Ra(r, "$text", i))
                                        return;
                                    r = Oa(r, o)
                                }
                                n.consume(t.viewItem);
                                const s = o.createText(t.viewItem.data);
                                o.insert(s, r),
                                t.modelRange = o.createRange(r, r.getShiftedBy(s.offsetSize)),
                                t.modelCursor = t.modelRange.end
                            }, {
                                priority: "lowest"
                            }),
                            this.upcastDispatcher.on("element", (e, t, i) => {
                                if (!t.modelRange && i.consumable.consume(t.viewItem, {
                                        name: !0
                                    })) {
                                    const {
                                        modelRange: e,
                                        modelCursor: n
                                    } = i.convertChildren(t.viewItem, t.modelCursor);
                                    t.modelRange = e,
                                    t.modelCursor = n
                                }
                            }, {
                                priority: "lowest"
                            }),
                            this.upcastDispatcher.on("documentFragment", (e, t, i) => {
                                if (!t.modelRange && i.consumable.consume(t.viewItem, {
                                        name: !0
                                    })) {
                                    const {
                                        modelRange: e,
                                        modelCursor: n
                                    } = i.convertChildren(t.viewItem, t.modelCursor);
                                    t.modelRange = e,
                                    t.modelCursor = n
                                }
                            }, {
                                priority: "lowest"
                            }),
                            this.decorate("init"),
                            this.decorate("set"),
                            this.on("init", () => {
                                this.fire("ready")
                            }, {
                                priority: "lowest"
                            }),
                            this.on("ready", () => {
                                this.model.enqueueChange("transparent", Na)
                            }, {
                                priority: "lowest"
                            })
                        }
                        get(e = {}) {
                            const {
                                rootName: t = "main",
                                trim: i = "empty"
                            } = e;
                            if (!this._checkIfRootsExists([t]))
                                throw new c.a("datacontroller-get-non-existent-root", this);
                            const n = this.model.document.getRoot(t);
                            return "empty" !== i || this.model.hasContent(n, {
                                ignoreWhitespaces: !0
                            }) ? this.stringify(n, e) : ""
                        }
                        stringify(e, t = {}) {
                            const i = this.toView(e, t);
                            return this.processor.toData(i)
                        }
                        toView(e, t = {}) {
                            const i = this.viewDocument,
                            n = this._viewWriter;
                            this.mapper.clearBindings();
                            const o = oa._createIn(e),
                            r = new Uo(i);
                            this.mapper.bindElements(e, r),
                            this.downcastDispatcher.conversionApi.options = t,
                            this.downcastDispatcher.convertInsert(o, n);
                            const s = e.is("documentFragment") ? Array.from(e.markers) : function (e) {
                                const t = [],
                                i = e.root.document;
                                if (!i)
                                    return [];
                                const n = oa._createIn(e);
                                for (const e of i.model.markers) {
                                    const i = n.getIntersection(e.getRange());
                                    i && t.push([e.name, i])
                                }
                                return t
                            }
                            (e);
                            for (const[e, t]of s)
                                this.downcastDispatcher.convertMarkerAdd(e, t, n);
                            return delete this.downcastDispatcher.conversionApi.options,
                            r
                        }
                        init(e) {
                            if (this.model.document.version)
                                throw new c.a("datacontroller-init-document-not-empty", this);
                            let t = {};
                            if ("string" == typeof e ? t.main = e : t = e, !this._checkIfRootsExists(Object.keys(t)))
                                throw new c.a("datacontroller-init-non-existent-root", this);
                            return this.model.enqueueChange("transparent", e => {
                                for (const i of Object.keys(t)) {
                                    const n = this.model.document.getRoot(i);
                                    e.insert(this.parse(t[i], n), n, 0)
                                }
                            }),
                            Promise.resolve()
                        }
                        set(e) {
                            let t = {};
                            if ("string" == typeof e ? t.main = e : t = e, !this._checkIfRootsExists(Object.keys(t)))
                                throw new c.a("datacontroller-set-non-existent-root", this);
                            this.model.enqueueChange("transparent", e => {
                                e.setSelection(null),
                                e.removeSelectionAttribute(this.model.document.selection.getAttributeKeys());
                                for (const i of Object.keys(t)) {
                                    const n = this.model.document.getRoot(i);
                                    e.remove(e.createRangeIn(n)),
                                    e.insert(this.parse(t[i], n), n, 0)
                                }
                            })
                        }
                        parse(e, t = "$root") {
                            const i = this.processor.toView(e);
                            return this.toModel(i, t)
                        }
                        toModel(e, t = "$root") {
                            return this.model.change(i => this.upcastDispatcher.convert(e, i, t))
                        }
                        addStyleProcessorRules(e) {
                            e(this.stylesProcessor)
                        }
                        registerRawContentMatcher(e) {
                            this.processor && this.processor !== this.htmlProcessor && this.processor.registerRawContentMatcher(e),
                            this.htmlProcessor.registerRawContentMatcher(e)
                        }
                        destroy() {
                            this.stopListening()
                        }
                        _checkIfRootsExists(e) {
                            for (const t of e)
                                if (!this.model.document.getRootNames().includes(t))
                                    return !1;
                            return !0
                        }
                    }
                    Ke(cc, Ue);
                    class lc {
                        constructor(e, t) {
                            this._helpers = new Map,
                            this._downcast = en(e),
                            this._createConversionHelpers({
                                name: "downcast",
                                dispatchers: this._downcast,
                                isDowncast: !0
                            }),
                            this._upcast = en(t),
                            this._createConversionHelpers({
                                name: "upcast",
                                dispatchers: this._upcast,
                                isDowncast: !1
                            })
                        }
                        addAlias(e, t) {
                            const i = this._downcast.includes(t);
                            if (!this._upcast.includes(t) && !i)
                                throw new c.a("conversion-add-alias-dispatcher-not-registered", this);
                            this._createConversionHelpers({
                                name: e,
                                dispatchers: [t],
                                isDowncast: i
                            })
                        }
                        for (e) {
                            if (!this._helpers.has(e))
                                throw new c.a("conversion-for-unknown-group", this);
                            return this._helpers.get(e)
                        }
                        elementToElement(e) {
                            this.for("downcast").elementToElement(e);
                            for (const {
                                model: t,
                                view: i
                            }
                                of dc(e))
                                this.for("upcast").elementToElement({
                                    model: t,
                                    view: i,
                                    converterPriority: e.converterPriority
                                })
                        }
                        attributeToElement(e) {
                            this.for("downcast").attributeToElement(e);
                            for (const {
                                model: t,
                                view: i
                            }
                                of dc(e))
                                this.for("upcast").elementToAttribute({
                                    view: i,
                                    model: t,
                                    converterPriority: e.converterPriority
                                })
                        }
                        attributeToAttribute(e) {
                            this.for("downcast").attributeToAttribute(e);
                            for (const {
                                model: t,
                                view: i
                            }
                                of dc(e))
                                this.for("upcast").attributeToAttribute({
                                    view: i,
                                    model: t
                                })
                        }
                        _createConversionHelpers({
                            name: e,
                            dispatchers: t,
                            isDowncast: i
                        }) {
                            if (this._helpers.has(e))
                                throw new c.a("conversion-group-exists", this);
                            const n = i ? new Ca(t) : new Da(t);
                            this._helpers.set(e, n)
                        }
                    }
                    function  * dc(e) {
                        if (e.model.values)
                            for (const t of e.model.values) {
                                const i = {
                                    key: e.model.key,
                                    value: t
                                },
                                n = e.view[t],
                                o = e.upcastAlso ? e.upcastAlso[t] : void 0;
                                yield * uc(i, n, o)
                            }
                        else
                            yield * uc(e.model, e.view, e.upcastAlso)
                    }
                    function  * uc(e, t, i) {
                        if (yield {
                            model: e,
                            view: t
                        }, i)
                            for (const t of en(i))
                                yield {
                                    model: e,
                                    view: t
                                }
                    }
                    class hc {
                        constructor(e = "default") {
                            this.operations = [],
                            this.type = e
                        }
                        get baseVersion() {
                            for (const e of this.operations)
                                if (null !== e.baseVersion)
                                    return e.baseVersion;
                            return null
                        }
                        addOperation(e) {
                            return e.batch = this,
                            this.operations.push(e),
                            e
                        }
                    }
                    class fc {
                        constructor(e) {
                            this.baseVersion = e,
                            this.isDocumentOperation = null !== this.baseVersion,
                            this.batch = null
                        }
                        _validate() {}
                        toJSON() {
                            const e = Object.assign({}, this);
                            return e.__className = this.constructor.className,
                            delete e.batch,
                            delete e.isDocumentOperation,
                            e
                        }
                        static get className() {
                            return "Operation"
                        }
                        static fromJSON(e) {
                            return new this(e.baseVersion)
                        }
                    }
                    class gc {
                        constructor(e) {
                            this.markers = new Map,
                            this._children = new Qs,
                            e && this._insertChild(0, e)
                        }
                        [Symbol.iterator]() {
                            return this.getChildren()
                        }
                        get childCount() {
                            return this._children.length
                        }
                        get maxOffset() {
                            return this._children.maxOffset
                        }
                        get isEmpty() {
                            return 0 === this.childCount
                        }
                        get root() {
                            return this
                        }
                        get parent() {
                            return null
                        }
                        is(e) {
                            return "documentFragment" === e || "model:documentFragment" === e
                        }
                        getChild(e) {
                            return this._children.getNode(e)
                        }
                        getChildren() {
                            return this._children[Symbol.iterator]()
                        }
                        getChildIndex(e) {
                            return this._children.getNodeIndex(e)
                        }
                        getChildStartOffset(e) {
                            return this._children.getNodeStartOffset(e)
                        }
                        getPath() {
                            return []
                        }
                        getNodeByPath(e) {
                            let t = this;
                            for (const i of e)
                                t = t.getChild(t.offsetToIndex(i));
                            return t
                        }
                        offsetToIndex(e) {
                            return this._children.offsetToIndex(e)
                        }
                        toJSON() {
                            const e = [];
                            for (const t of this._children)
                                e.push(t.toJSON());
                            return e
                        }
                        static fromJSON(e) {
                            const t = [];
                            for (const i of e)
                                i.name ? t.push(Js.fromJSON(i)) : t.push(Gs.fromJSON(i));
                            return new gc(t)
                        }
                        _appendChild(e) {
                            this._insertChild(this.childCount, e)
                        }
                        _insertChild(e, t) {
                            const i = function (e) {
                                if ("string" == typeof e)
                                    return [new Gs(e)];
                                Ji(e) || (e = [e]);
                                return Array.from(e).map(e => "string" == typeof e ? new Gs(e) : e instanceof Ks ? new Gs(e.data, e.getAttributes()) : e)
                            }
                            (t);
                            for (const e of i)
                                null !== e.parent && e._remove(), e.parent = this;
                            this._children._insertNodes(e, i)
                        }
                        _removeChildren(e, t = 1) {
                            const i = this._children._removeNodes(e, t);
                            for (const e of i)
                                e.parent = null;
                            return i
                        }
                    }
                    function mc(e, t) {
                        const i = (t = wc(t)).reduce((e, t) => e + t.offsetSize, 0),
                        n = e.parent;
                        _c(e);
                        const o = e.index;
                        return n._insertChild(o, t),
                        kc(n, o + t.length),
                        kc(n, o),
                        new oa(e, e.getShiftedBy(i))
                    }
                    function pc(e) {
                        if (!e.isFlat)
                            throw new c.a("operation-utils-remove-range-not-flat", this);
                        const t = e.start.parent;
                        _c(e.start),
                        _c(e.end);
                        const i = t._removeChildren(e.start.index, e.end.index - e.start.index);
                        return kc(t, e.start.index),
                        i
                    }
                    function bc(e, t) {
                        if (!e.isFlat)
                            throw new c.a("operation-utils-move-range-not-flat", this);
                        const i = pc(e);
                        return mc(t = t._getTransformedByDeletion(e.start, e.end.offset - e.start.offset), i)
                    }
                    function wc(e) {
                        const t = [];
                        e instanceof Array || (e = [e]);
                        for (let i = 0; i < e.length; i++)
                            if ("string" == typeof e[i])
                                t.push(new Gs(e[i]));
                            else if (e[i]instanceof Ks)
                                t.push(new Gs(e[i].data, e[i].getAttributes()));
                            else if (e[i]instanceof gc || e[i]instanceof Qs)
                                for (const n of e[i])
                                    t.push(n);
                            else
                                e[i]instanceof Ys && t.push(e[i]);
                        for (let e = 1; e < t.length; e++) {
                            const i = t[e],
                            n = t[e - 1];
                            i instanceof Gs && n instanceof Gs && vc(i, n) && (t.splice(e - 1, 2, new Gs(n.data + i.data, n.getAttributes())), e--)
                        }
                        return t
                    }
                    function kc(e, t) {
                        const i = e.getChild(t - 1),
                        n = e.getChild(t);
                        if (i && n && i.is("$text") && n.is("$text") && vc(i, n)) {
                            const o = new Gs(i.data + n.data, i.getAttributes());
                            e._removeChildren(t - 1, 2),
                            e._insertChild(t - 1, o)
                        }
                    }
                    function _c(e) {
                        const t = e.textNode,
                        i = e.parent;
                        if (t) {
                            const n = e.offset - t.startOffset,
                            o = t.index;
                            i._removeChildren(o, 1);
                            const r = new Gs(t.data.substr(0, n), t.getAttributes()),
                            s = new Gs(t.data.substr(n), t.getAttributes());
                            i._insertChild(o, [r, s])
                        }
                    }
                    function vc(e, t) {
                        const i = e.getAttributes(),
                        n = t.getAttributes();
                        for (const e of i) {
                            if (e[1] !== t.getAttribute(e[0]))
                                return !1;
                            n.next()
                        }
                        return n.next().done
                    }
                    var yc = function (e, t) {
                        return Jr(e, t)
                    };
                    class xc extends fc {
                        constructor(e, t, i, n, o) {
                            super(o),
                            this.range = e.clone(),
                            this.key = t,
                            this.oldValue = void 0 === i ? null : i,
                            this.newValue = void 0 === n ? null : n
                        }
                        get type() {
                            return null === this.oldValue ? "addAttribute" : null === this.newValue ? "removeAttribute" : "changeAttribute"
                        }
                        clone() {
                            return new xc(this.range, this.key, this.oldValue, this.newValue, this.baseVersion)
                        }
                        getReversed() {
                            return new xc(this.range, this.key, this.newValue, this.oldValue, this.baseVersion + 1)
                        }
                        toJSON() {
                            const e = super.toJSON();
                            return e.range = this.range.toJSON(),
                            e
                        }
                        _validate() {
                            if (!this.range.isFlat)
                                throw new c.a("attribute-operation-range-not-flat", this);
                            for (const e of this.range.getItems({
                                    shallow: !0
                                })) {
                                if (null !== this.oldValue && !yc(e.getAttribute(this.key), this.oldValue))
                                    throw new c.a("attribute-operation-wrong-old-value", this, {
                                        item: e,
                                        key: this.key,
                                        value: this.oldValue
                                    });
                                if (null === this.oldValue && null !== this.newValue && e.hasAttribute(this.key))
                                    throw new c.a("attribute-operation-attribute-exists", this, {
                                        node: e,
                                        key: this.key
                                    })
                            }
                        }
                        _execute() {
                            yc(this.oldValue, this.newValue) || function (e, t, i) {
                                _c(e.start),
                                _c(e.end);
                                for (const n of e.getItems({
                                        shallow: !0
                                    })) {
                                    const e = n.is("$textProxy") ? n.textNode : n;
                                    null !== i ? e._setAttribute(t, i) : e._removeAttribute(t),
                                    kc(e.parent, e.index)
                                }
                                kc(e.end.parent, e.end.index)
                            }
                            (this.range, this.key, this.newValue)
                        }
                        static get className() {
                            return "AttributeOperation"
                        }
                        static fromJSON(e, t) {
                            return new xc(oa.fromJSON(e.range, t), e.key, e.oldValue, e.newValue, e.baseVersion)
                        }
                    }
                    class Ac extends fc {
                        constructor(e, t) {
                            super(null),
                            this.sourcePosition = e.clone(),
                            this.howMany = t
                        }
                        get type() {
                            return "detach"
                        }
                        toJSON() {
                            const e = super.toJSON();
                            return e.sourcePosition = this.sourcePosition.toJSON(),
                            e
                        }
                        _validate() {
                            if (this.sourcePosition.root.document)
                                throw new c.a("detach-operation-on-document-node", this)
                        }
                        _execute() {
                            pc(oa._createFromPositionAndShift(this.sourcePosition, this.howMany))
                        }
                        static get className() {
                            return "DetachOperation"
                        }
                    }
                    class Cc extends fc {
                        constructor(e, t, i, n) {
                            super(n),
                            this.sourcePosition = e.clone(),
                            this.sourcePosition.stickiness = "toNext",
                            this.howMany = t,
                            this.targetPosition = i.clone(),
                            this.targetPosition.stickiness = "toNone"
                        }
                        get type() {
                            return "$graveyard" == this.targetPosition.root.rootName ? "remove" : "$graveyard" == this.sourcePosition.root.rootName ? "reinsert" : "move"
                        }
                        clone() {
                            return new this.constructor(this.sourcePosition, this.howMany, this.targetPosition, this.baseVersion)
                        }
                        getMovedRangeStart() {
                            return this.targetPosition._getTransformedByDeletion(this.sourcePosition, this.howMany)
                        }
                        getReversed() {
                            const e = this.sourcePosition._getTransformedByInsertion(this.targetPosition, this.howMany);
                            return new this.constructor(this.getMovedRangeStart(), this.howMany, e, this.baseVersion + 1)
                        }
                        _validate() {
                            const e = this.sourcePosition.parent,
                            t = this.targetPosition.parent,
                            i = this.sourcePosition.offset,
                            n = this.targetPosition.offset;
                            if (i + this.howMany > e.maxOffset)
                                throw new c.a("move-operation-nodes-do-not-exist", this);
                            if (e === t && i < n && n < i + this.howMany)
                                throw new c.a("move-operation-range-into-itself", this);
                            if (this.sourcePosition.root == this.targetPosition.root && "prefix" == cn(this.sourcePosition.getParentPath(), this.targetPosition.getParentPath())) {
                                const e = this.sourcePosition.path.length - 1;
                                if (this.targetPosition.path[e] >= i && this.targetPosition.path[e] < i + this.howMany)
                                    throw new c.a("move-operation-node-into-itself", this)
                            }
                        }
                        _execute() {
                            bc(oa._createFromPositionAndShift(this.sourcePosition, this.howMany), this.targetPosition)
                        }
                        toJSON() {
                            const e = super.toJSON();
                            return e.sourcePosition = this.sourcePosition.toJSON(),
                            e.targetPosition = this.targetPosition.toJSON(),
                            e
                        }
                        static get className() {
                            return "MoveOperation"
                        }
                        static fromJSON(e, t) {
                            const i = ea.fromJSON(e.sourcePosition, t),
                            n = ea.fromJSON(e.targetPosition, t);
                            return new this(i, e.howMany, n, e.baseVersion)
                        }
                    }
                    class Tc extends fc {
                        constructor(e, t, i) {
                            super(i),
                            this.position = e.clone(),
                            this.position.stickiness = "toNone",
                            this.nodes = new Qs(wc(t)),
                            this.shouldReceiveAttributes = !1
                        }
                        get type() {
                            return "insert"
                        }
                        get howMany() {
                            return this.nodes.maxOffset
                        }
                        clone() {
                            const e = new Qs([...this.nodes].map(e => e._clone(!0))),
                            t = new Tc(this.position, e, this.baseVersion);
                            return t.shouldReceiveAttributes = this.shouldReceiveAttributes,
                            t
                        }
                        getReversed() {
                            const e = this.position.root.document.graveyard,
                            t = new ea(e, [0]);
                            return new Cc(this.position, this.nodes.maxOffset, t, this.baseVersion + 1)
                        }
                        _validate() {
                            const e = this.position.parent;
                            if (!e || e.maxOffset < this.position.offset)
                                throw new c.a("insert-operation-position-invalid", this)
                        }
                        _execute() {
                            const e = this.nodes;
                            this.nodes = new Qs([...e].map(e => e._clone(!0))),
                            mc(this.position, e)
                        }
                        toJSON() {
                            const e = super.toJSON();
                            return e.position = this.position.toJSON(),
                            e.nodes = this.nodes.toJSON(),
                            e
                        }
                        static get className() {
                            return "InsertOperation"
                        }
                        static fromJSON(e, t) {
                            const i = [];
                            for (const t of e.nodes)
                                t.name ? i.push(Js.fromJSON(t)) : i.push(Gs.fromJSON(t));
                            const n = new Tc(ea.fromJSON(e.position, t), i, e.baseVersion);
                            return n.shouldReceiveAttributes = e.shouldReceiveAttributes,
                            n
                        }
                    }
                    class Ec extends fc {
                        constructor(e, t, i, n, o, r) {
                            super(r),
                            this.name = e,
                            this.oldRange = t ? t.clone() : null,
                            this.newRange = i ? i.clone() : null,
                            this.affectsData = o,
                            this._markers = n
                        }
                        get type() {
                            return "marker"
                        }
                        clone() {
                            return new Ec(this.name, this.oldRange, this.newRange, this._markers, this.affectsData, this.baseVersion)
                        }
                        getReversed() {
                            return new Ec(this.name, this.newRange, this.oldRange, this._markers, this.affectsData, this.baseVersion + 1)
                        }
                        _execute() {
                            const e = this.newRange ? "_set" : "_remove";
                            this._markers[e](this.name, this.newRange, !0, this.affectsData)
                        }
                        toJSON() {
                            const e = super.toJSON();
                            return this.oldRange && (e.oldRange = this.oldRange.toJSON()),
                            this.newRange && (e.newRange = this.newRange.toJSON()),
                            delete e._markers,
                            e
                        }
                        static get className() {
                            return "MarkerOperation"
                        }
                        static fromJSON(e, t) {
                            return new Ec(e.name, e.oldRange ? oa.fromJSON(e.oldRange, t) : null, e.newRange ? oa.fromJSON(e.newRange, t) : null, t.model.markers, e.affectsData, e.baseVersion)
                        }
                    }
                    class Pc extends fc {
                        constructor(e, t, i, n) {
                            super(n),
                            this.position = e,
                            this.position.stickiness = "toNext",
                            this.oldName = t,
                            this.newName = i
                        }
                        get type() {
                            return "rename"
                        }
                        clone() {
                            return new Pc(this.position.clone(), this.oldName, this.newName, this.baseVersion)
                        }
                        getReversed() {
                            return new Pc(this.position.clone(), this.newName, this.oldName, this.baseVersion + 1)
                        }
                        _validate() {
                            const e = this.position.nodeAfter;
                            if (!(e instanceof Js))
                                throw new c.a("rename-operation-wrong-position", this);
                            if (e.name !== this.oldName)
                                throw new c.a("rename-operation-wrong-name", this)
                        }
                        _execute() {
                            this.position.nodeAfter.name = this.newName
                        }
                        toJSON() {
                            const e = super.toJSON();
                            return e.position = this.position.toJSON(),
                            e
                        }
                        static get className() {
                            return "RenameOperation"
                        }
                        static fromJSON(e, t) {
                            return new Pc(ea.fromJSON(e.position, t), e.oldName, e.newName, e.baseVersion)
                        }
                    }
                    class Sc extends fc {
                        constructor(e, t, i, n, o) {
                            super(o),
                            this.root = e,
                            this.key = t,
                            this.oldValue = i,
                            this.newValue = n
                        }
                        get type() {
                            return null === this.oldValue ? "addRootAttribute" : null === this.newValue ? "removeRootAttribute" : "changeRootAttribute"
                        }
                        clone() {
                            return new Sc(this.root, this.key, this.oldValue, this.newValue, this.baseVersion)
                        }
                        getReversed() {
                            return new Sc(this.root, this.key, this.newValue, this.oldValue, this.baseVersion + 1)
                        }
                        _validate() {
                            if (this.root != this.root.root || this.root.is("documentFragment"))
                                throw new c.a("rootattribute-operation-not-a-root", this, {
                                    root: this.root,
                                    key: this.key
                                });
                            if (null !== this.oldValue && this.root.getAttribute(this.key) !== this.oldValue)
                                throw new c.a("rootattribute-operation-wrong-old-value", this, {
                                    root: this.root,
                                    key: this.key
                                });
                            if (null === this.oldValue && null !== this.newValue && this.root.hasAttribute(this.key))
                                throw new c.a("rootattribute-operation-attribute-exists", this, {
                                    root: this.root,
                                    key: this.key
                                })
                        }
                        _execute() {
                            null !== this.newValue ? this.root._setAttribute(this.key, this.newValue) : this.root._removeAttribute(this.key)
                        }
                        toJSON() {
                            const e = super.toJSON();
                            return e.root = this.root.toJSON(),
                            e
                        }
                        static get className() {
                            return "RootAttributeOperation"
                        }
                        static fromJSON(e, t) {
                            if (!t.getRoot(e.root))
                                throw new c.a("rootattribute-operation-fromjson-no-root", this, {
                                    rootName: e.root
                                });
                            return new Sc(t.getRoot(e.root), e.key, e.oldValue, e.newValue, e.baseVersion)
                        }
                    }
                    class Mc extends fc {
                        constructor(e, t, i, n, o) {
                            super(o),
                            this.sourcePosition = e.clone(),
                            this.sourcePosition.stickiness = "toPrevious",
                            this.howMany = t,
                            this.targetPosition = i.clone(),
                            this.targetPosition.stickiness = "toNext",
                            this.graveyardPosition = n.clone()
                        }
                        get type() {
                            return "merge"
                        }
                        get deletionPosition() {
                            return new ea(this.sourcePosition.root, this.sourcePosition.path.slice(0, -1))
                        }
                        get movedRange() {
                            const e = this.sourcePosition.getShiftedBy(Number.POSITIVE_INFINITY);
                            return new oa(this.sourcePosition, e)
                        }
                        clone() {
                            return new this.constructor(this.sourcePosition, this.howMany, this.targetPosition, this.graveyardPosition, this.baseVersion)
                        }
                        getReversed() {
                            const e = this.targetPosition._getTransformedByMergeOperation(this),
                            t = this.sourcePosition.path.slice(0, -1),
                            i = new ea(this.sourcePosition.root, t)._getTransformedByMergeOperation(this);
                            return new Ic(e, this.howMany, i, this.graveyardPosition, this.baseVersion + 1)
                        }
                        _validate() {
                            const e = this.sourcePosition.parent,
                            t = this.targetPosition.parent;
                            if (!e.parent)
                                throw new c.a("merge-operation-source-position-invalid", this);
                            if (!t.parent)
                                throw new c.a("merge-operation-target-position-invalid", this);
                            if (this.howMany != e.maxOffset)
                                throw new c.a("merge-operation-how-many-invalid", this)
                        }
                        _execute() {
                            const e = this.sourcePosition.parent;
                            bc(oa._createIn(e), this.targetPosition),
                            bc(oa._createOn(e), this.graveyardPosition)
                        }
                        toJSON() {
                            const e = super.toJSON();
                            return e.sourcePosition = e.sourcePosition.toJSON(),
                            e.targetPosition = e.targetPosition.toJSON(),
                            e.graveyardPosition = e.graveyardPosition.toJSON(),
                            e
                        }
                        static get className() {
                            return "MergeOperation"
                        }
                        static fromJSON(e, t) {
                            const i = ea.fromJSON(e.sourcePosition, t),
                            n = ea.fromJSON(e.targetPosition, t),
                            o = ea.fromJSON(e.graveyardPosition, t);
                            return new this(i, e.howMany, n, o, e.baseVersion)
                        }
                    }
                    class Ic extends fc {
                        constructor(e, t, i, n, o) {
                            super(o),
                            this.splitPosition = e.clone(),
                            this.splitPosition.stickiness = "toNext",
                            this.howMany = t,
                            this.insertionPosition = i,
                            this.graveyardPosition = n ? n.clone() : null,
                            this.graveyardPosition && (this.graveyardPosition.stickiness = "toNext")
                        }
                        get type() {
                            return "split"
                        }
                        get moveTargetPosition() {
                            const e = this.insertionPosition.path.slice();
                            return e.push(0),
                            new ea(this.insertionPosition.root, e)
                        }
                        get movedRange() {
                            const e = this.splitPosition.getShiftedBy(Number.POSITIVE_INFINITY);
                            return new oa(this.splitPosition, e)
                        }
                        clone() {
                            return new this.constructor(this.splitPosition, this.howMany, this.insertionPosition, this.graveyardPosition, this.baseVersion)
                        }
                        getReversed() {
                            const e = this.splitPosition.root.document.graveyard,
                            t = new ea(e, [0]);
                            return new Mc(this.moveTargetPosition, this.howMany, this.splitPosition, t, this.baseVersion + 1)
                        }
                        _validate() {
                            const e = this.splitPosition.parent,
                            t = this.splitPosition.offset;
                            if (!e || e.maxOffset < t)
                                throw new c.a("split-operation-position-invalid", this);
                            if (!e.parent)
                                throw new c.a("split-operation-split-in-root", this);
                            if (this.howMany != e.maxOffset - this.splitPosition.offset)
                                throw new c.a("split-operation-how-many-invalid", this);
                            if (this.graveyardPosition && !this.graveyardPosition.nodeAfter)
                                throw new c.a("split-operation-graveyard-position-invalid", this)
                        }
                        _execute() {
                            const e = this.splitPosition.parent;
                            if (this.graveyardPosition)
                                bc(oa._createFromPositionAndShift(this.graveyardPosition, 1), this.insertionPosition);
                            else {
                                const t = e._clone();
                                mc(this.insertionPosition, t)
                            }
                            bc(new oa(ea._createAt(e, this.splitPosition.offset), ea._createAt(e, e.maxOffset)), this.moveTargetPosition)
                        }
                        toJSON() {
                            const e = super.toJSON();
                            return e.splitPosition = this.splitPosition.toJSON(),
                            e.insertionPosition = this.insertionPosition.toJSON(),
                            this.graveyardPosition && (e.graveyardPosition = this.graveyardPosition.toJSON()),
                            e
                        }
                        static get className() {
                            return "SplitOperation"
                        }
                        static getInsertionPosition(e) {
                            const t = e.path.slice(0, -1);
                            return t[t.length - 1]++,
                            new ea(e.root, t, "toPrevious")
                        }
                        static fromJSON(e, t) {
                            const i = ea.fromJSON(e.splitPosition, t),
                            n = ea.fromJSON(e.insertionPosition, t),
                            o = e.graveyardPosition ? ea.fromJSON(e.graveyardPosition, t) : null;
                            return new this(i, e.howMany, n, o, e.baseVersion)
                        }
                    }
                    class Nc extends Js {
                        constructor(e, t, i = "main") {
                            super(t),
                            this._document = e,
                            this.rootName = i
                        }
                        get document() {
                            return this._document
                        }
                        is(e, t) {
                            return t ? t === this.name && ("rootElement" === e || "model:rootElement" === e || "element" === e || "model:element" === e) : "rootElement" === e || "model:rootElement" === e || "element" === e || "model:element" === e || "node" === e || "model:node" === e
                        }
                        toJSON() {
                            return this.rootName
                        }
                    }
                    class Rc {
                        constructor(e, t) {
                            this.model = e,
                            this.batch = t
                        }
                        createText(e, t) {
                            return new Gs(e, t)
                        }
                        createElement(e, t) {
                            return new Js(e, t)
                        }
                        createDocumentFragment() {
                            return new gc
                        }
                        cloneElement(e, t = !0) {
                            return e._clone(t)
                        }
                        insert(e, t, i = 0) {
                            if (this._assertWriterUsedCorrectly(), e instanceof Gs && "" == e.data)
                                return;
                            const n = ea._createAt(t, i);
                            if (e.parent) {
                                if (Vc(e.root, n.root))
                                    return void this.move(oa._createOn(e), n);
                                if (e.root.document)
                                    throw new c.a("model-writer-insert-forbidden-move", this);
                                this.remove(e)
                            }
                            const o = n.root.document ? n.root.document.version : null,
                            r = new Tc(n, e, o);
                            if (e instanceof Gs && (r.shouldReceiveAttributes = !0), this.batch.addOperation(r), this.model.applyOperation(r), e instanceof gc)
                                for (const[t, i]of e.markers) {
                                    const e = ea._createAt(i.root, 0),
                                    o = {
                                        range: new oa(i.start._getCombined(e, n), i.end._getCombined(e, n)),
                                        usingOperation: !0,
                                        affectsData: !0
                                    };
                                    this.model.markers.has(t) ? this.updateMarker(t, o) : this.addMarker(t, o)
                                }
                        }
                        insertText(e, t, i, n) {
                            t instanceof gc || t instanceof Js || t instanceof ea ? this.insert(this.createText(e), t, i) : this.insert(this.createText(e, t), i, n)
                        }
                        insertElement(e, t, i, n) {
                            t instanceof gc || t instanceof Js || t instanceof ea ? this.insert(this.createElement(e), t, i) : this.insert(this.createElement(e, t), i, n)
                        }
                        append(e, t) {
                            this.insert(e, t, "end")
                        }
                        appendText(e, t, i) {
                            t instanceof gc || t instanceof Js ? this.insert(this.createText(e), t, "end") : this.insert(this.createText(e, t), i, "end")
                        }
                        appendElement(e, t, i) {
                            t instanceof gc || t instanceof Js ? this.insert(this.createElement(e), t, "end") : this.insert(this.createElement(e, t), i, "end")
                        }
                        setAttribute(e, t, i) {
                            if (this._assertWriterUsedCorrectly(), i instanceof oa) {
                                const n = i.getMinimalFlatRanges();
                                for (const i of n)
                                    Oc(this, e, t, i)
                            } else
                                Dc(this, e, t, i)
                        }
                        setAttributes(e, t) {
                            for (const[i, n]of fn(e))
                                this.setAttribute(i, n, t)
                        }
                        removeAttribute(e, t) {
                            if (this._assertWriterUsedCorrectly(), t instanceof oa) {
                                const i = t.getMinimalFlatRanges();
                                for (const t of i)
                                    Oc(this, e, null, t)
                            } else
                                Dc(this, e, null, t)
                        }
                        clearAttributes(e) {
                            this._assertWriterUsedCorrectly();
                            const t = e => {
                                for (const t of e.getAttributeKeys())
                                    this.removeAttribute(t, e)
                            };
                            if (e instanceof oa)
                                for (const i of e.getItems())
                                    t(i);
                            else
                                t(e)
                        }
                        move(e, t, i) {
                            if (this._assertWriterUsedCorrectly(), !(e instanceof oa))
                                throw new c.a("writer-move-invalid-range", this);
                            if (!e.isFlat)
                                throw new c.a("writer-move-range-not-flat", this);
                            const n = ea._createAt(t, i);
                            if (n.isEqual(e.start))
                                return;
                            if (this._addOperationForAffectedMarkers("move", e), !Vc(e.root, n.root))
                                throw new c.a("writer-move-different-document", this);
                            const o = e.root.document ? e.root.document.version : null,
                            r = new Cc(e.start, e.end.offset - e.start.offset, n, o);
                            this.batch.addOperation(r),
                            this.model.applyOperation(r)
                        }
                        remove(e) {
                            this._assertWriterUsedCorrectly();
                            const t = (e instanceof oa ? e : oa._createOn(e)).getMinimalFlatRanges().reverse();
                            for (const e of t)
                                this._addOperationForAffectedMarkers("move", e), zc(e.start, e.end.offset - e.start.offset, this.batch, this.model)
                        }
                        merge(e) {
                            this._assertWriterUsedCorrectly();
                            const t = e.nodeBefore,
                            i = e.nodeAfter;
                            if (this._addOperationForAffectedMarkers("merge", e), !(t instanceof Js))
                                throw new c.a("writer-merge-no-element-before", this);
                            if (!(i instanceof Js))
                                throw new c.a("writer-merge-no-element-after", this);
                            e.root.document ? this._merge(e) : this._mergeDetached(e)
                        }
                        createPositionFromPath(e, t, i) {
                            return this.model.createPositionFromPath(e, t, i)
                        }
                        createPositionAt(e, t) {
                            return this.model.createPositionAt(e, t)
                        }
                        createPositionAfter(e) {
                            return this.model.createPositionAfter(e)
                        }
                        createPositionBefore(e) {
                            return this.model.createPositionBefore(e)
                        }
                        createRange(e, t) {
                            return this.model.createRange(e, t)
                        }
                        createRangeIn(e) {
                            return this.model.createRangeIn(e)
                        }
                        createRangeOn(e) {
                            return this.model.createRangeOn(e)
                        }
                        createSelection(e, t, i) {
                            return this.model.createSelection(e, t, i)
                        }
                        _mergeDetached(e) {
                            const t = e.nodeBefore,
                            i = e.nodeAfter;
                            this.move(oa._createIn(i), ea._createAt(t, "end")),
                            this.remove(i)
                        }
                        _merge(e) {
                            const t = ea._createAt(e.nodeBefore, "end"),
                            i = ea._createAt(e.nodeAfter, 0),
                            n = e.root.document.graveyard,
                            o = new ea(n, [0]),
                            r = e.root.document.version,
                            s = new Mc(i, e.nodeAfter.maxOffset, t, o, r);
                            this.batch.addOperation(s),
                            this.model.applyOperation(s)
                        }
                        rename(e, t) {
                            if (this._assertWriterUsedCorrectly(), !(e instanceof Js))
                                throw new c.a("writer-rename-not-element-instance", this);
                            const i = e.root.document ? e.root.document.version : null,
                            n = new Pc(ea._createBefore(e), e.name, t, i);
                            this.batch.addOperation(n),
                            this.model.applyOperation(n)
                        }
                        split(e, t) {
                            this._assertWriterUsedCorrectly();
                            let i,
                            n,
                            o = e.parent;
                            if (!o.parent)
                                throw new c.a("writer-split-element-no-parent", this);
                            if (t || (t = o.parent), !e.parent.getAncestors({
                                    includeSelf: !0
                                }).includes(t))
                                throw new c.a("writer-split-invalid-limit-element", this);
                            do {
                                const t = o.root.document ? o.root.document.version : null,
                                r = o.maxOffset - e.offset,
                                s = Ic.getInsertionPosition(e),
                                a = new Ic(e, r, s, null, t);
                                this.batch.addOperation(a),
                                this.model.applyOperation(a),
                                i || n || (i = o, n = e.parent.nextSibling),
                                o = (e = this.createPositionAfter(e.parent)).parent
                            } while (o !== t);
                            return {
                                position: e,
                                range: new oa(ea._createAt(i, "end"), ea._createAt(n, 0))
                            }
                        }
                        wrap(e, t) {
                            if (this._assertWriterUsedCorrectly(), !e.isFlat)
                                throw new c.a("writer-wrap-range-not-flat", this);
                            const i = t instanceof Js ? t : new Js(t);
                            if (i.childCount > 0)
                                throw new c.a("writer-wrap-element-not-empty", this);
                            if (null !== i.parent)
                                throw new c.a("writer-wrap-element-attached", this);
                            this.insert(i, e.start);
                            const n = new oa(e.start.getShiftedBy(1), e.end.getShiftedBy(1));
                            this.move(n, ea._createAt(i, 0))
                        }
                        unwrap(e) {
                            if (this._assertWriterUsedCorrectly(), null === e.parent)
                                throw new c.a("writer-unwrap-element-no-parent", this);
                            this.move(oa._createIn(e), this.createPositionAfter(e)),
                            this.remove(e)
                        }
                        addMarker(e, t) {
                            if (this._assertWriterUsedCorrectly(), !t || "boolean" != typeof t.usingOperation)
                                throw new c.a("writer-addmarker-no-usingoperation", this);
                            const i = t.usingOperation,
                            n = t.range,
                            o = void 0 !== t.affectsData && t.affectsData;
                            if (this.model.markers.has(e))
                                throw new c.a("writer-addmarker-marker-exists", this);
                            if (!n)
                                throw new c.a("writer-addmarker-no-range", this);
                            return i ? (Lc(this, e, null, n, o), this.model.markers.get(e)) : this.model.markers._set(e, n, i, o)
                        }
                        updateMarker(e, t) {
                            this._assertWriterUsedCorrectly();
                            const i = "string" == typeof e ? e : e.name,
                            n = this.model.markers.get(i);
                            if (!n)
                                throw new c.a("writer-updatemarker-marker-not-exists", this);
                            if (!t)
                                return void this.model.markers._refresh(n);
                            const o = "boolean" == typeof t.usingOperation,
                            r = "boolean" == typeof t.affectsData,
                            s = r ? t.affectsData : n.affectsData;
                            if (!o && !t.range && !r)
                                throw new c.a("writer-updatemarker-wrong-options", this);
                            const a = n.getRange(),
                            l = t.range ? t.range : a;
                            o && t.usingOperation !== n.managedUsingOperations ? t.usingOperation ? Lc(this, i, null, l, s) : (Lc(this, i, a, null, s), this.model.markers._set(i, l, void 0, s)) : n.managedUsingOperations ? Lc(this, i, a, l, s) : this.model.markers._set(i, l, void 0, s)
                        }
                        removeMarker(e) {
                            this._assertWriterUsedCorrectly();
                            const t = "string" == typeof e ? e : e.name;
                            if (!this.model.markers.has(t))
                                throw new c.a("writer-removemarker-no-marker", this);
                            const i = this.model.markers.get(t);
                            if (!i.managedUsingOperations)
                                return void this.model.markers._remove(t);
                            Lc(this, t, i.getRange(), null, i.affectsData)
                        }
                        setSelection(e, t, i) {
                            this._assertWriterUsedCorrectly(),
                            this.model.document.selection._setTo(e, t, i)
                        }
                        setSelectionFocus(e, t) {
                            this._assertWriterUsedCorrectly(),
                            this.model.document.selection._setFocus(e, t)
                        }
                        setSelectionAttribute(e, t) {
                            if (this._assertWriterUsedCorrectly(), "string" == typeof e)
                                this._setSelectionAttribute(e, t);
                            else
                                for (const[t, i]of fn(e))
                                    this._setSelectionAttribute(t, i)
                        }
                        removeSelectionAttribute(e) {
                            if (this._assertWriterUsedCorrectly(), "string" == typeof e)
                                this._removeSelectionAttribute(e);
                            else
                                for (const t of e)
                                    this._removeSelectionAttribute(t)
                        }
                        overrideSelectionGravity() {
                            return this.model.document.selection._overrideGravity()
                        }
                        restoreSelectionGravity(e) {
                            this.model.document.selection._restoreGravity(e)
                        }
                        _setSelectionAttribute(e, t) {
                            const i = this.model.document.selection;
                            if (i.isCollapsed && i.anchor.parent.isEmpty) {
                                const n = _a._getStoreAttributeKey(e);
                                this.setAttribute(n, t, i.anchor.parent)
                            }
                            i._setAttribute(e, t)
                        }
                        _removeSelectionAttribute(e) {
                            const t = this.model.document.selection;
                            if (t.isCollapsed && t.anchor.parent.isEmpty) {
                                const i = _a._getStoreAttributeKey(e);
                                this.removeAttribute(i, t.anchor.parent)
                            }
                            t._removeAttribute(e)
                        }
                        _assertWriterUsedCorrectly() {
                            if (this.model._currentWriter !== this)
                                throw new c.a("writer-incorrect-use", this)
                        }
                        _addOperationForAffectedMarkers(e, t) {
                            for (const i of this.model.markers) {
                                if (!i.managedUsingOperations)
                                    continue;
                                const n = i.getRange();
                                let o = !1;
                                if ("move" === e)
                                    o = t.containsPosition(n.start) || t.start.isEqual(n.start) || t.containsPosition(n.end) || t.end.isEqual(n.end);
                                else {
                                    const e = t.nodeBefore,
                                    i = t.nodeAfter,
                                    r = n.start.parent == e && n.start.isAtEnd,
                                    s = n.end.parent == i && 0 == n.end.offset,
                                    a = n.end.nodeAfter == i,
                                    c = n.start.nodeAfter == i;
                                    o = r || s || a || c
                                }
                                o && this.updateMarker(i.name, {
                                    range: n
                                })
                            }
                        }
                    }
                    function Oc(e, t, i, n) {
                        const o = e.model,
                        r = o.document;
                        let s,
                        a,
                        c,
                        l = n.start;
                        for (const e of n.getWalker({
                                shallow: !0
                            }))
                            c = e.item.getAttribute(t), s && a != c && (a != i && d(), l = s), s = e.nextPosition, a = c;
                        function d() {
                            const n = new oa(l, s),
                            c = n.root.document ? r.version : null,
                            d = new xc(n, t, a, i, c);
                            e.batch.addOperation(d),
                            o.applyOperation(d)
                        }
                        s instanceof ea && s != l && a != i && d()
                    }
                    function Dc(e, t, i, n) {
                        const o = e.model,
                        r = o.document,
                        s = n.getAttribute(t);
                        let a,
                        c;
                        if (s != i) {
                            if (n.root === n) {
                                const e = n.document ? r.version : null;
                                c = new Sc(n, t, s, i, e)
                            } else {
                                a = new oa(ea._createBefore(n), e.createPositionAfter(n));
                                const o = a.root.document ? r.version : null;
                                c = new xc(a, t, s, i, o)
                            }
                            e.batch.addOperation(c),
                            o.applyOperation(c)
                        }
                    }
                    function Lc(e, t, i, n, o) {
                        const r = e.model,
                        s = r.document,
                        a = new Ec(t, i, n, r.markers, o, s.version);
                        e.batch.addOperation(a),
                        r.applyOperation(a)
                    }
                    function zc(e, t, i, n) {
                        let o;
                        if (e.root.document) {
                            const i = n.document,
                            r = new ea(i.graveyard, [0]);
                            o = new Cc(e, t, r, i.version)
                        } else
                            o = new Ac(e, t);
                        i.addOperation(o),
                        n.applyOperation(o)
                    }
                    function Vc(e, t) {
                        return e === t || e instanceof Nc && t instanceof Nc
                    }
                    class jc {
                        constructor(e) {
                            this._markerCollection = e,
                            this._changesInElement = new Map,
                            this._elementSnapshots = new Map,
                            this._changedMarkers = new Map,
                            this._changeCount = 0,
                            this._cachedChanges = null,
                            this._cachedChangesWithGraveyard = null
                        }
                        get isEmpty() {
                            return 0 == this._changesInElement.size && 0 == this._changedMarkers.size
                        }
                        refreshItem(e) {
                            if (this._isInInsertedElement(e.parent))
                                return;
                            this._markRemove(e.parent, e.startOffset, e.offsetSize),
                            this._markInsert(e.parent, e.startOffset, e.offsetSize);
                            const t = oa._createOn(e);
                            for (const e of this._markerCollection.getMarkersIntersectingRange(t)) {
                                const t = e.getRange();
                                this.bufferMarkerChange(e.name, t, t, e.affectsData)
                            }
                            this._cachedChanges = null
                        }
                        bufferOperation(e) {
                            switch (e.type) {
                            case "insert":
                                if (this._isInInsertedElement(e.position.parent))
                                    return;
                                this._markInsert(e.position.parent, e.position.offset, e.nodes.maxOffset);
                                break;
                            case "addAttribute":
                            case "removeAttribute":
                            case "changeAttribute":
                                for (const t of e.range.getItems({
                                        shallow: !0
                                    }))
                                    this._isInInsertedElement(t.parent) || this._markAttribute(t);
                                break;
                            case "remove":
                            case "move":
                            case "reinsert": {
                                    if (e.sourcePosition.isEqual(e.targetPosition) || e.sourcePosition.getShiftedBy(e.howMany).isEqual(e.targetPosition))
                                        return;
                                    const t = this._isInInsertedElement(e.sourcePosition.parent),
                                    i = this._isInInsertedElement(e.targetPosition.parent);
                                    t || this._markRemove(e.sourcePosition.parent, e.sourcePosition.offset, e.howMany),
                                    i || this._markInsert(e.targetPosition.parent, e.getMovedRangeStart().offset, e.howMany);
                                    break
                                }
                            case "rename": {
                                    if (this._isInInsertedElement(e.position.parent))
                                        return;
                                    this._markRemove(e.position.parent, e.position.offset, 1),
                                    this._markInsert(e.position.parent, e.position.offset, 1);
                                    const t = oa._createFromPositionAndShift(e.position, 1);
                                    for (const e of this._markerCollection.getMarkersIntersectingRange(t)) {
                                        const t = e.getRange();
                                        this.bufferMarkerChange(e.name, t, t, e.affectsData)
                                    }
                                    break
                                }
                            case "split": {
                                    const t = e.splitPosition.parent;
                                    this._isInInsertedElement(t) || this._markRemove(t, e.splitPosition.offset, e.howMany),
                                    this._isInInsertedElement(e.insertionPosition.parent) || this._markInsert(e.insertionPosition.parent, e.insertionPosition.offset, 1),
                                    e.graveyardPosition && this._markRemove(e.graveyardPosition.parent, e.graveyardPosition.offset, 1);
                                    break
                                }
                            case "merge": {
                                    const t = e.sourcePosition.parent;
                                    this._isInInsertedElement(t.parent) || this._markRemove(t.parent, t.startOffset, 1);
                                    const i = e.graveyardPosition.parent;
                                    this._markInsert(i, e.graveyardPosition.offset, 1);
                                    const n = e.targetPosition.parent;
                                    this._isInInsertedElement(n) || this._markInsert(n, e.targetPosition.offset, t.maxOffset);
                                    break
                                }
                            }
                            this._cachedChanges = null
                        }
                        bufferMarkerChange(e, t, i, n) {
                            const o = this._changedMarkers.get(e);
                            o ? (o.newRange = i, o.affectsData = n, null == o.oldRange && null == o.newRange && this._changedMarkers.delete(e)) : this._changedMarkers.set(e, {
                                oldRange: t,
                                newRange: i,
                                affectsData: n
                            })
                        }
                        getMarkersToRemove() {
                            const e = [];
                            for (const[t, i]of this._changedMarkers)
                                null != i.oldRange && e.push({
                                    name: t,
                                    range: i.oldRange
                                });
                            return e
                        }
                        getMarkersToAdd() {
                            const e = [];
                            for (const[t, i]of this._changedMarkers)
                                null != i.newRange && e.push({
                                    name: t,
                                    range: i.newRange
                                });
                            return e
                        }
                        getChangedMarkers() {
                            return Array.from(this._changedMarkers).map(e => ({
                                    name: e[0],
                                    data: {
                                        oldRange: e[1].oldRange,
                                        newRange: e[1].newRange
                                    }
                                }))
                        }
                        hasDataChanges() {
                            for (const[, e]of this._changedMarkers)
                                if (e.affectsData)
                                    return !0;
                            return this._changesInElement.size > 0
                        }
                        getChanges(e = {
                                includeChangesInGraveyard: !1
                            }) {
                            if (this._cachedChanges)
                                return e.includeChangesInGraveyard ? this._cachedChangesWithGraveyard.slice() : this._cachedChanges.slice();
                            let t = [];
                            for (const e of this._changesInElement.keys()) {
                                const i = this._changesInElement.get(e).sort((e, t) => e.offset === t.offset ? e.type != t.type ? "remove" == e.type ? -1 : 1 : 0 : e.offset < t.offset ? -1 : 1),
                                n = this._elementSnapshots.get(e),
                                o = Bc(e.getChildren()),
                                r = Fc(n.length, i);
                                let s = 0,
                                a = 0;
                                for (const i of r)
                                    if ("i" === i)
                                        t.push(this._getInsertDiff(e, s, o[s].name)), s++;
                                    else if ("r" === i)
                                        t.push(this._getRemoveDiff(e, s, n[a].name)), a++;
                                    else if ("a" === i) {
                                        const i = o[s].attributes,
                                        r = n[a].attributes;
                                        let c;
                                        if ("$text" == o[s].name)
                                            c = new oa(ea._createAt(e, s), ea._createAt(e, s + 1));
                                        else {
                                            const t = e.offsetToIndex(s);
                                            c = new oa(ea._createAt(e, s), ea._createAt(e.getChild(t), 0))
                                        }
                                        t.push(...this._getAttributesDiff(c, r, i)),
                                        s++,
                                        a++
                                    } else
                                        s++, a++
                            }
                            t.sort((e, t) => e.position.root != t.position.root ? e.position.root.rootName < t.position.root.rootName ? -1 : 1 : e.position.isEqual(t.position) ? e.changeCount - t.changeCount : e.position.isBefore(t.position) ? -1 : 1);
                            for (let e = 1, i = 0; e < t.length; e++) {
                                const n = t[i],
                                o = t[e],
                                r = "remove" == n.type && "remove" == o.type && "$text" == n.name && "$text" == o.name && n.position.isEqual(o.position),
                                s = "insert" == n.type && "insert" == o.type && "$text" == n.name && "$text" == o.name && n.position.parent == o.position.parent && n.position.offset + n.length == o.position.offset,
                                a = "attribute" == n.type && "attribute" == o.type && n.position.parent == o.position.parent && n.range.isFlat && o.range.isFlat && n.position.offset + n.length == o.position.offset && n.attributeKey == o.attributeKey && n.attributeOldValue == o.attributeOldValue && n.attributeNewValue == o.attributeNewValue;
                                r || s || a ? (n.length++, a && (n.range.end = n.range.end.getShiftedBy(1)), t[e] = null) : i = e
                            }
                            t = t.filter(e => e);
                            for (const e of t)
                                delete e.changeCount, "attribute" == e.type && (delete e.position, delete e.length);
                            return this._changeCount = 0,
                            this._cachedChangesWithGraveyard = t.slice(),
                            this._cachedChanges = t.filter(Hc),
                            e.includeChangesInGraveyard ? this._cachedChangesWithGraveyard : this._cachedChanges
                        }
                        reset() {
                            this._changesInElement.clear(),
                            this._elementSnapshots.clear(),
                            this._changedMarkers.clear(),
                            this._cachedChanges = null
                        }
                        _markInsert(e, t, i) {
                            const n = {
                                type: "insert",
                                offset: t,
                                howMany: i,
                                count: this._changeCount++
                            };
                            this._markChange(e, n)
                        }
                        _markRemove(e, t, i) {
                            const n = {
                                type: "remove",
                                offset: t,
                                howMany: i,
                                count: this._changeCount++
                            };
                            this._markChange(e, n),
                            this._removeAllNestedChanges(e, t, i)
                        }
                        _markAttribute(e) {
                            const t = {
                                type: "attribute",
                                offset: e.startOffset,
                                howMany: e.offsetSize,
                                count: this._changeCount++
                            };
                            this._markChange(e.parent, t)
                        }
                        _markChange(e, t) {
                            this._makeSnapshot(e);
                            const i = this._getChangesForElement(e);
                            this._handleChange(t, i),
                            i.push(t);
                            for (let e = 0; e < i.length; e++)
                                i[e].howMany < 1 && (i.splice(e, 1), e--)
                        }
                        _getChangesForElement(e) {
                            let t;
                            return this._changesInElement.has(e) ? t = this._changesInElement.get(e) : (t = [], this._changesInElement.set(e, t)),
                            t
                        }
                        _makeSnapshot(e) {
                            this._elementSnapshots.has(e) || this._elementSnapshots.set(e, Bc(e.getChildren()))
                        }
                        _handleChange(e, t) {
                            e.nodesToHandle = e.howMany;
                            for (const i of t) {
                                const n = e.offset + e.howMany,
                                o = i.offset + i.howMany;
                                if ("insert" == e.type && ("insert" == i.type && (e.offset <= i.offset ? i.offset += e.howMany : e.offset < o && (i.howMany += e.nodesToHandle, e.nodesToHandle = 0)), "remove" == i.type && e.offset < i.offset && (i.offset += e.howMany), "attribute" == i.type))
                                    if (e.offset <= i.offset)
                                        i.offset += e.howMany;
                                    else if (e.offset < o) {
                                        const o = i.howMany;
                                        i.howMany = e.offset - i.offset,
                                        t.unshift({
                                            type: "attribute",
                                            offset: n,
                                            howMany: o - i.howMany,
                                            count: this._changeCount++
                                        })
                                    }
                                if ("remove" == e.type) {
                                    if ("insert" == i.type)
                                        if (n <= i.offset)
                                            i.offset -= e.howMany;
                                        else if (n <= o)
                                            if (e.offset < i.offset) {
                                                const t = n - i.offset;
                                                i.offset = e.offset,
                                                i.howMany -= t,
                                                e.nodesToHandle -= t
                                            } else
                                                i.howMany -= e.nodesToHandle, e.nodesToHandle = 0;
                                        else if (e.offset <= i.offset)
                                            e.nodesToHandle -= i.howMany, i.howMany = 0;
                                        else if (e.offset < o) {
                                            const t = o - e.offset;
                                            i.howMany -= t,
                                            e.nodesToHandle -= t
                                        }
                                    if ("remove" == i.type && (n <= i.offset ? i.offset -= e.howMany : e.offset < i.offset && (e.nodesToHandle += i.howMany, i.howMany = 0)), "attribute" == i.type)
                                        if (n <= i.offset)
                                            i.offset -= e.howMany;
                                        else if (e.offset < i.offset) {
                                            const t = n - i.offset;
                                            i.offset = e.offset,
                                            i.howMany -= t
                                        } else if (e.offset < o)
                                            if (n <= o) {
                                                const n = i.howMany;
                                                i.howMany = e.offset - i.offset;
                                                const o = n - i.howMany - e.nodesToHandle;
                                                t.unshift({
                                                    type: "attribute",
                                                    offset: e.offset,
                                                    howMany: o,
                                                    count: this._changeCount++
                                                })
                                            } else
                                                i.howMany -= o - e.offset
                                }
                                if ("attribute" == e.type) {
                                    if ("insert" == i.type)
                                        if (e.offset < i.offset && n > i.offset) {
                                            if (n > o) {
                                                const e = {
                                                    type: "attribute",
                                                    offset: o,
                                                    howMany: n - o,
                                                    count: this._changeCount++
                                                };
                                                this._handleChange(e, t),
                                                t.push(e)
                                            }
                                            e.nodesToHandle = i.offset - e.offset,
                                            e.howMany = e.nodesToHandle
                                        } else
                                            e.offset >= i.offset && e.offset < o && (n > o ? (e.nodesToHandle = n - o, e.offset = o) : e.nodesToHandle = 0);
                                    if ("remove" == i.type && e.offset < i.offset && n > i.offset) {
                                        const o = {
                                            type: "attribute",
                                            offset: i.offset,
                                            howMany: n - i.offset,
                                            count: this._changeCount++
                                        };
                                        this._handleChange(o, t),
                                        t.push(o),
                                        e.nodesToHandle = i.offset - e.offset,
                                        e.howMany = e.nodesToHandle
                                    }
                                    "attribute" == i.type && (e.offset >= i.offset && n <= o ? (e.nodesToHandle = 0, e.howMany = 0, e.offset = 0) : e.offset <= i.offset && n >= o && (i.howMany = 0))
                                }
                            }
                            e.howMany = e.nodesToHandle,
                            delete e.nodesToHandle
                        }
                        _getInsertDiff(e, t, i) {
                            return {
                                type: "insert",
                                position: ea._createAt(e, t),
                                name: i,
                                length: 1,
                                changeCount: this._changeCount++
                            }
                        }
                        _getRemoveDiff(e, t, i) {
                            return {
                                type: "remove",
                                position: ea._createAt(e, t),
                                name: i,
                                length: 1,
                                changeCount: this._changeCount++
                            }
                        }
                        _getAttributesDiff(e, t, i) {
                            const n = [];
                            i = new Map(i);
                            for (const[o, r]of t) {
                                const t = i.has(o) ? i.get(o) : null;
                                t !== r && n.push({
                                    type: "attribute",
                                    position: e.start,
                                    range: e.clone(),
                                    length: 1,
                                    attributeKey: o,
                                    attributeOldValue: r,
                                    attributeNewValue: t,
                                    changeCount: this._changeCount++
                                }),
                                i.delete(o)
                            }
                            for (const[t, o]of i)
                                n.push({
                                    type: "attribute",
                                    position: e.start,
                                    range: e.clone(),
                                    length: 1,
                                    attributeKey: t,
                                    attributeOldValue: null,
                                    attributeNewValue: o,
                                    changeCount: this._changeCount++
                                });
                            return n
                        }
                        _isInInsertedElement(e) {
                            const t = e.parent;
                            if (!t)
                                return !1;
                            const i = this._changesInElement.get(t),
                            n = e.startOffset;
                            if (i)
                                for (const e of i)
                                    if ("insert" == e.type && n >= e.offset && n < e.offset + e.howMany)
                                        return !0;
                            return this._isInInsertedElement(t)
                        }
                        _removeAllNestedChanges(e, t, i) {
                            const n = new oa(ea._createAt(e, t), ea._createAt(e, t + i));
                            for (const e of n.getItems({
                                    shallow: !0
                                }))
                                e.is("element") && (this._elementSnapshots.delete(e), this._changesInElement.delete(e), this._removeAllNestedChanges(e, 0, e.maxOffset))
                        }
                    }
                    function Bc(e) {
                        const t = [];
                        for (const i of e)
                            if (i.is("$text"))
                                for (let e = 0; e < i.data.length; e++)
                                    t.push({
                                        name: "$text",
                                        attributes: new Map(i.getAttributes())
                                    });
                            else
                                t.push({
                                    name: i.name,
                                    attributes: new Map(i.getAttributes())
                                });
                        return t
                    }
                    function Fc(e, t) {
                        const i = [];
                        let n = 0,
                        o = 0;
                        for (const e of t) {
                            if (e.offset > n) {
                                for (let t = 0; t < e.offset - n; t++)
                                    i.push("e");
                                o += e.offset - n
                            }
                            if ("insert" == e.type) {
                                for (let t = 0; t < e.howMany; t++)
                                    i.push("i");
                                n = e.offset + e.howMany
                            } else if ("remove" == e.type) {
                                for (let t = 0; t < e.howMany; t++)
                                    i.push("r");
                                n = e.offset,
                                o += e.howMany
                            } else
                                i.push(..."a".repeat(e.howMany).split("")), n = e.offset + e.howMany, o += e.howMany
                        }
                        if (o < e)
                            for (let t = 0; t < e - o - n; t++)
                                i.push("e");
                        return i
                    }
                    function Hc(e) {
                        const t = e.position && "$graveyard" == e.position.root.rootName,
                        i = e.range && "$graveyard" == e.range.root.rootName;
                        return !t && !i
                    }
                    class Uc {
                        constructor() {
                            this._operations = [],
                            this._undoPairs = new Map,
                            this._undoneOperations = new Set
                        }
                        addOperation(e) {
                            this._operations.includes(e) || this._operations.push(e)
                        }
                        getOperations(e = Number.NEGATIVE_INFINITY, t = Number.POSITIVE_INFINITY) {
                            const i = [];
                            for (const n of this._operations)
                                n.baseVersion >= e && n.baseVersion < t && i.push(n);
                            return i
                        }
                        getOperation(e) {
                            for (const t of this._operations)
                                if (t.baseVersion == e)
                                    return t
                        }
                        setOperationAsUndone(e, t) {
                            this._undoPairs.set(t, e),
                            this._undoneOperations.add(e)
                        }
                        isUndoingOperation(e) {
                            return this._undoPairs.has(e)
                        }
                        isUndoneOperation(e) {
                            return this._undoneOperations.has(e)
                        }
                        getUndoneOperation(e) {
                            return this._undoPairs.get(e)
                        }
                    }
                    function Wc(e, t) {
                        return !!(i = e.charAt(t - 1)) && 1 == i.length && /[\ud800-\udbff]/.test(i) && function (e) {
                            return !!e && 1 == e.length && /[\udc00-\udfff]/.test(e)
                        }
                        (e.charAt(t));
                        var i
                    }
                    function qc(e, t) {
                        return !!(i = e.charAt(t)) && 1 == i.length && /[\u0300-\u036f\u1ab0-\u1aff\u1dc0-\u1dff\u20d0-\u20ff\ufe20-\ufe2f]/.test(i);
                        var i
                    }
                    class $c {
                        constructor(e) {
                            this.model = e,
                            this.version = 0,
                            this.history = new Uc(this),
                            this.selection = new _a(this),
                            this.roots = new Zi({
                                idProperty: "rootName"
                            }),
                            this.differ = new jc(e.markers),
                            this._postFixers = new Set,
                            this._hasSelectionChangedFromTheLastChangeBlock = !1,
                            this.createRoot("$root", "$graveyard"),
                            this.listenTo(e, "applyOperation", (e, t) => {
                                const i = t[0];
                                if (i.isDocumentOperation && i.baseVersion !== this.version)
                                    throw new c.a("model-document-applyoperation-wrong-version", this, {
                                        operation: i
                                    })
                            }, {
                                priority: "highest"
                            }),
                            this.listenTo(e, "applyOperation", (e, t) => {
                                const i = t[0];
                                i.isDocumentOperation && this.differ.bufferOperation(i)
                            }, {
                                priority: "high"
                            }),
                            this.listenTo(e, "applyOperation", (e, t) => {
                                const i = t[0];
                                i.isDocumentOperation && (this.version++, this.history.addOperation(i))
                            }, {
                                priority: "low"
                            }),
                            this.listenTo(this.selection, "change", () => {
                                this._hasSelectionChangedFromTheLastChangeBlock = !0
                            }),
                            this.listenTo(e.markers, "update", (e, t, i, n) => {
                                this.differ.bufferMarkerChange(t.name, i, n, t.affectsData),
                                null === i && t.on("change", (e, i) => {
                                    this.differ.bufferMarkerChange(t.name, i, t.getRange(), t.affectsData)
                                })
                            })
                        }
                        get graveyard() {
                            return this.getRoot("$graveyard")
                        }
                        createRoot(e = "$root", t = "main") {
                            if (this.roots.get(t))
                                throw new c.a("model-document-createroot-name-exists", this, {
                                    name: t
                                });
                            const i = new Nc(this, e, t);
                            return this.roots.add(i),
                            i
                        }
                        destroy() {
                            this.selection.destroy(),
                            this.stopListening()
                        }
                        getRoot(e = "main") {
                            return this.roots.get(e)
                        }
                        getRootNames() {
                            return Array.from(this.roots, e => e.rootName).filter(e => "$graveyard" != e)
                        }
                        registerPostFixer(e) {
                            this._postFixers.add(e)
                        }
                        toJSON() {
                            const e = ln(this);
                            return e.selection = "[engine.model.DocumentSelection]",
                            e.model = "[engine.model.Model]",
                            e
                        }
                        _handleChangeBlock(e) {
                            this._hasDocumentChangedFromTheLastChangeBlock() && (this._callPostFixers(e), this.selection.refresh(), this.differ.hasDataChanges() ? this.fire("change:data", e.batch) : this.fire("change", e.batch), this.selection.refresh(), this.differ.reset()),
                            this._hasSelectionChangedFromTheLastChangeBlock = !1
                        }
                        _hasDocumentChangedFromTheLastChangeBlock() {
                            return !this.differ.isEmpty || this._hasSelectionChangedFromTheLastChangeBlock
                        }
                        _getDefaultRoot() {
                            for (const e of this.roots)
                                if (e !== this.graveyard)
                                    return e;
                            return this.graveyard
                        }
                        _getDefaultRange() {
                            const e = this._getDefaultRoot(),
                            t = this.model,
                            i = t.schema,
                            n = t.createPositionFromPath(e, [0]);
                            return i.getNearestSelectionRange(n) || t.createRange(n)
                        }
                        _validateSelectionRange(e) {
                            return Yc(e.start) && Yc(e.end)
                        }
                        _callPostFixers(e) {
                            let t = !1;
                            do {
                                for (const i of this._postFixers)
                                    if (this.selection.refresh(), t = i(e), t)
                                        break
                            } while (t)
                        }
                    }
                    function Yc(e) {
                        const t = e.textNode;
                        if (t) {
                            const i = t.data,
                            n = e.offset - t.startOffset;
                            return !Wc(i, n) && !qc(i, n)
                        }
                        return !0
                    }
                    Ke($c, u);
                    class Gc {
                        constructor() {
                            this._markers = new Map
                        }
                        [Symbol.iterator]() {
                            return this._markers.values()
                        }
                        has(e) {
                            return this._markers.has(e)
                        }
                        get(e) {
                            return this._markers.get(e) || null
                        }
                        _set(e, t, i = !1, n = !1) {
                            const o = e instanceof Kc ? e.name : e;
                            if (o.includes(","))
                                throw new c.a("markercollection-incorrect-marker-name", this);
                            const r = this._markers.get(o);
                            if (r) {
                                const e = r.getRange();
                                let s = !1;
                                return e.isEqual(t) || (r._attachLiveRange(ba.fromRange(t)), s = !0),
                                i != r.managedUsingOperations && (r._managedUsingOperations = i, s = !0),
                                "boolean" == typeof n && n != r.affectsData && (r._affectsData = n, s = !0),
                                s && this.fire("update:" + o, r, e, t),
                                r
                            }
                            const s = ba.fromRange(t),
                            a = new Kc(o, s, i, n);
                            return this._markers.set(o, a),
                            this.fire("update:" + o, a, null, t),
                            a
                        }
                        _remove(e) {
                            const t = e instanceof Kc ? e.name : e,
                            i = this._markers.get(t);
                            return !!i && (this._markers.delete(t), this.fire("update:" + t, i, i.getRange(), null), this._destroyMarker(i), !0)
                        }
                        _refresh(e) {
                            const t = e instanceof Kc ? e.name : e,
                            i = this._markers.get(t);
                            if (!i)
                                throw new c.a("markercollection-refresh-marker-not-exists", this);
                            const n = i.getRange();
                            this.fire("update:" + t, i, n, n, i.managedUsingOperations, i.affectsData)
                        }
                         * getMarkersAtPosition(e) {
                            for (const t of this)
                                t.getRange().containsPosition(e) && (yield t)
                        }
                         * getMarkersIntersectingRange(e) {
                            for (const t of this)
                                null !== t.getRange().getIntersection(e) && (yield t)
                        }
                        destroy() {
                            for (const e of this._markers.values())
                                this._destroyMarker(e);
                            this._markers = null,
                            this.stopListening()
                        }
                         * getMarkersGroup(e) {
                            for (const t of this._markers.values())
                                t.name.startsWith(e + ":") && (yield t)
                        }
                        _destroyMarker(e) {
                            e.stopListening(),
                            e._detachLiveRange()
                        }
                    }
                    Ke(Gc, u);
                    class Kc {
                        constructor(e, t, i, n) {
                            this.name = e,
                            this._liveRange = this._attachLiveRange(t),
                            this._managedUsingOperations = i,
                            this._affectsData = n
                        }
                        get managedUsingOperations() {
                            if (!this._liveRange)
                                throw new c.a("marker-destroyed", this);
                            return this._managedUsingOperations
                        }
                        get affectsData() {
                            if (!this._liveRange)
                                throw new c.a("marker-destroyed", this);
                            return this._affectsData
                        }
                        getStart() {
                            if (!this._liveRange)
                                throw new c.a("marker-destroyed", this);
                            return this._liveRange.start.clone()
                        }
                        getEnd() {
                            if (!this._liveRange)
                                throw new c.a("marker-destroyed", this);
                            return this._liveRange.end.clone()
                        }
                        getRange() {
                            if (!this._liveRange)
                                throw new c.a("marker-destroyed", this);
                            return this._liveRange.toRange()
                        }
                        is(e) {
                            return "marker" === e || "model:marker" === e
                        }
                        _attachLiveRange(e) {
                            return this._liveRange && this._detachLiveRange(),
                            e.delegate("change:range").to(this),
                            e.delegate("change:content").to(this),
                            this._liveRange = e,
                            e
                        }
                        _detachLiveRange() {
                            this._liveRange.stopDelegating("change:range", this),
                            this._liveRange.stopDelegating("change:content", this),
                            this._liveRange.detach(),
                            this._liveRange = null
                        }
                    }
                    Ke(Kc, u);
                    class Qc extends fc {
                        get type() {
                            return "noop"
                        }
                        clone() {
                            return new Qc(this.baseVersion)
                        }
                        getReversed() {
                            return new Qc(this.baseVersion + 1)
                        }
                        _execute() {}
                        static get className() {
                            return "NoOperation"
                        }
                    }
                    const Jc = {};
                    Jc[xc.className] = xc,
                    Jc[Tc.className] = Tc,
                    Jc[Ec.className] = Ec,
                    Jc[Cc.className] = Cc,
                    Jc[Qc.className] = Qc,
                    Jc[fc.className] = fc,
                    Jc[Pc.className] = Pc,
                    Jc[Sc.className] = Sc,
                    Jc[Ic.className] = Ic,
                    Jc[Mc.className] = Mc;
                    class Zc extends ea {
                        constructor(e, t, i = "toNone") {
                            if (super(e, t, i), !this.root.is("rootElement"))
                                throw new c.a("model-liveposition-root-not-rootelement", e);
                            Xc.call(this)
                        }
                        detach() {
                            this.stopListening()
                        }
                        is(e) {
                            return "livePosition" === e || "model:livePosition" === e || "position" == e || "model:position" === e
                        }
                        toPosition() {
                            return new ea(this.root, this.path.slice(), this.stickiness)
                        }
                        static fromPosition(e, t) {
                            return new this(e.root, e.path.slice(), t || e.stickiness)
                        }
                    }
                    function Xc() {
                        this.listenTo(this.root.document.model, "applyOperation", (e, t) => {
                            const i = t[0];
                            i.isDocumentOperation && el.call(this, i)
                        }, {
                            priority: "low"
                        })
                    }
                    function el(e) {
                        const t = this.getTransformedByOperation(e);
                        if (!this.isEqual(t)) {
                            const e = this.toPosition();
                            this.path = t.path,
                            this.root = t.root,
                            this.fire("change", e)
                        }
                    }
                    Ke(Zc, u);
                    class tl {
                        constructor(e, t, i) {
                            this.model = e,
                            this.writer = t,
                            this.position = i,
                            this.canMergeWith = new Set([this.position.parent]),
                            this.schema = e.schema,
                            this._documentFragment = t.createDocumentFragment(),
                            this._documentFragmentPosition = t.createPositionAt(this._documentFragment, 0),
                            this._firstNode = null,
                            this._lastNode = null,
                            this._lastAutoParagraph = null,
                            this._filterAttributesOf = [],
                            this._affectedStart = null,
                            this._affectedEnd = null
                        }
                        handleNodes(e) {
                            for (const t of Array.from(e))
                                this._handleNode(t);
                            this._insertPartialFragment(),
                            this._lastAutoParagraph && this._updateLastNodeFromAutoParagraph(this._lastAutoParagraph),
                            this._mergeOnRight(),
                            this.schema.removeDisallowedAttributes(this._filterAttributesOf, this.writer),
                            this._filterAttributesOf = []
                        }
                        _updateLastNodeFromAutoParagraph(e) {
                            const t = this.writer.createPositionAfter(this._lastNode),
                            i = this.writer.createPositionAfter(e);
                            if (i.isAfter(t)) {
                                if (this._lastNode = e, this.position.parent != e || !this.position.isAtEnd)
                                    throw new c.a("insertcontent-invalid-insertion-position", this);
                                this.position = i,
                                this._setAffectedBoundaries(this.position)
                            }
                        }
                        getSelectionRange() {
                            return this.nodeToSelect ? oa._createOn(this.nodeToSelect) : this.model.schema.getNearestSelectionRange(this.position)
                        }
                        getAffectedRange() {
                            return this._affectedStart ? new oa(this._affectedStart, this._affectedEnd) : null
                        }
                        destroy() {
                            this._affectedStart && this._affectedStart.detach(),
                            this._affectedEnd && this._affectedEnd.detach()
                        }
                        _handleNode(e) {
                            if (this.schema.isObject(e))
                                return void this._handleObject(e);
                            let t = this._checkAndAutoParagraphToAllowedPosition(e);
                            t || (t = this._checkAndSplitToAllowedPosition(e), t) ? (this._appendToFragment(e), this._firstNode || (this._firstNode = e), this._lastNode = e) : this._handleDisallowedNode(e)
                        }
                        _insertPartialFragment() {
                            if (this._documentFragment.isEmpty)
                                return;
                            const e = Zc.fromPosition(this.position, "toNext");
                            this._setAffectedBoundaries(this.position),
                            this._documentFragment.getChild(0) == this._firstNode && (this.writer.insert(this._firstNode, this.position), this._mergeOnLeft(), this.position = e.toPosition()),
                            this._documentFragment.isEmpty || this.writer.insert(this._documentFragment, this.position),
                            this._documentFragmentPosition = this.writer.createPositionAt(this._documentFragment, 0),
                            this.position = e.toPosition(),
                            e.detach()
                        }
                        _handleObject(e) {
                            this._checkAndSplitToAllowedPosition(e) ? this._appendToFragment(e) : this._tryAutoparagraphing(e)
                        }
                        _handleDisallowedNode(e) {
                            e.is("element") ? this.handleNodes(e.getChildren()) : this._tryAutoparagraphing(e)
                        }
                        _appendToFragment(e) {
                            if (!this.schema.checkChild(this.position, e))
                                throw new c.a("insertcontent-wrong-position", this, {
                                    node: e,
                                    position: this.position
                                });
                            this.writer.insert(e, this._documentFragmentPosition),
                            this._documentFragmentPosition = this._documentFragmentPosition.getShiftedBy(e.offsetSize),
                            this.schema.isObject(e) && !this.schema.checkChild(this.position, "$text") ? this.nodeToSelect = e : this.nodeToSelect = null,
                            this._filterAttributesOf.push(e)
                        }
                        _setAffectedBoundaries(e) {
                            this._affectedStart || (this._affectedStart = Zc.fromPosition(e, "toPrevious")),
                            this._affectedEnd && !this._affectedEnd.isBefore(e) || (this._affectedEnd && this._affectedEnd.detach(), this._affectedEnd = Zc.fromPosition(e, "toNext"))
                        }
                        _mergeOnLeft() {
                            const e = this._firstNode;
                            if (!(e instanceof Js))
                                return;
                            if (!this._canMergeLeft(e))
                                return;
                            const t = Zc._createBefore(e);
                            t.stickiness = "toNext";
                            const i = Zc.fromPosition(this.position, "toNext");
                            this._affectedStart.isEqual(t) && (this._affectedStart.detach(), this._affectedStart = Zc._createAt(t.nodeBefore, "end", "toPrevious")),
                            this._firstNode === this._lastNode && (this._firstNode = t.nodeBefore, this._lastNode = t.nodeBefore),
                            this.writer.merge(t),
                            t.isEqual(this._affectedEnd) && this._firstNode === this._lastNode && (this._affectedEnd.detach(), this._affectedEnd = Zc._createAt(t.nodeBefore, "end", "toNext")),
                            this.position = i.toPosition(),
                            i.detach(),
                            this._filterAttributesOf.push(this.position.parent),
                            t.detach()
                        }
                        _mergeOnRight() {
                            const e = this._lastNode;
                            if (!(e instanceof Js))
                                return;
                            if (!this._canMergeRight(e))
                                return;
                            const t = Zc._createAfter(e);
                            if (t.stickiness = "toNext", !this.position.isEqual(t))
                                throw new c.a("insertcontent-invalid-insertion-position", this);
                            this.position = ea._createAt(t.nodeBefore, "end");
                            const i = Zc.fromPosition(this.position, "toPrevious");
                            this._affectedEnd.isEqual(t) && (this._affectedEnd.detach(), this._affectedEnd = Zc._createAt(t.nodeBefore, "end", "toNext")),
                            this._firstNode === this._lastNode && (this._firstNode = t.nodeBefore, this._lastNode = t.nodeBefore),
                            this.writer.merge(t),
                            t.getShiftedBy(-1).isEqual(this._affectedStart) && this._firstNode === this._lastNode && (this._affectedStart.detach(), this._affectedStart = Zc._createAt(t.nodeBefore, 0, "toPrevious")),
                            this.position = i.toPosition(),
                            i.detach(),
                            this._filterAttributesOf.push(this.position.parent),
                            t.detach()
                        }
                        _canMergeLeft(e) {
                            const t = e.previousSibling;
                            return t instanceof Js && this.canMergeWith.has(t) && this.model.schema.checkMerge(t, e)
                        }
                        _canMergeRight(e) {
                            const t = e.nextSibling;
                            return t instanceof Js && this.canMergeWith.has(t) && this.model.schema.checkMerge(e, t)
                        }
                        _tryAutoparagraphing(e) {
                            const t = this.writer.createElement("paragraph");
                            this._getAllowedIn(t, this.position.parent) && this.schema.checkChild(t, e) && (t._appendChild(e), this._handleNode(t))
                        }
                        _checkAndAutoParagraphToAllowedPosition(e) {
                            if (this.schema.checkChild(this.position.parent, e))
                                return !0;
                            if (!this.schema.checkChild(this.position.parent, "paragraph") || !this.schema.checkChild("paragraph", e))
                                return !1;
                            this._insertPartialFragment();
                            const t = this.writer.createElement("paragraph");
                            return this.writer.insert(t, this.position),
                            this._setAffectedBoundaries(this.position),
                            this._lastAutoParagraph = t,
                            this.position = this.writer.createPositionAt(t, 0),
                            !0
                        }
                        _checkAndSplitToAllowedPosition(e) {
                            const t = this._getAllowedIn(e, this.position.parent);
                            if (!t)
                                return !1;
                            for (t != this.position.parent && this._insertPartialFragment(); t != this.position.parent; ) {
                                if (this.schema.isLimit(this.position.parent))
                                    return !1;
                                if (this.position.isAtStart) {
                                    const e = this.position.parent;
                                    this.position = this.writer.createPositionBefore(e),
                                    e.isEmpty && e.parent === t && this.writer.remove(e)
                                } else if (this.position.isAtEnd)
                                    this.position = this.writer.createPositionAfter(this.position.parent);
                                else {
                                    const e = this.writer.createPositionAfter(this.position.parent);
                                    this._setAffectedBoundaries(this.position),
                                    this.writer.split(this.position),
                                    this.position = e,
                                    this.canMergeWith.add(this.position.nodeAfter)
                                }
                            }
                            return !0
                        }
                        _getAllowedIn(e, t) {
                            return this.schema.checkChild(t, e) ? t : t.parent ? this._getAllowedIn(e, t.parent) : null
                        }
                    }
                    function il(e, t, i = {}) {
                        if (t.isCollapsed)
                            return;
                        const n = t.getFirstRange();
                        if ("$graveyard" == n.root.rootName)
                            return;
                        const o = e.schema;
                        e.change(e => {
                            if (!i.doNotResetEntireContent && function (e, t) {
                                const i = e.getLimitElement(t);
                                if (!t.containsEntireContent(i))
                                    return !1;
                                const n = t.getFirstRange();
                                if (n.start.parent == n.end.parent)
                                    return !1;
                                return e.checkChild(i, "paragraph")
                            }
                                (o, t))
                                return void function (e, t) {
                                    const i = e.model.schema.getLimitElement(t);
                                    e.remove(e.createRangeIn(i)),
                                    ol(e, e.createPositionAt(i, 0), t)
                                }
                            (e, t);
                            const[r, s] = function (e) {
                                const t = e.root.document.model,
                                i = e.start;
                                let n = e.end;
                                if (t.hasContent(e, {
                                        ignoreMarkers: !0
                                    })) {
                                    const i = function (e) {
                                        const t = e.parent,
                                        i = t.root.document.model.schema,
                                        n = t.getAncestors({
                                            parentFirst: !0,
                                            includeSelf: !0
                                        });
                                        for (const e of n) {
                                            if (i.isLimit(e))
                                                return null;
                                            if (i.isBlock(e))
                                                return e
                                        }
                                    }
                                    (n);
                                    if (i && n.isTouching(t.createPositionAt(i, 0))) {
                                        const i = t.createSelection(e);
                                        t.modifySelection(i, {
                                            direction: "backward"
                                        }),
                                        n = i.getLastPosition()
                                    }
                                }
                                return [Zc.fromPosition(i, "toPrevious"), Zc.fromPosition(n, "toNext")]
                            }
                            (n);
                            r.isTouching(s) || e.remove(e.createRange(r, s)),
                            i.leaveUnmerged || (!function (e, t, i) {
                                const n = e.model;
                                if (!nl(e.model.schema, t, i))
                                    return;
                                const[o, r] = function (e, t) {
                                    const i = e.getAncestors(),
                                    n = t.getAncestors();
                                    let o = 0;
                                    for (; i[o] && i[o] == n[o]; )
                                        o++;
                                    return [i[o], n[o]]
                                }
                                (t, i);
                                if (!o || !r)
                                    return;
                                !n.hasContent(o, {
                                    ignoreMarkers: !0
                                }) && n.hasContent(r, {
                                    ignoreMarkers: !0
                                }) ? function e(t, i, n, o) {
                                    const r = i.parent,
                                    s = n.parent;
                                    if (r == o || s == o)
                                        return;
                                    i = t.createPositionAfter(r),
                                    (n = t.createPositionBefore(s)).isEqual(i) || t.insert(r, n);
                                    for (; i.parent.isEmpty; ) {
                                        const e = i.parent;
                                        i = t.createPositionBefore(e),
                                        t.remove(e)
                                    }
                                    if (n = t.createPositionBefore(s), function (e, t) {
                                        const i = t.nodeBefore,
                                        n = t.nodeAfter;
                                        i.name != n.name && e.rename(i, n.name);
                                        e.clearAttributes(i),
                                        e.setAttributes(Object.fromEntries(n.getAttributes()), i),
                                        e.merge(t)
                                    }
                                        (t, n), !nl(t.model.schema, i, n))
                                        return;
                                    e(t, i, n, o)
                                }
                                (e, t, i, o.parent) : function e(t, i, n, o) {
                                    const r = i.parent,
                                    s = n.parent;
                                    if (r == o || s == o)
                                        return;
                                    i = t.createPositionAfter(r),
                                    (n = t.createPositionBefore(s)).isEqual(i) || t.insert(s, i);
                                    t.merge(i);
                                    for (; n.parent.isEmpty; ) {
                                        const e = n.parent;
                                        n = t.createPositionBefore(e),
                                        t.remove(e)
                                    }
                                    if (!nl(t.model.schema, i, n))
                                        return;
                                    e(t, i, n, o)
                                }
                                (e, t, i, o.parent)
                            }
                                (e, r, s), o.removeDisallowedAttributes(r.parent.getChildren(), e)),
                            rl(e, t, r),
                            !i.doNotAutoparagraph && function (e, t) {
                                const i = e.checkChild(t, "$text"),
                                n = e.checkChild(t, "paragraph");
                                return !i && n
                            }
                            (o, r) && ol(e, r, t),
                            r.detach(),
                            s.detach()
                        })
                    }
                    function nl(e, t, i) {
                        const n = t.parent,
                        o = i.parent;
                        return n != o && (!e.isLimit(n) && !e.isLimit(o) && function (e, t, i) {
                            const n = new oa(e, t);
                            for (const e of n.getWalker())
                                if (i.isLimit(e.item))
                                    return !1;
                            return !0
                        }
                            (t, i, e))
                    }
                    function ol(e, t, i) {
                        const n = e.createElement("paragraph");
                        e.insert(n, t),
                        rl(e, i, e.createPositionAt(n, 0))
                    }
                    function rl(e, t, i) {
                        t instanceof _a ? e.setSelection(i) : t.setTo(i)
                    }
                    function sl(e, t) {
                        const {
                            isForward: i,
                            walker: n,
                            unit: o,
                            schema: r
                        } = e, {
                            type: s,
                            item: a,
                            nextPosition: c
                        } = t;
                        if ("text" == s)
                            return "word" === e.unit ? function (e, t) {
                                let i = e.position.textNode;
                                if (i) {
                                    let n = e.position.offset - i.startOffset;
                                    for (; !cl(i.data, n, t) && !ll(i, n, t); ) {
                                        e.next();
                                        const o = t ? e.position.nodeAfter : e.position.nodeBefore;
                                        if (o && o.is("$text")) {
                                            const n = o.data.charAt(t ? 0 : o.data.length - 1);
                                            ' ,.?!:;"-()'.includes(n) || (e.next(), i = e.position.textNode)
                                        }
                                        n = e.position.offset - i.startOffset
                                    }
                                }
                                return e.position
                            }
                        (n, i) : function (e, t) {
                            const i = e.position.textNode;
                            if (i) {
                                const n = i.data;
                                let o = e.position.offset - i.startOffset;
                                for (; Wc(n, o) || "character" == t && qc(n, o); )
                                    e.next(), o = e.position.offset - i.startOffset
                            }
                            return e.position
                        }
                        (n, o);
                        if (s == (i ? "elementStart" : "elementEnd")) {
                            if (r.isSelectable(a))
                                return ea._createAt(a, i ? "after" : "before");
                            if (r.checkChild(c, "$text"))
                                return c
                        } else {
                            if (r.isLimit(a))
                                return void n.skip(() => !0);
                            if (r.checkChild(c, "$text"))
                                return c
                        }
                    }
                    function al(e, t) {
                        const i = e.root,
                        n = ea._createAt(i, t ? "end" : 0);
                        return t ? new oa(e, n) : new oa(n, e)
                    }
                    function cl(e, t, i) {
                        const n = t + (i ? 0 : -1);
                        return ' ,.?!:;"-()'.includes(e.charAt(n))
                    }
                    function ll(e, t, i) {
                        return t === (i ? e.endOffset : 0)
                    }
                    function dl(e, t) {
                        const i = [];
                        Array.from(e.getItems({
                                direction: "backward"
                            })).map(e => t.createRangeOn(e)).filter(t => (t.start.isAfter(e.start) || t.start.isEqual(e.start)) && (t.end.isBefore(e.end) || t.end.isEqual(e.end))).forEach(e => {
                            i.push(e.start.parent),
                            t.remove(e)
                        }),
                        i.forEach(e => {
                            let i = e;
                            for (; i.parent && i.isEmpty; ) {
                                const e = t.createRangeOn(i);
                                i = i.parent,
                                t.remove(e)
                            }
                        })
                    }
                    function ul(e) {
                        e.document.registerPostFixer(t => function (e, t) {
                            const i = t.document.selection,
                            n = t.schema,
                            o = [];
                            let r = !1;
                            for (const e of i.getRanges()) {
                                const t = hl(e, n);
                                t && !t.isEqual(e) ? (o.push(t), r = !0) : o.push(e)
                            }
                            r && e.setSelection(function (e) {
                                const t = [];
                                t.push(e.shift());
                                for (const i of e) {
                                    const e = t.pop();
                                    if (i.isEqual(e))
                                        t.push(e);
                                    else if (i.isIntersecting(e)) {
                                        const n = e.start.isAfter(i.start) ? i.start : e.start,
                                        o = e.end.isAfter(i.end) ? e.end : i.end,
                                        r = new oa(n, o);
                                        t.push(r)
                                    } else
                                        t.push(e), t.push(i)
                                }
                                return t
                            }
                                (o), {
                                backward: i.isBackward
                            })
                        }
                            (t, e))
                    }
                    function hl(e, t) {
                        return e.isCollapsed ? function (e, t) {
                            const i = e.start,
                            n = t.getNearestSelectionRange(i);
                            if (!n)
                                return null;
                            if (!n.isCollapsed)
                                return n;
                            const o = n.start;
                            if (i.isEqual(o))
                                return null;
                            return new oa(o)
                        }
                        (e, t) : function (e, t) {
                            const {
                                start: i,
                                end: n
                            } = e,
                            o = t.checkChild(i, "$text"),
                            r = t.checkChild(n, "$text"),
                            s = t.getLimitElement(i),
                            a = t.getLimitElement(n);
                            if (s === a) {
                                if (o && r)
                                    return null;
                                if (function (e, t, i) {
                                    const n = e.nodeAfter && !i.isLimit(e.nodeAfter) || i.checkChild(e, "$text"),
                                    o = t.nodeBefore && !i.isLimit(t.nodeBefore) || i.checkChild(t, "$text");
                                    return n || o
                                }
                                    (i, n, t)) {
                                    const e = i.nodeAfter && t.isSelectable(i.nodeAfter) ? null : t.getNearestSelectionRange(i, "forward"),
                                    o = n.nodeBefore && t.isSelectable(n.nodeBefore) ? null : t.getNearestSelectionRange(n, "backward"),
                                    r = e ? e.start : i,
                                    s = o ? o.end : n;
                                    return new oa(r, s)
                                }
                            }
                            const c = s && !s.is("rootElement"),
                            l = a && !a.is("rootElement");
                            if (c || l) {
                                const e = i.nodeAfter && n.nodeBefore && i.nodeAfter.parent === n.nodeBefore.parent,
                                o = c && (!e || !gl(i.nodeAfter, t)),
                                r = l && (!e || !gl(n.nodeBefore, t));
                                let d = i,
                                u = n;
                                return o && (d = ea._createBefore(fl(s, t))),
                                r && (u = ea._createAfter(fl(a, t))),
                                new oa(d, u)
                            }
                            return null
                        }
                        (e, t)
                    }
                    function fl(e, t) {
                        let i = e,
                        n = i;
                        for (; t.isLimit(n) && n.parent; )
                            i = n, n = n.parent;
                        return i
                    }
                    function gl(e, t) {
                        return e && t.isSelectable(e)
                    }
                    class ml {
                        constructor() {
                            this.markers = new Gc,
                            this.document = new $c(this),
                            this.schema = new $a,
                            this._pendingChanges = [],
                            this._currentWriter = null,
                            ["insertContent", "deleteContent", "modifySelection", "getSelectedContent", "applyOperation"].forEach(e => this.decorate(e)),
                            this.on("applyOperation", (e, t) => {
                                t[0]._validate()
                            }, {
                                priority: "highest"
                            }),
                            this.schema.register("$root", {
                                isLimit: !0
                            }),
                            this.schema.register("$block", {
                                allowIn: "$root",
                                isBlock: !0
                            }),
                            this.schema.register("$text", {
                                allowIn: "$block",
                                isInline: !0,
                                isContent: !0
                            }),
                            this.schema.register("$clipboardHolder", {
                                allowContentOf: "$root",
                                isLimit: !0
                            }),
                            this.schema.extend("$text", {
                                allowIn: "$clipboardHolder"
                            }),
                            this.schema.register("$documentFragment", {
                                allowContentOf: "$root",
                                isLimit: !0
                            }),
                            this.schema.extend("$text", {
                                allowIn: "$documentFragment"
                            }),
                            this.schema.register("$marker"),
                            this.schema.addChildCheck((e, t) => {
                                if ("$marker" === t.name)
                                    return !0
                            }),
                            ul(this),
                            this.document.registerPostFixer(Na)
                        }
                        change(e) {
                            try {
                                return 0 === this._pendingChanges.length ? (this._pendingChanges.push({
                                        batch: new hc,
                                        callback: e
                                    }), this._runPendingChanges()[0]) : e(this._currentWriter)
                            } catch (e) {
                                c.a.rethrowUnexpectedError(e, this)
                            }
                        }
                        enqueueChange(e, t) {
                            try {
                                "string" == typeof e ? e = new hc(e) : "function" == typeof e && (t = e, e = new hc),
                                this._pendingChanges.push({
                                    batch: e,
                                    callback: t
                                }),
                                1 == this._pendingChanges.length && this._runPendingChanges()
                            } catch (e) {
                                c.a.rethrowUnexpectedError(e, this)
                            }
                        }
                        applyOperation(e) {
                            e._execute()
                        }
                        insertContent(e, t, i) {
                            return function (e, t, i, n) {
                                return e.change(o => {
                                    let r;
                                    r = i ? i instanceof ha || i instanceof _a ? i : o.createSelection(i, n) : e.document.selection,
                                    r.isCollapsed || e.deleteContent(r, {
                                        doNotAutoparagraph: !0
                                    });
                                    const s = new tl(e, o, r.anchor);
                                    let a;
                                    a = t.is("documentFragment") ? t.getChildren() : [t],
                                    s.handleNodes(a);
                                    const c = s.getSelectionRange();
                                    c && (r instanceof _a ? o.setSelection(c) : r.setTo(c));
                                    const l = s.getAffectedRange() || e.createRange(r.anchor);
                                    return s.destroy(),
                                    l
                                })
                            }
                            (this, e, t, i)
                        }
                        deleteContent(e, t) {
                            il(this, e, t)
                        }
                        modifySelection(e, t) {
                            !function (e, t, i = {}) {
                                const n = e.schema,
                                o = "backward" != i.direction,
                                r = i.unit ? i.unit : "character",
                                s = t.focus,
                                a = new Zs({
                                    boundaries: al(s, o),
                                    singleCharacters: !0,
                                    direction: o ? "forward" : "backward"
                                }),
                                c = {
                                    walker: a,
                                    schema: n,
                                    isForward: o,
                                    unit: r
                                };
                                let l;
                                for (; l = a.next(); ) {
                                    if (l.done)
                                        return;
                                    const i = sl(c, l.value);
                                    if (i)
                                        return void(t instanceof _a ? e.change(e => {
                                                e.setSelectionFocus(i)
                                            }) : t.setFocus(i))
                                }
                            }
                            (this, e, t)
                        }
                        getSelectedContent(e) {
                            return function (e, t) {
                                return e.change(e => {
                                    const i = e.createDocumentFragment(),
                                    n = t.getFirstRange();
                                    if (!n || n.isCollapsed)
                                        return i;
                                    const o = n.start.root,
                                    r = n.start.getCommonPath(n.end),
                                    s = o.getNodeByPath(r);
                                    let a;
                                    a = n.start.parent == n.end.parent ? n : e.createRange(e.createPositionAt(s, n.start.path[r.length]), e.createPositionAt(s, n.end.path[r.length] + 1));
                                    const c = a.end.offset - a.start.offset;
                                    for (const t of a.getItems({
                                            shallow: !0
                                        }))
                                        t.is("$textProxy") ? e.appendText(t.data, t.getAttributes(), i) : e.append(e.cloneElement(t, !0), i);
                                    if (a != n) {
                                        const t = n._getTransformedByMove(a.start, e.createPositionAt(i, 0), c)[0],
                                        o = e.createRange(e.createPositionAt(i, 0), t.start);
                                        dl(e.createRange(t.end, e.createPositionAt(i, "end")), e),
                                        dl(o, e)
                                    }
                                    return i
                                })
                            }
                            (this, e)
                        }
                        hasContent(e, t = {}) {
                            const i = e instanceof Js ? oa._createIn(e) : e;
                            if (i.isCollapsed)
                                return !1;
                            const {
                                ignoreWhitespaces: n = !1,
                                ignoreMarkers: o = !1
                            } = t;
                            if (!o)
                                for (const e of this.markers.getMarkersIntersectingRange(i))
                                    if (e.affectsData)
                                        return !0;
                            for (const e of i.getItems())
                                if (this.schema.isContent(e)) {
                                    if (!e.is("$textProxy"))
                                        return !0;
                                    if (!n)
                                        return !0;
                                    if (-1 !== e.data.search(/\S/))
                                        return !0
                                }
                            return !1
                        }
                        createPositionFromPath(e, t, i) {
                            return new ea(e, t, i)
                        }
                        createPositionAt(e, t) {
                            return ea._createAt(e, t)
                        }
                        createPositionAfter(e) {
                            return ea._createAfter(e)
                        }
                        createPositionBefore(e) {
                            return ea._createBefore(e)
                        }
                        createRange(e, t) {
                            return new oa(e, t)
                        }
                        createRangeIn(e) {
                            return oa._createIn(e)
                        }
                        createRangeOn(e) {
                            return oa._createOn(e)
                        }
                        createSelection(e, t, i) {
                            return new ha(e, t, i)
                        }
                        createBatch(e) {
                            return new hc(e)
                        }
                        createOperationFromJSON(e) {
                            return class {
                                static fromJSON(e, t) {
                                    return Jc[e.__className].fromJSON(e, t)
                                }
                            }
                            .fromJSON(e, this.document)
                        }
                        destroy() {
                            this.document.destroy(),
                            this.stopListening()
                        }
                        _runPendingChanges() {
                            const e = [];
                            for (this.fire("_beforeChanges"); this._pendingChanges.length; ) {
                                const t = this._pendingChanges[0].batch;
                                this._currentWriter = new Rc(this, t);
                                const i = this._pendingChanges[0].callback(this._currentWriter);
                                e.push(i),
                                this.document._handleChangeBlock(this._currentWriter),
                                this._pendingChanges.shift(),
                                this._currentWriter = null
                            }
                            return this.fire("_afterChanges"),
                            e
                        }
                    }
                    Ke(ml, Ue);
                    class pl extends Os {
                        constructor(e) {
                            super(),
                            this.editor = e
                        }
                        set(e, t, i = {}) {
                            if ("string" == typeof t) {
                                const e = t;
                                t = (t, i) => {
                                    this.editor.execute(e),
                                    i()
                                }
                            }
                            super.set(e, t, i)
                        }
                    }
                    class bl {
                        constructor(e = {}) {
                            this._context = e.context || new sn({
                                language: e.language
                            }),
                            this._context._addEditor(this, !e.context);
                            const t = Array.from(this.constructor.builtinPlugins || []);
                            this.config = new Gi(e, this.constructor.defaultConfig),
                            this.config.define("plugins", t),
                            this.config.define(this._context._getEditorConfig()),
                            this.plugins = new Xi(this, t, this._context.plugins),
                            this.locale = this._context.locale,
                            this.t = this.locale.t,
                            this.commands = new Ua,
                            this.set("state", "initializing"),
                            this.once("ready", () => this.state = "ready", {
                                priority: "high"
                            }),
                            this.once("destroy", () => this.state = "destroyed", {
                                priority: "high"
                            }),
                            this.set("isReadOnly", !1),
                            this.model = new ml;
                            const i = new Qn;
                            this.data = new cc(this.model, i),
                            this.editing = new Ha(this.model, i),
                            this.editing.view.document.bind("isReadOnly").to(this),
                            this.conversion = new lc([this.editing.downcastDispatcher, this.data.downcastDispatcher], this.data.upcastDispatcher),
                            this.conversion.addAlias("dataDowncast", this.data.downcastDispatcher),
                            this.conversion.addAlias("editingDowncast", this.editing.downcastDispatcher),
                            this.keystrokes = new pl(this),
                            this.keystrokes.listenTo(this.editing.view.document)
                        }
                        initPlugins() {
                            const e = this.config,
                            t = e.get("plugins"),
                            i = e.get("removePlugins") || [],
                            n = e.get("extraPlugins") || [],
                            o = e.get("substitutePlugins") || [];
                            return this.plugins.init(t.concat(n), i, o)
                        }
                        destroy() {
                            let e = Promise.resolve();
                            return "initializing" == this.state && (e = new Promise(e => this.once("ready", e))),
                            e.then(() => {
                                this.fire("destroy"),
                                this.stopListening(),
                                this.commands.destroy()
                            }).then(() => this.plugins.destroy()).then(() => {
                                this.model.destroy(),
                                this.data.destroy(),
                                this.editing.destroy(),
                                this.keystrokes.destroy()
                            }).then(() => this._context._removeEditor(this))
                        }
                        execute(...e) {
                            try {
                                return this.commands.execute(...e)
                            } catch (e) {
                                c.a.rethrowUnexpectedError(e, this)
                            }
                        }
                        focus() {
                            this.editing.view.focus()
                        }
                    }
                    Ke(bl, Ue);
                    class wl {
                        constructor(e) {
                            this.editor = e,
                            this._components = new Map
                        }
                         * names() {
                            for (const e of this._components.values())
                                yield e.originalName
                        }
                        add(e, t) {
                            this._components.set(kl(e), {
                                callback: t,
                                originalName: e
                            })
                        }
                        create(e) {
                            if (!this.has(e))
                                throw new c.a("componentfactory-item-missing", this, {
                                    name: e
                                });
                            return this._components.get(kl(e)).callback(this.editor.locale)
                        }
                        has(e) {
                            return this._components.has(kl(e))
                        }
                    }
                    function kl(e) {
                        return String(e).toLowerCase()
                    }
                    class _l {
                        constructor(e) {
                            this.editor = e,
                            this.componentFactory = new wl(e),
                            this.focusTracker = new Rs,
                            this._editableElementsMap = new Map,
                            this.listenTo(e.editing.view.document, "layoutChanged", () => this.update())
                        }
                        get element() {
                            return null
                        }
                        update() {
                            this.fire("update")
                        }
                        destroy() {
                            this.stopListening(),
                            this.focusTracker.destroy();
                            for (const e of this._editableElementsMap.values())
                                e.ckeditorInstance = null;
                            this._editableElementsMap = new Map
                        }
                        setEditableElement(e, t) {
                            this._editableElementsMap.set(e, t),
                            t.ckeditorInstance || (t.ckeditorInstance = this.editor)
                        }
                        getEditableElement(e = "main") {
                            return this._editableElementsMap.get(e)
                        }
                        getEditableElementsNames() {
                            return this._editableElementsMap.keys()
                        }
                        get _editableElements() {
                            return console.warn("editor-ui-deprecated-editable-elements: The EditorUI#_editableElements property has been deprecated and will be removed in the near future.", {
                                editorUI: this
                            }),
                            this._editableElementsMap
                        }
                    }
                    Ke(_l, u);
                    var vl = {
                        setData(e) {
                            this.data.set(e)
                        },
                        getData(e) {
                            return this.data.get(e)
                        }
                    };
                    var yl = {
                        updateSourceElement() {
                            if (!this.sourceElement)
                                throw new c.a("editor-missing-sourceelement", this);
                            var e,
                            t;
                            e = this.sourceElement,
                            t = this.data.get(),
                            e instanceof HTMLTextAreaElement && (e.value = t),
                            e.innerHTML = t
                        }
                    };
                    class xl extends an {
                        static get pluginName() {
                            return "PendingActions"
                        }
                        init() {
                            this.set("hasAny", !1),
                            this._actions = new Zi({
                                idProperty: "_id"
                            }),
                            this._actions.delegate("add", "remove").to(this)
                        }
                        add(e) {
                            if ("string" != typeof e)
                                throw new c.a("pendingactions-add-invalid-message", this);
                            const t = Object.create(Ue);
                            return t.set("message", e),
                            this._actions.add(t),
                            this.hasAny = !0,
                            t
                        }
                        remove(e) {
                            this._actions.remove(e),
                            this.hasAny = !!this._actions.length
                        }
                        get first() {
                            return this._actions.get(0)
                        }
                        [Symbol.iterator]() {
                            return this._actions[Symbol.iterator]()
                        }
                    }
                    const Al = '<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="m11.591 10.177 4.243 4.242a1 1 0 0 1-1.415 1.415l-4.242-4.243-4.243 4.243a1 1 0 0 1-1.414-1.415l4.243-4.242L4.52 5.934A1 1 0 0 1 5.934 4.52l4.243 4.243 4.242-4.243a1 1 0 1 1 1.415 1.414l-4.243 4.243z"/></svg>',
                    Cl = '<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M6.972 16.615a.997.997 0 0 1-.744-.292l-4.596-4.596a1 1 0 1 1 1.414-1.414l3.926 3.926 9.937-9.937a1 1 0 0 1 1.414 1.415L7.717 16.323a.997.997 0 0 1-.745.292z"/></svg>',
                    Tl = '<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M5.085 6.22 2.943 4.078a.75.75 0 1 1 1.06-1.06l2.592 2.59A11.094 11.094 0 0 1 10 5.068c4.738 0 8.578 3.101 8.578 5.083 0 1.197-1.401 2.803-3.555 3.887l1.714 1.713a.75.75 0 0 1-.09 1.138.488.488 0 0 1-.15.084.75.75 0 0 1-.821-.16L6.17 7.304c-.258.11-.51.233-.757.365l6.239 6.24-.006.005.78.78c-.388.094-.78.166-1.174.215l-1.11-1.11h.011L4.55 8.197a7.2 7.2 0 0 0-.665.514l-.112.098 4.897 4.897-.005.006 1.276 1.276a10.164 10.164 0 0 1-1.477-.117l-.479-.479-.009.009-4.863-4.863-.022.031a2.563 2.563 0 0 0-.124.2c-.043.077-.08.158-.108.241a.534.534 0 0 0-.028.133.29.29 0 0 0 .008.072.927.927 0 0 0 .082.226c.067.133.145.26.234.379l3.242 3.365.025.01.59.623c-3.265-.918-5.59-3.155-5.59-4.668 0-1.194 1.448-2.838 3.663-3.93zm7.07.531a4.632 4.632 0 0 1 1.108 5.992l.345.344.046-.018a9.313 9.313 0 0 0 2-1.112c.256-.187.5-.392.727-.613.137-.134.27-.277.392-.431.072-.091.141-.185.203-.286.057-.093.107-.19.148-.292a.72.72 0 0 0 .036-.12.29.29 0 0 0 .008-.072.492.492 0 0 0-.028-.133.999.999 0 0 0-.036-.096 2.165 2.165 0 0 0-.071-.145 2.917 2.917 0 0 0-.125-.2 3.592 3.592 0 0 0-.263-.335 5.444 5.444 0 0 0-.53-.523 7.955 7.955 0 0 0-1.054-.768 9.766 9.766 0 0 0-1.879-.891c-.337-.118-.68-.219-1.027-.301zm-2.85.21-.069.002a.508.508 0 0 0-.254.097.496.496 0 0 0-.104.679.498.498 0 0 0 .326.199l.045.005c.091.003.181.003.272.012a2.45 2.45 0 0 1 2.017 1.513c.024.061.043.125.069.185a.494.494 0 0 0 .45.287h.008a.496.496 0 0 0 .35-.158.482.482 0 0 0 .13-.335.638.638 0 0 0-.048-.219 3.379 3.379 0 0 0-.36-.723 3.438 3.438 0 0 0-2.791-1.543l-.028-.001h-.013z"/></svg>',
                    El = '<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M6.91 10.54c.26-.23.64-.21.88.03l3.36 3.14 2.23-2.06a.64.64 0 0 1 .87 0l2.52 2.97V4.5H3.2v10.12l3.71-4.08zm10.27-7.51c.6 0 1.09.47 1.09 1.05v11.84c0 .59-.49 1.06-1.09 1.06H2.79c-.6 0-1.09-.47-1.09-1.06V4.08c0-.58.49-1.05 1.1-1.05h14.38zm-5.22 5.56a1.96 1.96 0 1 1 3.4-1.96 1.96 1.96 0 0 1-3.4 1.96z"/></svg>',
                    Pl = '<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg" clip-rule="evenodd" stroke-linejoin="round" stroke-miterlimit="1.414"><path d="M18 4.5V3H2v1.5h16zm0 3V6h-5.674v1.5H18zm0 3V9h-5.674v1.5H18zm0 3V12h-5.674v1.5H18zm-8.5-6V12h-6V7.5h6zm.818-1.5H2.682C2.305 6 2 6.407 2 6.91v5.68c0 .503.305.91.682.91h7.636c.377 0 .682-.407.682-.91V6.91c0-.503-.305-.91-.682-.91zM18 16.5V15H2v1.5h16z"/></svg>',
                    Sl = '<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2 4.5V3h16v1.5zm4.5 3V12h7V7.5h-7zM5.758 6h8.484c.419 0 .758.407.758.91v5.681c0 .502-.34.909-.758.909H5.758c-.419 0-.758-.407-.758-.91V6.91c0-.503.34-.91.758-.91zM2 16.5V15h16v1.5z"/></svg>',
                    Ml = '<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2 4.5V3h16v1.5zm0 3V6h5.674v1.5zm0 3V9h5.674v1.5zm0 3V12h5.674v1.5zm8.5-6V12h6V7.5h-6zM9.682 6h7.636c.377 0 .682.407.682.91v5.68c0 .503-.305.91-.682.91H9.682c-.377 0-.682-.407-.682-.91V6.91c0-.503.305-.91.682-.91zM2 16.5V15h16v1.5z"/></svg>',
                    Il = '<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2 4.5V3h16v1.5zm2.5 3V12h11V7.5h-11zM4.061 6H15.94c.586 0 1.061.407 1.061.91v5.68c0 .503-.475.91-1.061.91H4.06c-.585 0-1.06-.407-1.06-.91V6.91C3 6.406 3.475 6 4.061 6zM2 16.5V15h16v1.5z"/></svg>',
                    Nl = '<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="m7.3 17.37-.061.088a1.518 1.518 0 0 1-.934.535l-4.178.663-.806-4.153a1.495 1.495 0 0 1 .187-1.058l.056-.086L8.77 2.639c.958-1.351 2.803-1.076 4.296-.03 1.497 1.047 2.387 2.693 1.433 4.055L7.3 17.37zM9.14 4.728l-5.545 8.346 3.277 2.294 5.544-8.346L9.14 4.728zM6.07 16.512l-3.276-2.295.53 2.73 2.746-.435zM9.994 3.506 13.271 5.8c.316-.452-.16-1.333-1.065-1.966-.905-.634-1.895-.78-2.212-.328zM8 18.5 9.375 17H19v1.5H8z"/></svg>',
                    Rl = '<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M3 10.423a6.5 6.5 0 0 1 6.056-6.408l.038.67C6.448 5.423 5.354 7.663 5.22 10H9c.552 0 .5.432.5.986v4.511c0 .554-.448.503-1 .503h-5c-.552 0-.5-.449-.5-1.003v-4.574zm8 0a6.5 6.5 0 0 1 6.056-6.408l.038.67c-2.646.739-3.74 2.979-3.873 5.315H17c.552 0 .5.432.5.986v4.511c0 .554-.448.503-1 .503h-5c-.552 0-.5-.449-.5-1.003v-4.574z"/></svg>',
                    Ol = '<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><circle cx="9.5" cy="4.5" r="1.5"/><circle cx="9.5" cy="10.5" r="1.5"/><circle cx="9.5" cy="16.5" r="1.5"/></svg>';
                    function Dl({
                        emitter: e,
                        activator: t,
                        callback: i,
                        contextElements: n
                    }) {
                        e.listenTo(document, "mousedown", (e, o) => {
                            if (!t())
                                return;
                            const r = "function" == typeof o.composedPath ? o.composedPath() : [];
                            for (const e of n)
                                if (e.contains(o.target) || r.includes(e))
                                    return;
                            i()
                        })
                    }
                    function Ll(e) {
                        e.set("_isCssTransitionsDisabled", !1),
                        e.disableCssTransitions = () => {
                            e._isCssTransitionsDisabled = !0
                        },
                        e.enableCssTransitions = () => {
                            e._isCssTransitionsDisabled = !1
                        },
                        e.extendTemplate({
                            attributes: {
                                class: [e.bindTemplate.if("_isCssTransitionsDisabled", "ck-transitions-disabled")]
                            }
                        })
                    }
                    function zl({
                        view: e
                    }) {
                        e.listenTo(e.element, "submit", (t, i) => {
                            i.preventDefault(),
                            e.fire("submit")
                        }, {
                            useCapture: !0
                        })
                    }
                    class Vl extends Zi {
                        constructor(e = []) {
                            super(e, {
                                idProperty: "viewUid"
                            }),
                            this.on("add", (e, t, i) => {
                                this._renderViewIntoCollectionParent(t, i)
                            }),
                            this.on("remove", (e, t) => {
                                t.element && this._parentElement && t.element.remove()
                            }),
                            this._parentElement = null
                        }
                        destroy() {
                            this.map(e => e.destroy())
                        }
                        setParent(e) {
                            this._parentElement = e;
                            for (const e of this)
                                this._renderViewIntoCollectionParent(e)
                        }
                        delegate(...e) {
                            if (!e.length || !e.every(e => "string" == typeof e))
                                throw new c.a("ui-viewcollection-delegate-wrong-events", this);
                            return {
                                to: t => {
                                    for (const i of this)
                                        for (const n of e)
                                            i.delegate(n).to(t);
                                    this.on("add", (i, n) => {
                                        for (const i of e)
                                            n.delegate(i).to(t)
                                    }),
                                    this.on("remove", (i, n) => {
                                        for (const i of e)
                                            n.stopDelegating(i, t)
                                    })
                                }
                            }
                        }
                        _renderViewIntoCollectionParent(e, t) {
                            e.isRendered || e.render(),
                            e.element && this._parentElement && this._parentElement.insertBefore(e.element, this._parentElement.children[t])
                        }
                    }
                    i(14);
                    class jl {
                        constructor(e) {
                            this.element = null,
                            this.isRendered = !1,
                            this.locale = e,
                            this.t = e && e.t,
                            this._viewCollections = new Zi,
                            this._unboundChildren = this.createCollection(),
                            this._viewCollections.on("add", (t, i) => {
                                i.locale = e
                            }),
                            this.decorate("render")
                        }
                        get bindTemplate() {
                            return this._bindTemplate ? this._bindTemplate : this._bindTemplate = Bl.bind(this, this)
                        }
                        createCollection(e) {
                            const t = new Vl(e);
                            return this._viewCollections.add(t),
                            t
                        }
                        registerChild(e) {
                            Ji(e) || (e = [e]);
                            for (const t of e)
                                this._unboundChildren.add(t)
                        }
                        deregisterChild(e) {
                            Ji(e) || (e = [e]);
                            for (const t of e)
                                this._unboundChildren.remove(t)
                        }
                        setTemplate(e) {
                            this.template = new Bl(e)
                        }
                        extendTemplate(e) {
                            Bl.extend(this.template, e)
                        }
                        render() {
                            if (this.isRendered)
                                throw new c.a("ui-view-render-already-rendered", this);
                            this.template && (this.element = this.template.render(), this.registerChild(this.template.getViews())),
                            this.isRendered = !0
                        }
                        destroy() {
                            this.stopListening(),
                            this._viewCollections.map(e => e.destroy()),
                            this.template && this.template._revertData && this.template.revert(this.element)
                        }
                    }
                    Ke(jl, Ir),
                    Ke(jl, Ue);
                    class Bl {
                        constructor(e) {
                            Object.assign(this, Ql(Kl(e))),
                            this._isRendered = !1,
                            this._revertData = null
                        }
                        render() {
                            const e = this._renderNode({
                                intoFragment: !0
                            });
                            return this._isRendered = !0,
                            e
                        }
                        apply(e) {
                            return this._revertData = {
                                children: [],
                                bindings: [],
                                attributes: {}
                            },
                            this._renderNode({
                                node: e,
                                isApplying: !0,
                                revertData: this._revertData
                            }),
                            e
                        }
                        revert(e) {
                            if (!this._revertData)
                                throw new c.a("ui-template-revert-not-applied", [this, e]);
                            this._revertTemplateFromNode(e, this._revertData)
                        }
                         * getViews() {
                            yield * function  * e(t) {
                                if (t.children)
                                    for (const i of t.children)
                                        td(i) ? yield i : id(i) && (yield * e(i))
                            }
                            (this)
                        }
                        static bind(e, t) {
                            return {
                                to: (i, n) => new Hl({
                                    eventNameOrFunction: i,
                                    attribute: i,
                                    observable: e,
                                    emitter: t,
                                    callback: n
                                }),
                                if : (i, n, o)=> new Ul({
                                        observable: e,
                                        emitter: t,
                                        attribute: i,
                                        valueIfTrue: n,
                                        callback: o
                                    })
                            }
                        }
                        static extend(e, t) {
                            if (e._isRendered)
                                throw new c.a("template-extend-render", [this, e]);
                            !function e(t, i) {
                                i.attributes && (t.attributes || (t.attributes = {}), Xl(t.attributes, i.attributes));
                                i.eventListeners && (t.eventListeners || (t.eventListeners = {}), Xl(t.eventListeners, i.eventListeners));
                                i.text && t.text.push(...i.text);
                                if (i.children && i.children.length) {
                                    if (t.children.length != i.children.length)
                                        throw new c.a("ui-template-extend-children-mismatch", t);
                                    let n = 0;
                                    for (const o of i.children)
                                        e(t.children[n++], o)
                                }
                            }
                            (e, Ql(Kl(t)))
                        }
                        _renderNode(e) {
                            let t;
                            if (t = e.node ? this.tag && this.text : this.tag ? this.text : !this.text, t)
                                throw new c.a("ui-template-wrong-syntax", this);
                            return this.text ? this._renderText(e) : this._renderElement(e)
                        }
                        _renderElement(e) {
                            let t = e.node;
                            return t || (t = e.node = document.createElementNS(this.ns || "http://www.w3.org/1999/xhtml", this.tag)),
                            this._renderAttributes(e),
                            this._renderElementChildren(e),
                            this._setUpListeners(e),
                            t
                        }
                        _renderText(e) {
                            let t = e.node;
                            return t ? e.revertData.text = t.textContent : t = e.node = document.createTextNode(""),
                            Wl(this.text) ? this._bindToObservable({
                                schema: this.text,
                                updater: $l(t),
                                data: e
                            }) : t.textContent = this.text.join(""),
                            t
                        }
                        _renderAttributes(e) {
                            let t,
                            i,
                            n,
                            o;
                            if (!this.attributes)
                                return;
                            const r = e.node,
                            s = e.revertData;
                            for (t in this.attributes)
                                if (n = r.getAttribute(t), i = this.attributes[t], s && (s.attributes[t] = n), o = w(i[0]) && i[0].ns ? i[0].ns : null, Wl(i)) {
                                    const a = o ? i[0].value : i;
                                    s && od(t) && a.unshift(n),
                                    this._bindToObservable({
                                        schema: a,
                                        updater: Yl(r, t, o),
                                        data: e
                                    })
                                } else
                                    "style" == t && "string" != typeof i[0] ? this._renderStyleAttribute(i[0], e) : (s && n && od(t) && i.unshift(n), i = i.map(e => e && e.value || e).reduce((e, t) => e.concat(t), []).reduce(Zl, ""), ed(i) || r.setAttributeNS(o, t, i))
                        }
                        _renderStyleAttribute(e, t) {
                            const i = t.node;
                            for (const n in e) {
                                const o = e[n];
                                Wl(o) ? this._bindToObservable({
                                    schema: [o],
                                    updater: Gl(i, n),
                                    data: t
                                }) : i.style[n] = o
                            }
                        }
                        _renderElementChildren(e) {
                            const t = e.node,
                            i = e.intoFragment ? document.createDocumentFragment() : t,
                            n = e.isApplying;
                            let o = 0;
                            for (const r of this.children)
                                if (nd(r)) {
                                    if (!n) {
                                        r.setParent(t);
                                        for (const e of r)
                                            i.appendChild(e.element)
                                    }
                                } else if (td(r))
                                    n || (r.isRendered || r.render(), i.appendChild(r.element));
                                else if (mr(r))
                                    i.appendChild(r);
                                else if (n) {
                                    const t = {
                                        children: [],
                                        bindings: [],
                                        attributes: {}
                                    };
                                    e.revertData.children.push(t),
                                    r._renderNode({
                                        node: i.childNodes[o++],
                                        isApplying: !0,
                                        revertData: t
                                    })
                                } else
                                    i.appendChild(r.render());
                            e.intoFragment && t.appendChild(i)
                        }
                        _setUpListeners(e) {
                            if (this.eventListeners)
                                for (const t in this.eventListeners) {
                                    const i = this.eventListeners[t].map(i => {
                                        const[n, o] = t.split("@");
                                        return i.activateDomEventListener(n, o, e)
                                    });
                                    e.revertData && e.revertData.bindings.push(i)
                                }
                        }
                        _bindToObservable({
                            schema: e,
                            updater: t,
                            data: i
                        }) {
                            const n = i.revertData;
                            ql(e, t, i);
                            const o = e.filter(e => !ed(e)).filter(e => e.observable).map(n => n.activateAttributeListener(e, t, i));
                            n && n.bindings.push(o)
                        }
                        _revertTemplateFromNode(e, t) {
                            for (const e of t.bindings)
                                for (const t of e)
                                    t();
                            if (t.text)
                                e.textContent = t.text;
                            else {
                                for (const i in t.attributes) {
                                    const n = t.attributes[i];
                                    null === n ? e.removeAttribute(i) : e.setAttribute(i, n)
                                }
                                for (let i = 0; i < t.children.length; ++i)
                                    this._revertTemplateFromNode(e.childNodes[i], t.children[i])
                            }
                        }
                    }
                    Ke(Bl, u);
                    class Fl {
                        constructor(e) {
                            Object.assign(this, e)
                        }
                        getValue(e) {
                            const t = this.observable[this.attribute];
                            return this.callback ? this.callback(t, e) : t
                        }
                        activateAttributeListener(e, t, i) {
                            const n = () => ql(e, t, i);
                            return this.emitter.listenTo(this.observable, "change:" + this.attribute, n),
                            () => {
                                this.emitter.stopListening(this.observable, "change:" + this.attribute, n)
                            }
                        }
                    }
                    class Hl extends Fl {
                        activateDomEventListener(e, t, i) {
                            const n = (e, i) => {
                                t && !i.target.matches(t) || ("function" == typeof this.eventNameOrFunction ? this.eventNameOrFunction(i) : this.observable.fire(this.eventNameOrFunction, i))
                            };
                            return this.emitter.listenTo(i.node, e, n),
                            () => {
                                this.emitter.stopListening(i.node, e, n)
                            }
                        }
                    }
                    class Ul extends Fl {
                        getValue(e) {
                            return !ed(super.getValue(e)) && (this.valueIfTrue || !0)
                        }
                    }
                    function Wl(e) {
                        return !!e && (e.value && (e = e.value), Array.isArray(e) ? e.some(Wl) : e instanceof Fl)
                    }
                    function ql(e, t, {
                        node: i
                    }) {
                        let n = function (e, t) {
                            return e.map(e => e instanceof Fl ? e.getValue(t) : e)
                        }
                        (e, i);
                        n = 1 == e.length && e[0]instanceof Ul ? n[0] : n.reduce(Zl, ""),
                        ed(n) ? t.remove() : t.set(n)
                    }
                    function $l(e) {
                        return {
                            set(t) {
                                e.textContent = t
                            },
                            remove() {
                                e.textContent = ""
                            }
                        }
                    }
                    function Yl(e, t, i) {
                        return {
                            set(n) {
                                e.setAttributeNS(i, t, n)
                            },
                            remove() {
                                e.removeAttributeNS(i, t)
                            }
                        }
                    }
                    function Gl(e, t) {
                        return {
                            set(i) {
                                e.style[t] = i
                            },
                            remove() {
                                e.style[t] = null
                            }
                        }
                    }
                    function Kl(e) {
                        return $i(e, e => {
                            if (e && (e instanceof Fl || id(e) || td(e) || nd(e)))
                                return e
                        })
                    }
                    function Ql(e) {
                        if ("string" == typeof e ? e = function (e) {
                            return {
                                text: [e]
                            }
                        }
                            (e) : e.text && function (e) {
                            e.text = en(e.text)
                        }
                            (e), e.on && (e.eventListeners = function (e) {
                                for (const t in e)
                                    Jl(e, t);
                                    return e
                                }
                                    (e.on), delete e.on), !e.text) {
                                e.attributes && function (e) {
                                    for (const t in e)
                                        e[t].value && (e[t].value = en(e[t].value)), Jl(e, t)
                                }
                                (e.attributes);
                                const t = [];
                                if (e.children)
                                    if (nd(e.children))
                                        t.push(e.children);
                                    else
                                        for (const i of e.children)
                                            id(i) || td(i) || mr(i) ? t.push(i) : t.push(new Bl(i));
                                e.children = t
                            }
                        return e
                    }
                    function Jl(e, t) {
                        e[t] = en(e[t])
                    }
                    function Zl(e, t) {
                        return ed(t) ? e : ed(e) ? t : `${e} ${t}`
                    }
                    function Xl(e, t) {
                        for (const i in t)
                            e[i] ? e[i].push(...t[i]) : e[i] = t[i]
                    }
                    function ed(e) {
                        return !e && 0 !== e
                    }
                    function td(e) {
                        return e instanceof jl
                    }
                    function id(e) {
                        return e instanceof Bl
                    }
                    function nd(e) {
                        return e instanceof Vl
                    }
                    function od(e) {
                        return "class" == e || "style" == e
                    }
                    class rd extends Vl {
                        constructor(e, t = []) {
                            super(t),
                            this.locale = e
                        }
                        attachToDom() {
                            this._bodyCollectionContainer = new Bl({
                                tag: "div",
                                attributes: {
                                    class: ["ck", "ck-reset_all", "ck-body", "ck-rounded-corners"],
                                    dir: this.locale.uiLanguageDirection
                                },
                                children: this
                            }).render();
                            let e = document.querySelector(".ck-body-wrapper");
                            e || (e = function (e, t, i = {}, n = []) {
                                const o = i && i.xmlns,
                                r = o ? e.createElementNS(o, t) : e.createElement(t);
                                for (const e in i)
                                    r.setAttribute(e, i[e]);
                                !ys(n) && Ji(n) || (n = [n]);
                                for (let t of n)
                                    ys(t) && (t = e.createTextNode(t)), r.appendChild(t);
                                return r
                            }
                                (document, "div", {
                                    class: "ck-body-wrapper"
                                }), document.body.appendChild(e)),
                            e.appendChild(this._bodyCollectionContainer)
                        }
                        detachFromDom() {
                            super.destroy(),
                            this._bodyCollectionContainer && this._bodyCollectionContainer.remove();
                            const e = document.querySelector(".ck-body-wrapper");
                            e && 0 == e.childElementCount && e.remove()
                        }
                    }
                    i(16);
                    class sd extends jl {
                        constructor() {
                            super();
                            const e = this.bindTemplate;
                            this.set("content", ""),
                            this.set("viewBox", "0 0 20 20"),
                            this.set("fillColor", ""),
                            this.setTemplate({
                                tag: "svg",
                                ns: "http://www.w3.org/2000/svg",
                                attributes: {
                                    class: ["ck", "ck-icon"],
                                    viewBox: e.to("viewBox")
                                }
                            })
                        }
                        render() {
                            super.render(),
                            this._updateXMLContent(),
                            this._colorFillPaths(),
                            this.on("change:content", () => {
                                this._updateXMLContent(),
                                this._colorFillPaths()
                            }),
                            this.on("change:fillColor", () => {
                                this._colorFillPaths()
                            })
                        }
                        _updateXMLContent() {
                            if (this.content) {
                                const e = (new DOMParser).parseFromString(this.content.trim(), "image/svg+xml").querySelector("svg"),
                                t = e.getAttribute("viewBox");
                                for (t && (this.viewBox = t), this.element.innerHTML = ""; e.childNodes.length > 0; )
                                    this.element.appendChild(e.childNodes[0])
                            }
                        }
                        _colorFillPaths() {
                            this.fillColor && this.element.querySelectorAll(".ck-icon__fill").forEach(e => {
                                e.style.fill = this.fillColor
                            })
                        }
                    }
                    i(18);
                    class ad extends jl {
                        constructor(e) {
                            super(e),
                            this.set("text", ""),
                            this.set("position", "s");
                            const t = this.bindTemplate;
                            this.setTemplate({
                                tag: "span",
                                attributes: {
                                    class: ["ck", "ck-tooltip", t.to("position", e => "ck-tooltip_" + e), t.if("text", "ck-hidden", e => !e.trim())]
                                },
                                children: [{
                                        tag: "span",
                                        attributes: {
                                            class: ["ck", "ck-tooltip__text"]
                                        },
                                        children: [{
                                                text: t.to("text")
                                            }
                                        ]
                                    }
                                ]
                            })
                        }
                    }
                    i(20);
                    class cd extends jl {
                        constructor(e) {
                            super(e);
                            const t = this.bindTemplate,
                            i = s();
                            this.set("class"),
                            this.set("labelStyle"),
                            this.set("icon"),
                            this.set("isEnabled", !0),
                            this.set("isOn", !1),
                            this.set("isVisible", !0),
                            this.set("isToggleable", !1),
                            this.set("keystroke"),
                            this.set("label"),
                            this.set("tabindex", -1),
                            this.set("tooltip"),
                            this.set("tooltipPosition", "s"),
                            this.set("type", "button"),
                            this.set("withText", !1),
                            this.set("withKeystroke", !1),
                            this.children = this.createCollection(),
                            this.tooltipView = this._createTooltipView(),
                            this.labelView = this._createLabelView(i),
                            this.iconView = new sd,
                            this.iconView.extendTemplate({
                                attributes: {
                                    class: "ck-button__icon"
                                }
                            }),
                            this.keystrokeView = this._createKeystrokeView(),
                            this.bind("_tooltipString").to(this, "tooltip", this, "label", this, "keystroke", this._getTooltipString.bind(this)),
                            this.setTemplate({
                                tag: "button",
                                attributes: {
                                    class: ["ck", "ck-button", t.to("class"), t.if("isEnabled", "ck-disabled", e => !e), t.if("isVisible", "ck-hidden", e => !e), t.to("isOn", e => e ? "ck-on" : "ck-off"), t.if("withText", "ck-button_with-text"), t.if("withKeystroke", "ck-button_with-keystroke")],
                                    type: t.to("type", e => e || "button"),
                                    tabindex: t.to("tabindex"),
                                    "aria-labelledby": "ck-editor__aria-label_" + i,
                                    "aria-disabled": t.if("isEnabled", !0, e => !e),
                                    "aria-pressed": t.to("isOn", e => !!this.isToggleable && String(e))
                                },
                                children: this.children,
                                on: {
                                    mousedown: t.to(e => {
                                        e.preventDefault()
                                    }),
                                    click: t.to(e => {
                                        this.isEnabled ? this.fire("execute") : e.preventDefault()
                                    })
                                }
                            })
                        }
                        render() {
                            super.render(),
                            this.icon && (this.iconView.bind("content").to(this, "icon"), this.children.add(this.iconView)),
                            this.children.add(this.tooltipView),
                            this.children.add(this.labelView),
                            this.withKeystroke && this.children.add(this.keystrokeView)
                        }
                        focus() {
                            this.element.focus()
                        }
                        _createTooltipView() {
                            const e = new ad;
                            return e.bind("text").to(this, "_tooltipString"),
                            e.bind("position").to(this, "tooltipPosition"),
                            e
                        }
                        _createLabelView(e) {
                            const t = new jl,
                            i = this.bindTemplate;
                            return t.setTemplate({
                                tag: "span",
                                attributes: {
                                    class: ["ck", "ck-button__label"],
                                    style: i.to("labelStyle"),
                                    id: "ck-editor__aria-label_" + e
                                },
                                children: [{
                                        text: this.bindTemplate.to("label")
                                    }
                                ]
                            }),
                            t
                        }
                        _createKeystrokeView() {
                            const e = new jl;
                            return e.setTemplate({
                                tag: "span",
                                attributes: {
                                    class: ["ck", "ck-button__keystroke"]
                                },
                                children: [{
                                        text: this.bindTemplate.to("keystroke", e => Do(e))
                                    }
                                ]
                            }),
                            e
                        }
                        _getTooltipString(e, t, i) {
                            return e ? "string" == typeof e ? e : (i && (i = Do(i)), e instanceof Function ? e(t, i) : `${t}${i?`($ {
                                    i
                                })`:""}`) : ""
                        }
                    }
                    i(22);
                    class ld extends cd {
                        constructor(e) {
                            super(e),
                            this.isToggleable = !0,
                            this.toggleSwitchView = this._createToggleView(),
                            this.extendTemplate({
                                attributes: {
                                    class: "ck-switchbutton"
                                }
                            })
                        }
                        render() {
                            super.render(),
                            this.children.add(this.toggleSwitchView)
                        }
                        _createToggleView() {
                            const e = new jl;
                            return e.setTemplate({
                                tag: "span",
                                attributes: {
                                    class: ["ck", "ck-button__toggle"]
                                },
                                children: [{
                                        tag: "span",
                                        attributes: {
                                            class: ["ck", "ck-button__toggle__inner"]
                                        }
                                    }
                                ]
                            }),
                            e
                        }
                    }
                    class dd {
                        constructor(e) {
                            if (Object.assign(this, e), e.actions && e.keystrokeHandler)
                                for (const t in e.actions) {
                                    let i = e.actions[t];
                                    "string" == typeof i && (i = [i]);
                                    for (const n of i)
                                        e.keystrokeHandler.set(n, (e, i) => {
                                            this[t](),
                                            i()
                                        })
                                }
                        }
                        get first() {
                            return this.focusables.find(ud) || null
                        }
                        get last() {
                            return this.focusables.filter(ud).slice(-1)[0] || null
                        }
                        get next() {
                            return this._getFocusableItem(1)
                        }
                        get previous() {
                            return this._getFocusableItem(-1)
                        }
                        get current() {
                            let e = null;
                            return null === this.focusTracker.focusedElement ? null : (this.focusables.find((t, i) => {
                                    const n = t.element === this.focusTracker.focusedElement;
                                    return n && (e = i),
                                    n
                                }), e)
                        }
                        focusFirst() {
                            this._focus(this.first)
                        }
                        focusLast() {
                            this._focus(this.last)
                        }
                        focusNext() {
                            this._focus(this.next)
                        }
                        focusPrevious() {
                            this._focus(this.previous)
                        }
                        _focus(e) {
                            e && e.focus()
                        }
                        _getFocusableItem(e) {
                            const t = this.current,
                            i = this.focusables.length;
                            if (!i)
                                return null;
                            if (null === t)
                                return this[1 === e ? "first" : "last"];
                            let n = (t + i + e) % i;
                            do {
                                const t = this.focusables.get(n);
                                if (ud(t))
                                    return t;
                                n = (n + i + e) % i
                            } while (n !== t);
                            return null
                        }
                    }
                    function ud(e) {
                        return !(!e.focus || "none" == _r.window.getComputedStyle(e.element).display)
                    }
                    i(24);
                    var hd = '<svg viewBox="0 0 10 10" xmlns="http://www.w3.org/2000/svg"><path d="M.941 4.523a.75.75 0 1 1 1.06-1.06l3.006 3.005 3.005-3.005a.75.75 0 1 1 1.06 1.06l-3.549 3.55a.75.75 0 0 1-1.168-.136L.941 4.523z"/></svg>';
                    class fd extends cd {
                        constructor(e) {
                            super(e),
                            this.arrowView = this._createArrowView(),
                            this.extendTemplate({
                                attributes: {
                                    "aria-haspopup": !0
                                }
                            }),
                            this.delegate("execute").to(this, "open")
                        }
                        render() {
                            super.render(),
                            this.children.add(this.arrowView)
                        }
                        _createArrowView() {
                            const e = new sd;
                            return e.content = hd,
                            e.extendTemplate({
                                attributes: {
                                    class: "ck-dropdown__arrow"
                                }
                            }),
                            e
                        }
                    }
                    i(26);
                    class gd extends jl {
                        constructor(e) {
                            super(e);
                            const t = this.bindTemplate;
                            this.set("icon"),
                            this.set("isEnabled", !0),
                            this.set("isOn", !1),
                            this.set("isToggleable", !1),
                            this.set("isVisible", !0),
                            this.set("keystroke"),
                            this.set("label"),
                            this.set("tabindex", -1),
                            this.set("tooltip"),
                            this.set("tooltipPosition", "s"),
                            this.set("type", "button"),
                            this.set("withText", !1),
                            this.children = this.createCollection(),
                            this.actionView = this._createActionView(),
                            this.arrowView = this._createArrowView(),
                            this.keystrokes = new Os,
                            this.focusTracker = new Rs,
                            this.setTemplate({
                                tag: "div",
                                attributes: {
                                    class: ["ck", "ck-splitbutton", t.if("isVisible", "ck-hidden", e => !e), this.arrowView.bindTemplate.if("isOn", "ck-splitbutton_open")]
                                },
                                children: this.children
                            })
                        }
                        render() {
                            super.render(),
                            this.children.add(this.actionView),
                            this.children.add(this.arrowView),
                            this.focusTracker.add(this.actionView.element),
                            this.focusTracker.add(this.arrowView.element),
                            this.keystrokes.listenTo(this.element),
                            this.keystrokes.set("arrowright", (e, t) => {
                                this.focusTracker.focusedElement === this.actionView.element && (this.arrowView.focus(), t())
                            }),
                            this.keystrokes.set("arrowleft", (e, t) => {
                                this.focusTracker.focusedElement === this.arrowView.element && (this.actionView.focus(), t())
                            })
                        }
                        focus() {
                            this.actionView.focus()
                        }
                        _createActionView() {
                            const e = new cd;
                            return e.bind("icon", "isEnabled", "isOn", "isToggleable", "keystroke", "label", "tabindex", "tooltip", "tooltipPosition", "type", "withText").to(this),
                            e.extendTemplate({
                                attributes: {
                                    class: "ck-splitbutton__action"
                                }
                            }),
                            e.delegate("execute").to(this),
                            e
                        }
                        _createArrowView() {
                            const e = new cd,
                            t = e.bindTemplate;
                            return e.icon = hd,
                            e.extendTemplate({
                                attributes: {
                                    class: "ck-splitbutton__arrow",
                                    "aria-haspopup": !0,
                                    "aria-expanded": t.to("isOn", e => String(e))
                                }
                            }),
                            e.bind("isEnabled").to(this),
                            e.delegate("execute").to(this, "open"),
                            e
                        }
                    }
                    class md extends jl {
                        constructor(e) {
                            super(e);
                            const t = this.bindTemplate;
                            this.set("isVisible", !1),
                            this.set("position", "se"),
                            this.children = this.createCollection(),
                            this.setTemplate({
                                tag: "div",
                                attributes: {
                                    class: ["ck", "ck-reset", "ck-dropdown__panel", t.to("position", e => "ck-dropdown__panel_" + e), t.if("isVisible", "ck-dropdown__panel-visible")]
                                },
                                children: this.children,
                                on: {
                                    selectstart: t.to(e => e.preventDefault())
                                }
                            })
                        }
                        focus() {
                            this.children.length && this.children.first.focus()
                        }
                        focusLast() {
                            if (this.children.length) {
                                const e = this.children.last;
                                "function" == typeof e.focusLast ? e.focusLast() : e.focus()
                            }
                        }
                    }
                    i(28);
                    function pd({
                        element: e,
                        target: t,
                        positions: i,
                        limiter: n,
                        fitInViewport: o
                    }) {
                        I(t) && (t = t()),
                        I(n) && (n = n());
                        const r = function (e) {
                            return e && e.parentNode ? e.offsetParent === _r.document.body ? null : e.offsetParent : null
                        }
                        (e),
                        s = new Ts(e),
                        a = new Ts(t);
                        let c,
                        l;
                        if (n || o) {
                            const e = function (e, t) {
                                const {
                                    elementRect: i,
                                    viewportRect: n
                                } = t,
                                o = i.getArea(),
                                r = function (e, {
                                    targetRect: t,
                                    elementRect: i,
                                    limiterRect: n,
                                    viewportRect: o
                                }) {
                                    const r = [],
                                    s = i.getArea();
                                    for (const a of e) {
                                        const e = bd(a, t, i);
                                        if (!e)
                                            continue;
                                        const[c, l] = e;
                                        let d = 0,
                                        u = 0;
                                        if (n)
                                            if (o) {
                                                const e = n.getIntersection(o);
                                                e && (d = e.getIntersectionArea(l))
                                            } else
                                                d = n.getIntersectionArea(l);
                                        o && (u = o.getIntersectionArea(l));
                                        const h = {
                                            positionName: c,
                                            positionRect: l,
                                            limiterIntersectArea: d,
                                            viewportIntersectArea: u
                                        };
                                        if (d === s)
                                            return [h];
                                        r.push(h)
                                    }
                                    return r
                                }
                                (e, t);
                                if (n) {
                                    const e = wd(r.filter(({
                                                    viewportIntersectArea: e
                                                }) => e === o), o);
                                    if (e)
                                        return e
                                }
                                return wd(r, o)
                            }
                            (i, {
                                targetRect: a,
                                elementRect: s,
                                limiterRect: n && new Ts(n).getVisible(),
                                viewportRect: o && new Ts(_r.window)
                            });
                            [l, c] = e || bd(i[0], a, s)
                        } else [l, c] = bd(i[0], a, s);
                        let d = kd(c);
                        return r && (d = function ({
                                left: e,
                                top: t
                            }, i) {
                            const n = kd(new Ts(i)),
                            o = As(i);
                            return e -= n.left,
                            t -= n.top,
                            e += i.scrollLeft,
                            t += i.scrollTop,
                            e -= o.left,
                            t -= o.top, {
                                left: e,
                                top: t
                            }
                        }
                            (d, r)), {
                            left: d.left,
                            top: d.top,
                            name: l
                        }
                    }
                    function bd(e, t, i) {
                        const n = e(t, i);
                        if (!n)
                            return null;
                        const {
                            left: o,
                            top: r,
                            name: s
                        } = n;
                        return [s, i.clone().moveTo(o, r)]
                    }
                    function wd(e, t) {
                        let i,
                        n,
                        o = 0;
                        for (const {
                            positionName: r,
                            positionRect: s,
                            limiterIntersectArea: a,
                            viewportIntersectArea: c
                        }
                            of e) {
                            if (a === t)
                                return [r, s];
                            const e = c ** 2 + a ** 2;
                            e > o && (o = e, i = s, n = r)
                        }
                        return i ? [n, i] : null
                    }
                    function kd({
                        left: e,
                        top: t
                    }) {
                        const {
                            scrollX: i,
                            scrollY: n
                        } = _r.window;
                        return {
                            left: e + i,
                            top: t + n
                        }
                    }
                    class _d extends jl {
                        constructor(e, t, i) {
                            super(e);
                            const n = this.bindTemplate;
                            this.buttonView = t,
                            this.panelView = i,
                            this.set("isOpen", !1),
                            this.set("isEnabled", !0),
                            this.set("class"),
                            this.set("id"),
                            this.set("panelPosition", "auto"),
                            this.keystrokes = new Os,
                            this.setTemplate({
                                tag: "div",
                                attributes: {
                                    class: ["ck", "ck-dropdown", n.to("class"), n.if("isEnabled", "ck-disabled", e => !e)],
                                    id: n.to("id"),
                                    "aria-describedby": n.to("ariaDescribedById")
                                },
                                children: [t, i]
                            }),
                            t.extendTemplate({
                                attributes: {
                                    class: ["ck-dropdown__button"]
                                }
                            })
                        }
                        render() {
                            super.render(),
                            this.listenTo(this.buttonView, "open", () => {
                                this.isOpen = !this.isOpen
                            }),
                            this.panelView.bind("isVisible").to(this, "isOpen"),
                            this.on("change:isOpen", () => {
                                this.isOpen && ("auto" === this.panelPosition ? this.panelView.position = _d._getOptimalPosition({
                                        element: this.panelView.element,
                                        target: this.buttonView.element,
                                        fitInViewport: !0,
                                        positions: this._panelPositions
                                    }).name : this.panelView.position = this.panelPosition)
                            }),
                            this.keystrokes.listenTo(this.element);
                            const e = (e, t) => {
                                this.isOpen && (this.buttonView.focus(), this.isOpen = !1, t())
                            };
                            this.keystrokes.set("arrowdown", (e, t) => {
                                this.buttonView.isEnabled && !this.isOpen && (this.isOpen = !0, t())
                            }),
                            this.keystrokes.set("arrowright", (e, t) => {
                                this.isOpen && t()
                            }),
                            this.keystrokes.set("arrowleft", e),
                            this.keystrokes.set("esc", e)
                        }
                        focus() {
                            this.buttonView.focus()
                        }
                        get _panelPositions() {
                            const {
                                south: e,
                                north: t,
                                southEast: i,
                                southWest: n,
                                northEast: o,
                                northWest: r,
                                southMiddleEast: s,
                                southMiddleWest: a,
                                northMiddleEast: c,
                                northMiddleWest: l
                            } = _d.defaultPanelPositions;
                            return "rtl" !== this.locale.uiLanguageDirection ? [i, n, s, a, e, o, r, c, l, t] : [n, i, a, s, e, r, o, l, c, t]
                        }
                    }
                    _d.defaultPanelPositions = {
                        south: (e, t) => ({
                            top: e.bottom,
                            left: e.left - (t.width - e.width) / 2,
                            name: "s"
                        }),
                        southEast: e => ({
                            top: e.bottom,
                            left: e.left,
                            name: "se"
                        }),
                        southWest: (e, t) => ({
                            top: e.bottom,
                            left: e.left - t.width + e.width,
                            name: "sw"
                        }),
                        southMiddleEast: (e, t) => ({
                            top: e.bottom,
                            left: e.left - (t.width - e.width) / 4,
                            name: "sme"
                        }),
                        southMiddleWest: (e, t) => ({
                            top: e.bottom,
                            left: e.left - 3 * (t.width - e.width) / 4,
                            name: "smw"
                        }),
                        north: (e, t) => ({
                            top: e.top - t.height,
                            left: e.left - (t.width - e.width) / 2,
                            name: "n"
                        }),
                        northEast: (e, t) => ({
                            top: e.top - t.height,
                            left: e.left,
                            name: "ne"
                        }),
                        northWest: (e, t) => ({
                            top: e.top - t.height,
                            left: e.left - t.width + e.width,
                            name: "nw"
                        }),
                        northMiddleEast: (e, t) => ({
                            top: e.top - t.height,
                            left: e.left - (t.width - e.width) / 4,
                            name: "nme"
                        }),
                        northMiddleWest: (e, t) => ({
                            top: e.top - t.height,
                            left: e.left - 3 * (t.width - e.width) / 4,
                            name: "nmw"
                        })
                    },
                    _d._getOptimalPosition = pd;
                    class vd extends jl {
                        constructor(e) {
                            super(e),
                            this.setTemplate({
                                tag: "span",
                                attributes: {
                                    class: ["ck", "ck-toolbar__separator"]
                                }
                            })
                        }
                    }
                    class yd extends jl {
                        constructor(e) {
                            super(e),
                            this.setTemplate({
                                tag: "span",
                                attributes: {
                                    class: ["ck", "ck-toolbar__line-break"]
                                }
                            })
                        }
                    }
                    function xd(e) {
                        return Array.isArray(e) ? {
                            items: e,
                            removeItems: []
                        }
                         : e ? Object.assign({
                            items: [],
                            removeItems: []
                        }, e) : {
                            items: [],
                            removeItems: []
                        }
                    }
                    i(30);
                    class Ad extends jl {
                        constructor(e, t) {
                            super(e);
                            const i = this.bindTemplate,
                            n = this.t;
                            this.options = t || {},
                            this.set("ariaLabel", n("Editor toolbar")),
                            this.set("maxWidth", "auto"),
                            this.items = this.createCollection(),
                            this.focusTracker = new Rs,
                            this.keystrokes = new Os,
                            this.set("class"),
                            this.set("isCompact", !1),
                            this.itemsView = new Cd(e),
                            this.children = this.createCollection(),
                            this.children.add(this.itemsView),
                            this.focusables = this.createCollection(),
                            this._focusCycler = new dd({
                                focusables: this.focusables,
                                focusTracker: this.focusTracker,
                                keystrokeHandler: this.keystrokes,
                                actions: {
                                    focusPrevious: ["arrowleft", "arrowup"],
                                    focusNext: ["arrowright", "arrowdown"]
                                }
                            });
                            const o = ["ck", "ck-toolbar", i.to("class"), i.if("isCompact", "ck-toolbar_compact")];
                            var r;
                            this.options.shouldGroupWhenFull && this.options.isFloating && o.push("ck-toolbar_floating"),
                            this.setTemplate({
                                tag: "div",
                                attributes: {
                                    class: o,
                                    role: "toolbar",
                                    "aria-label": i.to("ariaLabel"),
                                    style: {
                                        maxWidth: i.to("maxWidth")
                                    }
                                },
                                children: this.children,
                                on: {
                                    mousedown: (r = this, r.bindTemplate.to(e => {
                                            e.target === r.element && e.preventDefault()
                                        }))
                                }
                            }),
                            this._behavior = this.options.shouldGroupWhenFull ? new Ed(this) : new Td(this)
                        }
                        render() {
                            super.render();
                            for (const e of this.items)
                                this.focusTracker.add(e.element);
                            this.items.on("add", (e, t) => {
                                this.focusTracker.add(t.element)
                            }),
                            this.items.on("remove", (e, t) => {
                                this.focusTracker.remove(t.element)
                            }),
                            this.keystrokes.listenTo(this.element),
                            this._behavior.render(this)
                        }
                        destroy() {
                            return this._behavior.destroy(),
                            super.destroy()
                        }
                        focus() {
                            this._focusCycler.focusFirst()
                        }
                        focusLast() {
                            this._focusCycler.focusLast()
                        }
                        fillFromConfig(e, t) {
                            const i = xd(e),
                            n = i.items.filter((e, n, o) => "|" === e || -1 === i.removeItems.indexOf(e) && ("-" === e ? !this.options.shouldGroupWhenFull || (Object(c.b)("toolbarview-line-break-ignored-when-grouping-items", o), !1) : !!t.has(e) || (Object(c.b)("toolbarview-item-unavailable", {
                                                name: e
                                            }), !1))),
                            o = this._cleanSeparators(n).map(e => "|" === e ? new vd : "-" === e ? new yd : t.create(e));
                            this.items.addMany(o)
                        }
                        _cleanSeparators(e) {
                            const t = e => "-" !== e && "|" !== e,
                            i = e.length,
                            n = e.findIndex(t),
                            o = i - e.slice().reverse().findIndex(t);
                            return e.slice(n, o).filter((e, i, n) => {
                                if (t(e))
                                    return !0;
                                return !(i > 0 && n[i - 1] === e)
                            })
                        }
                    }
                    class Cd extends jl {
                        constructor(e) {
                            super(e),
                            this.children = this.createCollection(),
                            this.setTemplate({
                                tag: "div",
                                attributes: {
                                    class: ["ck", "ck-toolbar__items"]
                                },
                                children: this.children
                            })
                        }
                    }
                    class Td {
                        constructor(e) {
                            const t = e.bindTemplate;
                            e.set("isVertical", !1),
                            e.itemsView.children.bindTo(e.items).using(e => e),
                            e.focusables.bindTo(e.items).using(e => e),
                            e.extendTemplate({
                                attributes: {
                                    class: [t.if("isVertical", "ck-toolbar_vertical")]
                                }
                            })
                        }
                        render() {}
                        destroy() {}
                    }
                    class Ed {
                        constructor(e) {
                            this.view = e,
                            this.viewChildren = e.children,
                            this.viewFocusables = e.focusables,
                            this.viewItemsView = e.itemsView,
                            this.viewFocusTracker = e.focusTracker,
                            this.viewLocale = e.locale,
                            this.ungroupedItems = e.createCollection(),
                            this.groupedItems = e.createCollection(),
                            this.groupedItemsDropdown = this._createGroupedItemsDropdown(),
                            this.resizeObserver = null,
                            this.cachedPadding = null,
                            this.shouldUpdateGroupingOnNextResize = !1,
                            e.itemsView.children.bindTo(this.ungroupedItems).using(e => e),
                            this.ungroupedItems.on("add", this._updateFocusCycleableItems.bind(this)),
                            this.ungroupedItems.on("remove", this._updateFocusCycleableItems.bind(this)),
                            e.children.on("add", this._updateFocusCycleableItems.bind(this)),
                            e.children.on("remove", this._updateFocusCycleableItems.bind(this)),
                            e.items.on("change", (e, t) => {
                                const i = t.index;
                                for (const e of t.removed)
                                    i >= this.ungroupedItems.length ? this.groupedItems.remove(e) : this.ungroupedItems.remove(e);
                                for (let e = i; e < i + t.added.length; e++) {
                                    const n = t.added[e - i];
                                    e > this.ungroupedItems.length ? this.groupedItems.add(n, e - this.ungroupedItems.length) : this.ungroupedItems.add(n, e)
                                }
                                this._updateGrouping()
                            }),
                            e.extendTemplate({
                                attributes: {
                                    class: ["ck-toolbar_grouping"]
                                }
                            })
                        }
                        render(e) {
                            this.viewElement = e.element,
                            this._enableGroupingOnResize(),
                            this._enableGroupingOnMaxWidthChange(e)
                        }
                        destroy() {
                            this.groupedItemsDropdown.destroy(),
                            this.resizeObserver.destroy()
                        }
                        _updateGrouping() {
                            if (!this.viewElement.ownerDocument.body.contains(this.viewElement))
                                return;
                            if (!this.viewElement.offsetParent)
                                return void(this.shouldUpdateGroupingOnNextResize = !0);
                            const e = this.groupedItems.length;
                            let t;
                            for (; this._areItemsOverflowing; )
                                this._groupLastItem(), t = !0;
                            if (!t && this.groupedItems.length) {
                                for (; this.groupedItems.length && !this._areItemsOverflowing; )
                                    this._ungroupFirstItem();
                                this._areItemsOverflowing && this._groupLastItem()
                            }
                            this.groupedItems.length !== e && this.view.fire("groupedItemsUpdate")
                        }
                        get _areItemsOverflowing() {
                            if (!this.ungroupedItems.length)
                                return !1;
                            const e = this.viewElement,
                            t = this.viewLocale.uiLanguageDirection,
                            i = new Ts(e.lastChild),
                            n = new Ts(e);
                            if (!this.cachedPadding) {
                                const i = _r.window.getComputedStyle(e),
                                n = "ltr" === t ? "paddingRight" : "paddingLeft";
                                this.cachedPadding = Number.parseInt(i[n])
                            }
                            return "ltr" === t ? i.right > n.right - this.cachedPadding : i.left < n.left + this.cachedPadding
                        }
                        _enableGroupingOnResize() {
                            let e;
                            this.resizeObserver = new Ss(this.viewElement, t => {
                                e && e === t.contentRect.width && !this.shouldUpdateGroupingOnNextResize || (this.shouldUpdateGroupingOnNextResize = !1, this._updateGrouping(), e = t.contentRect.width)
                            }),
                            this._updateGrouping()
                        }
                        _enableGroupingOnMaxWidthChange(e) {
                            e.on("change:maxWidth", () => {
                                this._updateGrouping()
                            })
                        }
                        _groupLastItem() {
                            this.groupedItems.length || (this.viewChildren.add(new vd), this.viewChildren.add(this.groupedItemsDropdown), this.viewFocusTracker.add(this.groupedItemsDropdown.element)),
                            this.groupedItems.add(this.ungroupedItems.remove(this.ungroupedItems.last), 0)
                        }
                        _ungroupFirstItem() {
                            this.ungroupedItems.add(this.groupedItems.remove(this.groupedItems.first)),
                            this.groupedItems.length || (this.viewChildren.remove(this.groupedItemsDropdown), this.viewChildren.remove(this.viewChildren.last), this.viewFocusTracker.remove(this.groupedItemsDropdown.element))
                        }
                        _createGroupedItemsDropdown() {
                            const e = this.viewLocale,
                            t = e.t,
                            i = Id(e);
                            return i.class = "ck-toolbar__grouped-dropdown",
                            i.panelPosition = "ltr" === e.uiLanguageDirection ? "sw" : "se",
                            function (e, t) {
                                const i = e.locale,
                                n = i.t,
                                o = e.toolbarView = new Ad(i);
                                o.set("ariaLabel", n("Dropdown toolbar")),
                                e.extendTemplate({
                                    attributes: {
                                        class: ["ck-toolbar-dropdown"]
                                    }
                                }),
                                t.map(e => o.items.add(e)),
                                e.panelView.children.add(o),
                                o.items.delegate("execute").to(e)
                            }
                            (i, []),
                            i.buttonView.set({
                                label: t("Show more items"),
                                tooltip: !0,
                                tooltipPosition: "rtl" === e.uiLanguageDirection ? "se" : "sw",
                                icon: Ol
                            }),
                            i.toolbarView.items.bindTo(this.groupedItems).using(e => e),
                            i
                        }
                        _updateFocusCycleableItems() {
                            this.viewFocusables.clear(),
                            this.ungroupedItems.map(e => {
                                this.viewFocusables.add(e)
                            }),
                            this.groupedItems.length && this.viewFocusables.add(this.groupedItemsDropdown)
                        }
                    }
                    i(32);
                    class Pd extends jl {
                        constructor() {
                            super(),
                            this.items = this.createCollection(),
                            this.focusTracker = new Rs,
                            this.keystrokes = new Os,
                            this._focusCycler = new dd({
                                focusables: this.items,
                                focusTracker: this.focusTracker,
                                keystrokeHandler: this.keystrokes,
                                actions: {
                                    focusPrevious: "arrowup",
                                    focusNext: "arrowdown"
                                }
                            }),
                            this.setTemplate({
                                tag: "ul",
                                attributes: {
                                    class: ["ck", "ck-reset", "ck-list"]
                                },
                                children: this.items
                            })
                        }
                        render() {
                            super.render();
                            for (const e of this.items)
                                this.focusTracker.add(e.element);
                            this.items.on("add", (e, t) => {
                                this.focusTracker.add(t.element)
                            }),
                            this.items.on("remove", (e, t) => {
                                this.focusTracker.remove(t.element)
                            }),
                            this.keystrokes.listenTo(this.element)
                        }
                        focus() {
                            this._focusCycler.focusFirst()
                        }
                        focusLast() {
                            this._focusCycler.focusLast()
                        }
                    }
                    class Sd extends jl {
                        constructor(e) {
                            super(e),
                            this.children = this.createCollection(),
                            this.setTemplate({
                                tag: "li",
                                attributes: {
                                    class: ["ck", "ck-list__item"]
                                },
                                children: this.children
                            })
                        }
                        focus() {
                            this.children.first.focus()
                        }
                    }
                    class Md extends jl {
                        constructor(e) {
                            super(e),
                            this.setTemplate({
                                tag: "li",
                                attributes: {
                                    class: ["ck", "ck-list__separator"]
                                }
                            })
                        }
                    }
                    i(34),
                    i(36);
                    function Id(e, t = fd) {
                        const i = new t(e),
                        n = new md(e),
                        o = new _d(e, i, n);
                        return i.bind("isEnabled").to(o),
                        i instanceof fd ? i.bind("isOn").to(o, "isOpen") : i.arrowView.bind("isOn").to(o, "isOpen"),
                        function (e) {
                            (function (e) {
                                e.on("render", () => {
                                    Dl({
                                        emitter: e,
                                        activator: () => e.isOpen,
                                        callback: () => {
                                            e.isOpen = !1
                                        },
                                        contextElements: [e.element]
                                    })
                                })
                            })(e),
                            function (e) {
                                e.on("execute", t => {
                                    t.source instanceof ld || (e.isOpen = !1)
                                })
                            }
                            (e),
                            function (e) {
                                e.keystrokes.set("arrowdown", (t, i) => {
                                    e.isOpen && (e.panelView.focus(), i())
                                }),
                                e.keystrokes.set("arrowup", (t, i) => {
                                    e.isOpen && (e.panelView.focusLast(), i())
                                })
                            }
                            (e)
                        }
                        (o),
                        o
                    }
                    function Nd(e, t) {
                        const i = e.locale,
                        n = e.listView = new Pd(i);
                        n.items.bindTo(t).using(({
                                type: e,
                                model: t
                            }) => {
                            if ("separator" === e)
                                return new Md(i);
                            if ("button" === e || "switchbutton" === e) {
                                const n = new Sd(i);
                                let o;
                                return o = "button" === e ? new cd(i) : new ld(i),
                                o.bind(...Object.keys(t)).to(t),
                                o.delegate("execute").to(n),
                                n.children.add(o),
                                n
                            }
                        }),
                        e.panelView.children.add(n),
                        n.items.delegate("execute").to(e)
                    }
                    i(38);
                    class Rd extends jl {
                        constructor(e) {
                            super(e),
                            this.body = new rd(e)
                        }
                        render() {
                            super.render(),
                            this.body.attachToDom()
                        }
                        destroy() {
                            return this.body.detachFromDom(),
                            super.destroy()
                        }
                    }
                    i(40);
                    class Od extends jl {
                        constructor(e) {
                            super(e),
                            this.set("text"),
                            this.set("for"),
                            this.id = "ck-editor__label_" + s();
                            const t = this.bindTemplate;
                            this.setTemplate({
                                tag: "label",
                                attributes: {
                                    class: ["ck", "ck-label"],
                                    id: this.id,
                                    for : t.to("for")
                                },
                                children: [{
                                        text: t.to("text")
                                    }
                                ]
                            })
                        }
                    }
                    class Dd extends Rd {
                        constructor(e) {
                            super(e),
                            this.top = this.createCollection(),
                            this.main = this.createCollection(),
                            this._voiceLabelView = this._createVoiceLabel(),
                            this.setTemplate({
                                tag: "div",
                                attributes: {
                                    class: ["ck", "ck-reset", "ck-editor", "ck-rounded-corners"],
                                    role: "application",
                                    dir: e.uiLanguageDirection,
                                    lang: e.uiLanguage,
                                    "aria-labelledby": this._voiceLabelView.id
                                },
                                children: [this._voiceLabelView, {
                                        tag: "div",
                                        attributes: {
                                            class: ["ck", "ck-editor__top", "ck-reset_all"],
                                            role: "presentation"
                                        },
                                        children: this.top
                                    }, {
                                        tag: "div",
                                        attributes: {
                                            class: ["ck", "ck-editor__main"],
                                            role: "presentation"
                                        },
                                        children: this.main
                                    }
                                ]
                            })
                        }
                        _createVoiceLabel() {
                            const e = this.t,
                            t = new Od;
                            return t.text = e("Rich Text Editor"),
                            t.extendTemplate({
                                attributes: {
                                    class: "ck-voice-label"
                                }
                            }),
                            t
                        }
                    }
                    class Ld extends jl {
                        constructor(e, t, i) {
                            super(e),
                            this.setTemplate({
                                tag: "div",
                                attributes: {
                                    class: ["ck", "ck-content", "ck-editor__editable", "ck-rounded-corners"],
                                    lang: e.contentLanguage,
                                    dir: e.contentLanguageDirection
                                }
                            }),
                            this.name = null,
                            this.set("isFocused", !1),
                            this._editableElement = i,
                            this._hasExternalElement = !!this._editableElement,
                            this._editingView = t
                        }
                        render() {
                            super.render(),
                            this._hasExternalElement ? this.template.apply(this.element = this._editableElement) : this._editableElement = this.element,
                            this.on("change:isFocused", () => this._updateIsFocusedClasses()),
                            this._updateIsFocusedClasses()
                        }
                        destroy() {
                            this._hasExternalElement && this.template.revert(this._editableElement),
                            super.destroy()
                        }
                        _updateIsFocusedClasses() {
                            const e = this._editingView;
                            function t(t) {
                                e.change(i => {
                                    const n = e.document.getRoot(t.name);
                                    i.addClass(t.isFocused ? "ck-focused" : "ck-blurred", n),
                                    i.removeClass(t.isFocused ? "ck-blurred" : "ck-focused", n)
                                })
                            }
                            e.isRenderingInProgress ? function i(n) {
                                e.once("change:isRenderingInProgress", (e, o, r) => {
                                    r ? i(n) : t(n)
                                })
                            }
                            (this) : t(this)
                        }
                    }
                    class zd extends Ld {
                        constructor(e, t, i) {
                            super(e, t, i),
                            this.extendTemplate({
                                attributes: {
                                    role: "textbox",
                                    class: "ck-editor__editable_inline"
                                }
                            })
                        }
                        render() {
                            super.render();
                            const e = this._editingView,
                            t = this.t;
                            e.change(i => {
                                const n = e.document.getRoot(this.name);
                                i.setAttribute("aria-label", t("Rich Text Editor, %0", this.name), n)
                            })
                        }
                    }
                    i(42);
                    i(44);
                    class Vd extends jl {
                        constructor(e) {
                            super(e),
                            this.set("value"),
                            this.set("id"),
                            this.set("placeholder"),
                            this.set("isReadOnly", !1),
                            this.set("hasError", !1),
                            this.set("ariaDescribedById"),
                            this.focusTracker = new Rs,
                            this.bind("isFocused").to(this.focusTracker),
                            this.set("isEmpty", !0);
                            const t = this.bindTemplate;
                            this.setTemplate({
                                tag: "input",
                                attributes: {
                                    type: "text",
                                    class: ["ck", "ck-input", "ck-input-text", t.if("isFocused", "ck-input_focused"), t.if("isEmpty", "ck-input-text_empty"), t.if("hasError", "ck-error")],
                                    id: t.to("id"),
                                    placeholder: t.to("placeholder"),
                                    readonly: t.to("isReadOnly"),
                                    "aria-invalid": t.if("hasError", !0),
                                    "aria-describedby": t.to("ariaDescribedById")
                                },
                                on: {
                                    input: t.to("input"),
                                    change: t.to(this._updateIsEmpty.bind(this))
                                }
                            })
                        }
                        render() {
                            super.render(),
                            this.focusTracker.add(this.element),
                            this._setDomElementValue(this.value),
                            this._updateIsEmpty(),
                            this.on("change:value", (e, t, i) => {
                                this._setDomElementValue(i),
                                this._updateIsEmpty()
                            })
                        }
                        select() {
                            this.element.select()
                        }
                        focus() {
                            this.element.focus()
                        }
                        _updateIsEmpty() {
                            this.isEmpty = !this.element.value
                        }
                        _setDomElementValue(e) {
                            this.element.value = e || 0 === e ? e : ""
                        }
                    }
                    i(46);
                    class jd extends jl {
                        constructor(e, t) {
                            super(e);
                            const i = "ck-labeled-field-view-" + s(),
                            n = "ck-labeled-field-view-status-" + s();
                            this.fieldView = t(this, i, n),
                            this.set("label"),
                            this.set("isEnabled", !0),
                            this.set("isEmpty", !0),
                            this.set("isFocused", !1),
                            this.set("errorText", null),
                            this.set("infoText", null),
                            this.set("class"),
                            this.set("placeholder"),
                            this.labelView = this._createLabelView(i),
                            this.statusView = this._createStatusView(n),
                            this.bind("_statusText").to(this, "errorText", this, "infoText", (e, t) => e || t);
                            const o = this.bindTemplate;
                            this.setTemplate({
                                tag: "div",
                                attributes: {
                                    class: ["ck", "ck-labeled-field-view", o.to("class"), o.if("isEnabled", "ck-disabled", e => !e), o.if("isEmpty", "ck-labeled-field-view_empty"), o.if("isFocused", "ck-labeled-field-view_focused"), o.if("placeholder", "ck-labeled-field-view_placeholder"), o.if("errorText", "ck-error")]
                                },
                                children: [{
                                        tag: "div",
                                        attributes: {
                                            class: ["ck", "ck-labeled-field-view__input-wrapper"]
                                        },
                                        children: [this.fieldView, this.labelView]
                                    }, this.statusView]
                            })
                        }
                        _createLabelView(e) {
                            const t = new Od(this.locale);
                            return t.for = e,
                            t.bind("text").to(this, "label"),
                            t
                        }
                        _createStatusView(e) {
                            const t = new jl(this.locale),
                            i = this.bindTemplate;
                            return t.setTemplate({
                                tag: "div",
                                attributes: {
                                    class: ["ck", "ck-labeled-field-view__status", i.if("errorText", "ck-labeled-field-view__status_error"), i.if("_statusText", "ck-hidden", e => !e)],
                                    id: e,
                                    role: i.if("errorText", "alert")
                                },
                                children: [{
                                        text: i.to("_statusText")
                                    }
                                ]
                            }),
                            t
                        }
                        focus() {
                            this.fieldView.focus()
                        }
                    }
                    function Bd(e, t, i) {
                        const n = new Vd(e.locale);
                        return n.set({
                            id: t,
                            ariaDescribedById: i
                        }),
                        n.bind("isReadOnly").to(e, "isEnabled", e => !e),
                        n.bind("hasError").to(e, "errorText", e => !!e),
                        n.on("input", () => {
                            e.errorText = null
                        }),
                        e.bind("isEmpty", "isFocused", "placeholder").to(n),
                        n
                    }
                    class Fd extends an {
                        static get pluginName() {
                            return "Notification"
                        }
                        init() {
                            this.on("show:warning", (e, t) => {
                                window.alert(t.message)
                            }, {
                                priority: "lowest"
                            })
                        }
                        showSuccess(e, t = {}) {
                            this._showNotification({
                                message: e,
                                type: "success",
                                namespace: t.namespace,
                                title: t.title
                            })
                        }
                        showInfo(e, t = {}) {
                            this._showNotification({
                                message: e,
                                type: "info",
                                namespace: t.namespace,
                                title: t.title
                            })
                        }
                        showWarning(e, t = {}) {
                            this._showNotification({
                                message: e,
                                type: "warning",
                                namespace: t.namespace,
                                title: t.title
                            })
                        }
                        _showNotification(e) {
                            const t = "show:" + e.type + (e.namespace ? ":" + e.namespace : "");
                            this.fire(t, {
                                message: e.message,
                                type: e.type,
                                title: e.title || ""
                            })
                        }
                    }
                    class Hd {
                        constructor(e, t) {
                            t && Le(this, t),
                            e && this.set(e)
                        }
                    }
                    Ke(Hd, Ue);
                    i(48);
                    const Ud = Is("px"),
                    Wd = _r.document.body;
                    class qd extends jl {
                        constructor(e) {
                            super(e);
                            const t = this.bindTemplate;
                            this.set("top", 0),
                            this.set("left", 0),
                            this.set("position", "arrow_nw"),
                            this.set("isVisible", !1),
                            this.set("withArrow", !0),
                            this.set("class"),
                            this.content = this.createCollection(),
                            this.setTemplate({
                                tag: "div",
                                attributes: {
                                    class: ["ck", "ck-balloon-panel", t.to("position", e => "ck-balloon-panel_" + e), t.if("isVisible", "ck-balloon-panel_visible"), t.if("withArrow", "ck-balloon-panel_with-arrow"), t.to("class")],
                                    style: {
                                        top: t.to("top", Ud),
                                        left: t.to("left", Ud)
                                    }
                                },
                                children: this.content
                            })
                        }
                        show() {
                            this.isVisible = !0
                        }
                        hide() {
                            this.isVisible = !1
                        }
                        attachTo(e) {
                            this.show();
                            const t = qd.defaultPositions,
                            i = Object.assign({}, {
                                element: this.element,
                                positions: [t.southArrowNorth, t.southArrowNorthMiddleWest, t.southArrowNorthMiddleEast, t.southArrowNorthWest, t.southArrowNorthEast, t.northArrowSouth, t.northArrowSouthMiddleWest, t.northArrowSouthMiddleEast, t.northArrowSouthWest, t.northArrowSouthEast],
                                limiter: Wd,
                                fitInViewport: !0
                            }, e),
                            n = qd._getOptimalPosition(i),
                            o = parseInt(n.left),
                            r = parseInt(n.top),
                            s = n.name;
                            Object.assign(this, {
                                top: r,
                                left: o,
                                position: s
                            })
                        }
                        pin(e) {
                            this.unpin(),
                            this._pinWhenIsVisibleCallback = () => {
                                this.isVisible ? this._startPinning(e) : this._stopPinning()
                            },
                            this._startPinning(e),
                            this.listenTo(this, "change:isVisible", this._pinWhenIsVisibleCallback)
                        }
                        unpin() {
                            this._pinWhenIsVisibleCallback && (this._stopPinning(), this.stopListening(this, "change:isVisible", this._pinWhenIsVisibleCallback), this._pinWhenIsVisibleCallback = null, this.hide())
                        }
                        _startPinning(e) {
                            this.attachTo(e);
                            const t = $d(e.target),
                            i = e.limiter ? $d(e.limiter) : Wd;
                            this.listenTo(_r.document, "scroll", (n, o) => {
                                const r = o.target,
                                s = t && r.contains(t),
                                a = i && r.contains(i);
                                !s && !a && t && i || this.attachTo(e)
                            }, {
                                useCapture: !0
                            }),
                            this.listenTo(_r.window, "resize", () => {
                                this.attachTo(e)
                            })
                        }
                        _stopPinning() {
                            this.stopListening(_r.document, "scroll"),
                            this.stopListening(_r.window, "resize")
                        }
                    }
                    function $d(e) {
                        return Yi(e) ? e : xs(e) ? e.commonAncestorContainer : "function" == typeof e ? $d(e()) : null
                    }
                    function Yd(e, t) {
                        return e.top - t.height - qd.arrowVerticalOffset
                    }
                    function Gd(e) {
                        return e.bottom + qd.arrowVerticalOffset
                    }
                    qd.arrowHorizontalOffset = 25,
                    qd.arrowVerticalOffset = 10,
                    qd._getOptimalPosition = pd,
                    qd.defaultPositions = {
                        northWestArrowSouthWest: (e, t) => ({
                            top: Yd(e, t),
                            left: e.left - qd.arrowHorizontalOffset,
                            name: "arrow_sw"
                        }),
                        northWestArrowSouthMiddleWest: (e, t) => ({
                            top: Yd(e, t),
                            left: e.left - .25 * t.width - qd.arrowHorizontalOffset,
                            name: "arrow_smw"
                        }),
                        northWestArrowSouth: (e, t) => ({
                            top: Yd(e, t),
                            left: e.left - t.width / 2,
                            name: "arrow_s"
                        }),
                        northWestArrowSouthMiddleEast: (e, t) => ({
                            top: Yd(e, t),
                            left: e.left - .75 * t.width + qd.arrowHorizontalOffset,
                            name: "arrow_sme"
                        }),
                        northWestArrowSouthEast: (e, t) => ({
                            top: Yd(e, t),
                            left: e.left - t.width + qd.arrowHorizontalOffset,
                            name: "arrow_se"
                        }),
                        northArrowSouthWest: (e, t) => ({
                            top: Yd(e, t),
                            left: e.left + e.width / 2 - qd.arrowHorizontalOffset,
                            name: "arrow_sw"
                        }),
                        northArrowSouthMiddleWest: (e, t) => ({
                            top: Yd(e, t),
                            left: e.left + e.width / 2 - .25 * t.width - qd.arrowHorizontalOffset,
                            name: "arrow_smw"
                        }),
                        northArrowSouth: (e, t) => ({
                            top: Yd(e, t),
                            left: e.left + e.width / 2 - t.width / 2,
                            name: "arrow_s"
                        }),
                        northArrowSouthMiddleEast: (e, t) => ({
                            top: Yd(e, t),
                            left: e.left + e.width / 2 - .75 * t.width + qd.arrowHorizontalOffset,
                            name: "arrow_sme"
                        }),
                        northArrowSouthEast: (e, t) => ({
                            top: Yd(e, t),
                            left: e.left + e.width / 2 - t.width + qd.arrowHorizontalOffset,
                            name: "arrow_se"
                        }),
                        northEastArrowSouthWest: (e, t) => ({
                            top: Yd(e, t),
                            left: e.right - qd.arrowHorizontalOffset,
                            name: "arrow_sw"
                        }),
                        northEastArrowSouthMiddleWest: (e, t) => ({
                            top: Yd(e, t),
                            left: e.right - .25 * t.width - qd.arrowHorizontalOffset,
                            name: "arrow_smw"
                        }),
                        northEastArrowSouth: (e, t) => ({
                            top: Yd(e, t),
                            left: e.right - t.width / 2,
                            name: "arrow_s"
                        }),
                        northEastArrowSouthMiddleEast: (e, t) => ({
                            top: Yd(e, t),
                            left: e.right - .75 * t.width + qd.arrowHorizontalOffset,
                            name: "arrow_sme"
                        }),
                        northEastArrowSouthEast: (e, t) => ({
                            top: Yd(e, t),
                            left: e.right - t.width + qd.arrowHorizontalOffset,
                            name: "arrow_se"
                        }),
                        southWestArrowNorthWest: (e, t) => ({
                            top: Gd(e),
                            left: e.left - qd.arrowHorizontalOffset,
                            name: "arrow_nw"
                        }),
                        southWestArrowNorthMiddleWest: (e, t) => ({
                            top: Gd(e),
                            left: e.left - .25 * t.width - qd.arrowHorizontalOffset,
                            name: "arrow_nmw"
                        }),
                        southWestArrowNorth: (e, t) => ({
                            top: Gd(e),
                            left: e.left - t.width / 2,
                            name: "arrow_n"
                        }),
                        southWestArrowNorthMiddleEast: (e, t) => ({
                            top: Gd(e),
                            left: e.left - .75 * t.width + qd.arrowHorizontalOffset,
                            name: "arrow_nme"
                        }),
                        southWestArrowNorthEast: (e, t) => ({
                            top: Gd(e),
                            left: e.left - t.width + qd.arrowHorizontalOffset,
                            name: "arrow_ne"
                        }),
                        southArrowNorthWest: (e, t) => ({
                            top: Gd(e),
                            left: e.left + e.width / 2 - qd.arrowHorizontalOffset,
                            name: "arrow_nw"
                        }),
                        southArrowNorthMiddleWest: (e, t) => ({
                            top: Gd(e),
                            left: e.left + e.width / 2 - .25 * t.width - qd.arrowHorizontalOffset,
                            name: "arrow_nmw"
                        }),
                        southArrowNorth: (e, t) => ({
                            top: Gd(e),
                            left: e.left + e.width / 2 - t.width / 2,
                            name: "arrow_n"
                        }),
                        southArrowNorthMiddleEast: (e, t) => ({
                            top: Gd(e),
                            left: e.left + e.width / 2 - .75 * t.width + qd.arrowHorizontalOffset,
                            name: "arrow_nme"
                        }),
                        southArrowNorthEast: (e, t) => ({
                            top: Gd(e),
                            left: e.left + e.width / 2 - t.width + qd.arrowHorizontalOffset,
                            name: "arrow_ne"
                        }),
                        southEastArrowNorthWest: (e, t) => ({
                            top: Gd(e),
                            left: e.right - qd.arrowHorizontalOffset,
                            name: "arrow_nw"
                        }),
                        southEastArrowNorthMiddleWest: (e, t) => ({
                            top: Gd(e),
                            left: e.right - .25 * t.width - qd.arrowHorizontalOffset,
                            name: "arrow_nmw"
                        }),
                        southEastArrowNorth: (e, t) => ({
                            top: Gd(e),
                            left: e.right - t.width / 2,
                            name: "arrow_n"
                        }),
                        southEastArrowNorthMiddleEast: (e, t) => ({
                            top: Gd(e),
                            left: e.right - .75 * t.width + qd.arrowHorizontalOffset,
                            name: "arrow_nme"
                        }),
                        southEastArrowNorthEast: (e, t) => ({
                            top: Gd(e),
                            left: e.right - t.width + qd.arrowHorizontalOffset,
                            name: "arrow_ne"
                        })
                    };
                    i(50),
                    i(52);
                    const Kd = Is("px");
                    class Qd extends Qe {
                        static get pluginName() {
                            return "ContextualBalloon"
                        }
                        constructor(e) {
                            super(e),
                            this.positionLimiter = () => {
                                const e = this.editor.editing.view,
                                t = e.document.selection.editableElement;
                                return t ? e.domConverter.mapViewToDom(t.root) : null
                            },
                            this.set("visibleView", null),
                            this.view = new qd(e.locale),
                            e.ui.view.body.add(this.view),
                            e.ui.focusTracker.add(this.view.element),
                            this._viewToStack = new Map,
                            this._idToStack = new Map,
                            this.set("_numberOfStacks", 0),
                            this.set("_singleViewMode", !1),
                            this._rotatorView = this._createRotatorView(),
                            this._fakePanelsView = this._createFakePanelsView()
                        }
                        hasView(e) {
                            return Array.from(this._viewToStack.keys()).includes(e)
                        }
                        add(e) {
                            if (this.hasView(e.view))
                                throw new c.a("contextualballoon-add-view-exist", [this, e]);
                            const t = e.stackId || "main";
                            if (!this._idToStack.has(t))
                                return this._idToStack.set(t, new Map([[e.view, e]])), this._viewToStack.set(e.view, this._idToStack.get(t)), this._numberOfStacks = this._idToStack.size, void(this._visibleStack && !e.singleViewMode || this.showStack(t));
                            const i = this._idToStack.get(t);
                            e.singleViewMode && this.showStack(t),
                            i.set(e.view, e),
                            this._viewToStack.set(e.view, i),
                            i === this._visibleStack && this._showView(e)
                        }
                        remove(e) {
                            if (!this.hasView(e))
                                throw new c.a("contextualballoon-remove-view-not-exist", [this, e]);
                            const t = this._viewToStack.get(e);
                            this._singleViewMode && this.visibleView === e && (this._singleViewMode = !1),
                            this.visibleView === e && (1 === t.size ? this._idToStack.size > 1 ? this._showNextStack() : (this.view.hide(), this.visibleView = null, this._rotatorView.hideView()) : this._showView(Array.from(t.values())[t.size - 2])),
                            1 === t.size ? (this._idToStack.delete(this._getStackId(t)), this._numberOfStacks = this._idToStack.size) : t.delete(e),
                            this._viewToStack.delete(e)
                        }
                        updatePosition(e) {
                            e && (this._visibleStack.get(this.visibleView).position = e),
                            this.view.pin(this._getBalloonPosition()),
                            this._fakePanelsView.updatePosition()
                        }
                        showStack(e) {
                            this.visibleStack = e;
                            const t = this._idToStack.get(e);
                            if (!t)
                                throw new c.a("contextualballoon-showstack-stack-not-exist", this);
                            this._visibleStack !== t && this._showView(Array.from(t.values()).pop())
                        }
                        get _visibleStack() {
                            return this._viewToStack.get(this.visibleView)
                        }
                        _getStackId(e) {
                            return Array.from(this._idToStack.entries()).find(t => t[1] === e)[0]
                        }
                        _showNextStack() {
                            const e = Array.from(this._idToStack.values());
                            let t = e.indexOf(this._visibleStack) + 1;
                            e[t] || (t = 0),
                            this.showStack(this._getStackId(e[t]))
                        }
                        _showPrevStack() {
                            const e = Array.from(this._idToStack.values());
                            let t = e.indexOf(this._visibleStack) - 1;
                            e[t] || (t = e.length - 1),
                            this.showStack(this._getStackId(e[t]))
                        }
                        _createRotatorView() {
                            const e = new Jd(this.editor.locale),
                            t = this.editor.locale.t;
                            return this.view.content.add(e),
                            e.bind("isNavigationVisible").to(this, "_numberOfStacks", this, "_singleViewMode", (e, t) => !t && e > 1),
                            e.on("change:isNavigationVisible", () => this.updatePosition(), {
                                priority: "low"
                            }),
                            e.bind("counter").to(this, "visibleView", this, "_numberOfStacks", (e, i) => {
                                if (i < 2)
                                    return "";
                                const n = Array.from(this._idToStack.values()).indexOf(this._visibleStack) + 1;
                                return t("%0 of %1", [n, i])
                            }),
                            e.buttonNextView.on("execute", () => {
                                e.focusTracker.isFocused && this.editor.editing.view.focus(),
                                this._showNextStack()
                            }),
                            e.buttonPrevView.on("execute", () => {
                                e.focusTracker.isFocused && this.editor.editing.view.focus(),
                                this._showPrevStack()
                            }),
                            e
                        }
                        _createFakePanelsView() {
                            const e = new Zd(this.editor.locale, this.view);
                            return e.bind("numberOfPanels").to(this, "_numberOfStacks", this, "_singleViewMode", (e, t) => !t && e >= 2 ? Math.min(e - 1, 2) : 0),
                            e.listenTo(this.view, "change:top", () => e.updatePosition()),
                            e.listenTo(this.view, "change:left", () => e.updatePosition()),
                            this.editor.ui.view.body.add(e),
                            e
                        }
                        _showView({
                            view: e,
                            balloonClassName: t = "",
                            withArrow: i = !0,
                            singleViewMode: n = !1
                        }) {
                            this.view.class = t,
                            this.view.withArrow = i,
                            this._rotatorView.showView(e),
                            this.visibleView = e,
                            this.view.pin(this._getBalloonPosition()),
                            this._fakePanelsView.updatePosition(),
                            n && (this._singleViewMode = !0)
                        }
                        _getBalloonPosition() {
                            let e = Array.from(this._visibleStack.values()).pop().position;
                            return e && !e.limiter && (e = Object.assign({}, e, {
                                    limiter: this.positionLimiter
                                })),
                            e
                        }
                    }
                    class Jd extends jl {
                        constructor(e) {
                            super(e);
                            const t = e.t,
                            i = this.bindTemplate;
                            this.set("isNavigationVisible", !0),
                            this.focusTracker = new Rs,
                            this.buttonPrevView = this._createButtonView(t("Previous"), '<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M11.463 5.187a.888.888 0 1 1 1.254 1.255L9.16 10l3.557 3.557a.888.888 0 1 1-1.254 1.255L7.26 10.61a.888.888 0 0 1 .16-1.382l4.043-4.042z"/></svg>'),
                            this.buttonNextView = this._createButtonView(t("Next"), '<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M8.537 14.813a.888.888 0 1 1-1.254-1.255L10.84 10 7.283 6.442a.888.888 0 1 1 1.254-1.255L12.74 9.39a.888.888 0 0 1-.16 1.382l-4.043 4.042z"/></svg>'),
                            this.content = this.createCollection(),
                            this.setTemplate({
                                tag: "div",
                                attributes: {
                                    class: ["ck", "ck-balloon-rotator"],
                                    "z-index": "-1"
                                },
                                children: [{
                                        tag: "div",
                                        attributes: {
                                            class: ["ck-balloon-rotator__navigation", i.to("isNavigationVisible", e => e ? "" : "ck-hidden")]
                                        },
                                        children: [this.buttonPrevView, {
                                                tag: "span",
                                                attributes: {
                                                    class: ["ck-balloon-rotator__counter"]
                                                },
                                                children: [{
                                                        text: i.to("counter")
                                                    }
                                                ]
                                            }, this.buttonNextView]
                                    }, {
                                        tag: "div",
                                        attributes: {
                                            class: "ck-balloon-rotator__content"
                                        },
                                        children: this.content
                                    }
                                ]
                            })
                        }
                        render() {
                            super.render(),
                            this.focusTracker.add(this.element)
                        }
                        showView(e) {
                            this.hideView(),
                            this.content.add(e)
                        }
                        hideView() {
                            this.content.clear()
                        }
                        _createButtonView(e, t) {
                            const i = new cd(this.locale);
                            return i.set({
                                label: e,
                                icon: t,
                                tooltip: !0
                            }),
                            i
                        }
                    }
                    class Zd extends jl {
                        constructor(e, t) {
                            super(e);
                            const i = this.bindTemplate;
                            this.set("top", 0),
                            this.set("left", 0),
                            this.set("height", 0),
                            this.set("width", 0),
                            this.set("numberOfPanels", 0),
                            this.content = this.createCollection(),
                            this._balloonPanelView = t,
                            this.setTemplate({
                                tag: "div",
                                attributes: {
                                    class: ["ck-fake-panel", i.to("numberOfPanels", e => e ? "" : "ck-hidden")],
                                    style: {
                                        top: i.to("top", Kd),
                                        left: i.to("left", Kd),
                                        width: i.to("width", Kd),
                                        height: i.to("height", Kd)
                                    }
                                },
                                children: this.content
                            }),
                            this.on("change:numberOfPanels", (e, t, i, n) => {
                                i > n ? this._addPanels(i - n) : this._removePanels(n - i),
                                this.updatePosition()
                            })
                        }
                        _addPanels(e) {
                            for (; e--; ) {
                                const e = new jl;
                                e.setTemplate({
                                    tag: "div"
                                }),
                                this.content.add(e),
                                this.registerChild(e)
                            }
                        }
                        _removePanels(e) {
                            for (; e--; ) {
                                const e = this.content.last;
                                this.content.remove(e),
                                this.deregisterChild(e),
                                e.destroy()
                            }
                        }
                        updatePosition() {
                            if (this.numberOfPanels) {
                                const {
                                    top: e,
                                    left: t
                                } = this._balloonPanelView, {
                                    width: i,
                                    height: n
                                } = new Ts(this._balloonPanelView.element);
                                Object.assign(this, {
                                    top: e,
                                    left: t,
                                    width: i,
                                    height: n
                                })
                            }
                        }
                    }
                    i(54);
                    const Xd = Is("px");
                    class eu extends jl {
                        constructor(e) {
                            super(e);
                            const t = this.bindTemplate;
                            this.set("isActive", !1),
                            this.set("isSticky", !1),
                            this.set("limiterElement", null),
                            this.set("limiterBottomOffset", 50),
                            this.set("viewportTopOffset", 0),
                            this.set("_marginLeft", null),
                            this.set("_isStickyToTheLimiter", !1),
                            this.set("_hasViewportTopOffset", !1),
                            this.content = this.createCollection(),
                            this._contentPanelPlaceholder = new Bl({
                                tag: "div",
                                attributes: {
                                    class: ["ck", "ck-sticky-panel__placeholder"],
                                    style: {
                                        display: t.to("isSticky", e => e ? "block" : "none"),
                                        height: t.to("isSticky", e => e ? Xd(this._panelRect.height) : null)
                                    }
                                }
                            }).render(),
                            this._contentPanel = new Bl({
                                tag: "div",
                                attributes: {
                                    class: ["ck", "ck-sticky-panel__content", t.if("isSticky", "ck-sticky-panel__content_sticky"), t.if("_isStickyToTheLimiter", "ck-sticky-panel__content_sticky_bottom-limit")],
                                    style: {
                                        width: t.to("isSticky", e => e ? Xd(this._contentPanelPlaceholder.getBoundingClientRect().width) : null),
                                        top: t.to("_hasViewportTopOffset", e => e ? Xd(this.viewportTopOffset) : null),
                                        bottom: t.to("_isStickyToTheLimiter", e => e ? Xd(this.limiterBottomOffset) : null),
                                        marginLeft: t.to("_marginLeft")
                                    }
                                },
                                children: this.content
                            }).render(),
                            this.setTemplate({
                                tag: "div",
                                attributes: {
                                    class: ["ck", "ck-sticky-panel"]
                                },
                                children: [this._contentPanelPlaceholder, this._contentPanel]
                            })
                        }
                        render() {
                            super.render(),
                            this._checkIfShouldBeSticky(),
                            this.listenTo(_r.window, "scroll", () => {
                                this._checkIfShouldBeSticky()
                            }),
                            this.listenTo(this, "change:isActive", () => {
                                this._checkIfShouldBeSticky()
                            })
                        }
                        _checkIfShouldBeSticky() {
                            const e = this._panelRect = this._contentPanel.getBoundingClientRect();
                            let t;
                            this.limiterElement ? (t = this._limiterRect = this.limiterElement.getBoundingClientRect(), this.isSticky = this.isActive && t.top < this.viewportTopOffset && this._panelRect.height + this.limiterBottomOffset < t.height) : this.isSticky = !1,
                            this.isSticky ? (this._isStickyToTheLimiter = t.bottom < e.height + this.limiterBottomOffset + this.viewportTopOffset, this._hasViewportTopOffset = !this._isStickyToTheLimiter && !!this.viewportTopOffset, this._marginLeft = this._isStickyToTheLimiter ? null : Xd(-_r.window.scrollX)) : (this._isStickyToTheLimiter = !1, this._hasViewportTopOffset = !1, this._marginLeft = null)
                        }
                    }
                    Is("px");
                    i(56);
                    Is("px");
                    Is("px");
                    i(58);
                    const tu = new WeakMap;
                    function iu(e) {
                        const {
                            view: t,
                            element: i,
                            text: n,
                            isDirectHost: o = !0,
                            keepOnFocus: r = !1
                        } = e,
                        s = t.document;
                        tu.has(s) || (tu.set(s, new Map), s.registerPostFixer(e => ou(s, e))),
                        tu.get(s).set(i, {
                            text: n,
                            isDirectHost: o,
                            keepOnFocus: r,
                            hostElement: o ? i : null
                        }),
                        t.change(e => ou(s, e))
                    }
                    function nu(e, t) {
                        return !!t.hasClass("ck-placeholder") && (e.removeClass("ck-placeholder", t), !0)
                    }
                    function ou(e, t) {
                        const i = tu.get(e),
                        n = [];
                        let o = !1;
                        for (const[e, r]of i)
                            r.isDirectHost && (n.push(e), ru(t, e, r) && (o = !0));
                        for (const[e, r]of i) {
                            if (r.isDirectHost)
                                continue;
                            const i = su(e);
                            i && (n.includes(i) || (r.hostElement = i, ru(t, e, r) && (o = !0)))
                        }
                        return o
                    }
                    function ru(e, t, i) {
                        const {
                            text: n,
                            isDirectHost: o,
                            hostElement: r
                        } = i;
                        let s = !1;
                        r.getAttribute("data-placeholder") !== n && (e.setAttribute("data-placeholder", n, r), s = !0);
                        return (o || 1 == t.childCount) && function (e, t) {
                            if (!e.isAttached())
                                return !1;
                            if (Array.from(e.getChildren()).some(e => !e.is("uiElement")))
                                return !1;
                            if (t)
                                return !0;
                            const i = e.document;
                            if (!i.isFocused)
                                return !0;
                            const n = i.selection.anchor;
                            return n && n.parent !== e
                        }
                        (r, i.keepOnFocus) ? function (e, t) {
                            return !t.hasClass("ck-placeholder") && (e.addClass("ck-placeholder", t), !0)
                        }
                        (e, r) && (s = !0) : nu(e, r) && (s = !0),
                        s
                    }
                    function su(e) {
                        if (e.childCount) {
                            const t = e.getChild(0);
                            if (t.is("element") && !t.is("uiElement"))
                                return t
                        }
                        return null
                    }
                    const au = new Map;
                    function cu(e, t, i) {
                        let n = au.get(e);
                        n || (n = new Map, au.set(e, n)),
                        n.set(t, i)
                    }
                    function lu(e) {
                        return [e]
                    }
                    function du(e, t, i = {}) {
                        const n = function (e, t) {
                            const i = au.get(e);
                            return i && i.has(t) ? i.get(t) : lu
                        }
                        (e.constructor, t.constructor);
                        try {
                            return n(e = e.clone(), t, i)
                        } catch (e) {
                            throw e
                        }
                    }
                    function uu(e, t, i) {
                        e = e.slice(),
                        t = t.slice();
                        const n = new hu(i.document, i.useRelations, i.forceWeakRemove);
                        n.setOriginalOperations(e),
                        n.setOriginalOperations(t);
                        const o = n.originalOperations;
                        if (0 == e.length || 0 == t.length)
                            return {
                                operationsA: e,
                                operationsB: t,
                                originalOperations: o
                            };
                        const r = new WeakMap;
                        for (const t of e)
                            r.set(t, 0);
                        const s = {
                            nextBaseVersionA: e[e.length - 1].baseVersion + 1,
                            nextBaseVersionB: t[t.length - 1].baseVersion + 1,
                            originalOperationsACount: e.length,
                            originalOperationsBCount: t.length
                        };
                        let a = 0;
                        for (; a < e.length; ) {
                            const i = e[a],
                            o = r.get(i);
                            if (o == t.length) {
                                a++;
                                continue
                            }
                            const s = t[o],
                            c = du(i, s, n.getContext(i, s, !0)),
                            l = du(s, i, n.getContext(s, i, !1));
                            n.updateRelation(i, s),
                            n.setOriginalOperations(c, i),
                            n.setOriginalOperations(l, s);
                            for (const e of c)
                                r.set(e, o + l.length);
                            e.splice(a, 1, ...c),
                            t.splice(o, 1, ...l)
                        }
                        if (i.padWithNoOps) {
                            const i = e.length - s.originalOperationsACount,
                            n = t.length - s.originalOperationsBCount;
                            gu(e, n - i),
                            gu(t, i - n)
                        }
                        return fu(e, s.nextBaseVersionB),
                        fu(t, s.nextBaseVersionA), {
                            operationsA: e,
                            operationsB: t,
                            originalOperations: o
                        }
                    }
                    class hu {
                        constructor(e, t, i = !1) {
                            this.originalOperations = new Map,
                            this._history = e.history,
                            this._useRelations = t,
                            this._forceWeakRemove = !!i,
                            this._relations = new Map
                        }
                        setOriginalOperations(e, t = null) {
                            const i = t ? this.originalOperations.get(t) : null;
                            for (const t of e)
                                this.originalOperations.set(t, i || t)
                        }
                        updateRelation(e, t) {
                            switch (e.constructor) {
                            case Cc:
                                switch (t.constructor) {
                                case Mc:
                                    e.targetPosition.isEqual(t.sourcePosition) || t.movedRange.containsPosition(e.targetPosition) ? this._setRelation(e, t, "insertAtSource") : e.targetPosition.isEqual(t.deletionPosition) ? this._setRelation(e, t, "insertBetween") : e.targetPosition.isAfter(t.sourcePosition) && this._setRelation(e, t, "moveTargetAfter");
                                    break;
                                case Cc:
                                    e.targetPosition.isEqual(t.sourcePosition) || e.targetPosition.isBefore(t.sourcePosition) ? this._setRelation(e, t, "insertBefore") : this._setRelation(e, t, "insertAfter")
                                }
                                break;
                            case Ic:
                                switch (t.constructor) {
                                case Mc:
                                    e.splitPosition.isBefore(t.sourcePosition) && this._setRelation(e, t, "splitBefore");
                                    break;
                                case Cc:
                                    if (e.splitPosition.isEqual(t.sourcePosition) || e.splitPosition.isBefore(t.sourcePosition))
                                        this._setRelation(e, t, "splitBefore");
                                    else {
                                        const i = oa._createFromPositionAndShift(t.sourcePosition, t.howMany);
                                        if (e.splitPosition.hasSameParentAs(t.sourcePosition) && i.containsPosition(e.splitPosition)) {
                                            const n = i.end.offset - e.splitPosition.offset,
                                            o = e.splitPosition.offset - i.start.offset;
                                            this._setRelation(e, t, {
                                                howMany: n,
                                                offset: o
                                            })
                                        }
                                    }
                                }
                                break;
                            case Mc:
                                switch (t.constructor) {
                                case Mc:
                                    e.targetPosition.isEqual(t.sourcePosition) || this._setRelation(e, t, "mergeTargetNotMoved"),
                                    e.sourcePosition.isEqual(t.targetPosition) && this._setRelation(e, t, "mergeSourceNotMoved"),
                                    e.sourcePosition.isEqual(t.sourcePosition) && this._setRelation(e, t, "mergeSameElement");
                                    break;
                                case Ic:
                                    e.sourcePosition.isEqual(t.splitPosition) && this._setRelation(e, t, "splitAtSource")
                                }
                                break;
                            case Ec: {
                                    const i = e.newRange;
                                    if (!i)
                                        return;
                                    switch (t.constructor) {
                                    case Cc: {
                                            const n = oa._createFromPositionAndShift(t.sourcePosition, t.howMany),
                                            o = n.containsPosition(i.start) || n.start.isEqual(i.start),
                                            r = n.containsPosition(i.end) || n.end.isEqual(i.end);
                                            !o && !r || n.containsRange(i) || this._setRelation(e, t, {
                                                side: o ? "left" : "right",
                                                path: o ? i.start.path.slice() : i.end.path.slice()
                                            });
                                            break
                                        }
                                    case Mc: {
                                            const n = i.start.isEqual(t.targetPosition),
                                            o = i.start.isEqual(t.deletionPosition),
                                            r = i.end.isEqual(t.deletionPosition),
                                            s = i.end.isEqual(t.sourcePosition);
                                            (n || o || r || s) && this._setRelation(e, t, {
                                                wasInLeftElement: n,
                                                wasStartBeforeMergedElement: o,
                                                wasEndBeforeMergedElement: r,
                                                wasInRightElement: s
                                            });
                                            break
                                        }
                                    }
                                    break
                                }
                            }
                        }
                        getContext(e, t, i) {
                            return {
                                aIsStrong: i,
                                aWasUndone: this._wasUndone(e),
                                bWasUndone: this._wasUndone(t),
                                abRelation: this._useRelations ? this._getRelation(e, t) : null,
                                baRelation: this._useRelations ? this._getRelation(t, e) : null,
                                forceWeakRemove: this._forceWeakRemove
                            }
                        }
                        _wasUndone(e) {
                            const t = this.originalOperations.get(e);
                            return t.wasUndone || this._history.isUndoneOperation(t)
                        }
                        _getRelation(e, t) {
                            const i = this.originalOperations.get(t),
                            n = this._history.getUndoneOperation(i);
                            if (!n)
                                return null;
                            const o = this.originalOperations.get(e),
                            r = this._relations.get(o);
                            return r && r.get(n) || null
                        }
                        _setRelation(e, t, i) {
                            const n = this.originalOperations.get(e),
                            o = this.originalOperations.get(t);
                            let r = this._relations.get(n);
                            r || (r = new Map, this._relations.set(n, r)),
                            r.set(o, i)
                        }
                    }
                    function fu(e, t) {
                        for (const i of e)
                            i.baseVersion = t++
                    }
                    function gu(e, t) {
                        for (let i = 0; i < t; i++)
                            e.push(new Qc(0))
                    }
                    function mu(e, t, i) {
                        const n = e.nodes.getNode(0).getAttribute(t);
                        if (n == i)
                            return null;
                        const o = new oa(e.position, e.position.getShiftedBy(e.howMany));
                        return new xc(o, t, n, i, 0)
                    }
                    function pu(e, t) {
                        return null === e.targetPosition._getTransformedByDeletion(t.sourcePosition, t.howMany)
                    }
                    function bu(e, t) {
                        const i = [];
                        for (let n = 0; n < e.length; n++) {
                            const o = e[n],
                            r = new Cc(o.start, o.end.offset - o.start.offset, t, 0);
                            i.push(r);
                            for (let t = n + 1; t < e.length; t++)
                                e[t] = e[t]._getTransformedByMove(r.sourcePosition, r.targetPosition, r.howMany)[0];
                            t = t._getTransformedByMove(r.sourcePosition, r.targetPosition, r.howMany)
                        }
                        return i
                    }
                    cu(xc, xc, (e, t, i) => {
                        if (e.key === t.key && e.range.start.hasSameParentAs(t.range.start)) {
                            const n = e.range.getDifference(t.range).map(t => new xc(t, e.key, e.oldValue, e.newValue, 0)),
                            o = e.range.getIntersection(t.range);
                            return o && i.aIsStrong && n.push(new xc(o, t.key, t.newValue, e.newValue, 0)),
                            0 == n.length ? [new Qc(0)] : n
                        }
                        return [e]
                    }),
                    cu(xc, Tc, (e, t) => {
                        if (e.range.start.hasSameParentAs(t.position) && e.range.containsPosition(t.position)) {
                            const i = e.range._getTransformedByInsertion(t.position, t.howMany, !t.shouldReceiveAttributes).map(t => new xc(t, e.key, e.oldValue, e.newValue, e.baseVersion));
                            if (t.shouldReceiveAttributes) {
                                const n = mu(t, e.key, e.oldValue);
                                n && i.unshift(n)
                            }
                            return i
                        }
                        return e.range = e.range._getTransformedByInsertion(t.position, t.howMany, !1)[0],
                        [e]
                    }),
                    cu(xc, Mc, (e, t) => {
                        const i = [];
                        e.range.start.hasSameParentAs(t.deletionPosition) && (e.range.containsPosition(t.deletionPosition) || e.range.start.isEqual(t.deletionPosition)) && i.push(oa._createFromPositionAndShift(t.graveyardPosition, 1));
                        const n = e.range._getTransformedByMergeOperation(t);
                        return n.isCollapsed || i.push(n),
                        i.map(t => new xc(t, e.key, e.oldValue, e.newValue, e.baseVersion))
                    }),
                    cu(xc, Cc, (e, t) => function (e, t) {
                        const i = oa._createFromPositionAndShift(t.sourcePosition, t.howMany);
                        let n = null,
                        o = [];
                        i.containsRange(e, !0) ? n = e : e.start.hasSameParentAs(i.start) ? (o = e.getDifference(i), n = e.getIntersection(i)) : o = [e];
                        const r = [];
                        for (let e of o) {
                            e = e._getTransformedByDeletion(t.sourcePosition, t.howMany);
                            const i = t.getMovedRangeStart(),
                            n = e.start.hasSameParentAs(i);
                            e = e._getTransformedByInsertion(i, t.howMany, n),
                            r.push(...e)
                        }
                        n && r.push(n._getTransformedByMove(t.sourcePosition, t.targetPosition, t.howMany, !1)[0]);
                        return r
                    }
                        (e.range, t).map(t => new xc(t, e.key, e.oldValue, e.newValue, e.baseVersion))),
                    cu(xc, Ic, (e, t) => {
                        if (e.range.end.isEqual(t.insertionPosition))
                            return t.graveyardPosition || e.range.end.offset++, [e];
                        if (e.range.start.hasSameParentAs(t.splitPosition) && e.range.containsPosition(t.splitPosition)) {
                            const i = e.clone();
                            return i.range = new oa(t.moveTargetPosition.clone(), e.range.end._getCombined(t.splitPosition, t.moveTargetPosition)),
                            e.range.end = t.splitPosition.clone(),
                            e.range.end.stickiness = "toPrevious",
                            [e, i]
                        }
                        return e.range = e.range._getTransformedBySplitOperation(t),
                        [e]
                    }),
                    cu(Tc, xc, (e, t) => {
                        const i = [e];
                        if (e.shouldReceiveAttributes && e.position.hasSameParentAs(t.range.start) && t.range.containsPosition(e.position)) {
                            const n = mu(e, t.key, t.newValue);
                            n && i.push(n)
                        }
                        return i
                    }),
                    cu(Tc, Tc, (e, t, i) => (e.position.isEqual(t.position) && i.aIsStrong || (e.position = e.position._getTransformedByInsertOperation(t)), [e])),
                    cu(Tc, Cc, (e, t) => (e.position = e.position._getTransformedByMoveOperation(t), [e])),
                    cu(Tc, Ic, (e, t) => (e.position = e.position._getTransformedBySplitOperation(t), [e])),
                    cu(Tc, Mc, (e, t) => (e.position = e.position._getTransformedByMergeOperation(t), [e])),
                    cu(Ec, Tc, (e, t) => (e.oldRange && (e.oldRange = e.oldRange._getTransformedByInsertOperation(t)[0]), e.newRange && (e.newRange = e.newRange._getTransformedByInsertOperation(t)[0]), [e])),
                    cu(Ec, Ec, (e, t, i) => {
                        if (e.name == t.name) {
                            if (!i.aIsStrong)
                                return [new Qc(0)];
                            e.oldRange = t.newRange ? t.newRange.clone() : null
                        }
                        return [e]
                    }),
                    cu(Ec, Mc, (e, t) => (e.oldRange && (e.oldRange = e.oldRange._getTransformedByMergeOperation(t)), e.newRange && (e.newRange = e.newRange._getTransformedByMergeOperation(t)), [e])),
                    cu(Ec, Cc, (e, t, i) => {
                        if (e.oldRange && (e.oldRange = oa._createFromRanges(e.oldRange._getTransformedByMoveOperation(t))), e.newRange) {
                            if (i.abRelation) {
                                const n = oa._createFromRanges(e.newRange._getTransformedByMoveOperation(t));
                                if ("left" == i.abRelation.side && t.targetPosition.isEqual(e.newRange.start))
                                    return e.newRange.start.path = i.abRelation.path, e.newRange.end = n.end, [e];
                                if ("right" == i.abRelation.side && t.targetPosition.isEqual(e.newRange.end))
                                    return e.newRange.start = n.start, e.newRange.end.path = i.abRelation.path, [e]
                            }
                            e.newRange = oa._createFromRanges(e.newRange._getTransformedByMoveOperation(t))
                        }
                        return [e]
                    }),
                    cu(Ec, Ic, (e, t, i) => {
                        if (e.oldRange && (e.oldRange = e.oldRange._getTransformedBySplitOperation(t)), e.newRange) {
                            if (i.abRelation) {
                                const n = e.newRange._getTransformedBySplitOperation(t);
                                return e.newRange.start.isEqual(t.splitPosition) && i.abRelation.wasStartBeforeMergedElement ? e.newRange.start = ea._createAt(t.insertionPosition) : e.newRange.start.isEqual(t.splitPosition) && !i.abRelation.wasInLeftElement && (e.newRange.start = ea._createAt(t.moveTargetPosition)),
                                e.newRange.end.isEqual(t.splitPosition) && i.abRelation.wasInRightElement ? e.newRange.end = ea._createAt(t.moveTargetPosition) : e.newRange.end.isEqual(t.splitPosition) && i.abRelation.wasEndBeforeMergedElement ? e.newRange.end = ea._createAt(t.insertionPosition) : e.newRange.end = n.end,
                                [e]
                            }
                            e.newRange = e.newRange._getTransformedBySplitOperation(t)
                        }
                        return [e]
                    }),
                    cu(Mc, Tc, (e, t) => (e.sourcePosition.hasSameParentAs(t.position) && (e.howMany += t.howMany), e.sourcePosition = e.sourcePosition._getTransformedByInsertOperation(t), e.targetPosition = e.targetPosition._getTransformedByInsertOperation(t), [e])),
                    cu(Mc, Mc, (e, t, i) => {
                        if (e.sourcePosition.isEqual(t.sourcePosition) && e.targetPosition.isEqual(t.targetPosition)) {
                            if (i.bWasUndone) {
                                const i = t.graveyardPosition.path.slice();
                                return i.push(0),
                                e.sourcePosition = new ea(t.graveyardPosition.root, i),
                                e.howMany = 0,
                                [e]
                            }
                            return [new Qc(0)]
                        }
                        if (e.sourcePosition.isEqual(t.sourcePosition) && !e.targetPosition.isEqual(t.targetPosition) && !i.bWasUndone && "splitAtSource" != i.abRelation) {
                            const n = "$graveyard" == e.targetPosition.root.rootName,
                            o = "$graveyard" == t.targetPosition.root.rootName,
                            r = n && !o;
                            if (o && !n || !r && i.aIsStrong) {
                                const i = t.targetPosition._getTransformedByMergeOperation(t),
                                n = e.targetPosition._getTransformedByMergeOperation(t);
                                return [new Cc(i, e.howMany, n, 0)]
                            }
                            return [new Qc(0)]
                        }
                        return e.sourcePosition.hasSameParentAs(t.targetPosition) && (e.howMany += t.howMany),
                        e.sourcePosition = e.sourcePosition._getTransformedByMergeOperation(t),
                        e.targetPosition = e.targetPosition._getTransformedByMergeOperation(t),
                        e.graveyardPosition.isEqual(t.graveyardPosition) && i.aIsStrong || (e.graveyardPosition = e.graveyardPosition._getTransformedByMergeOperation(t)),
                        [e]
                    }),
                    cu(Mc, Cc, (e, t, i) => {
                        const n = oa._createFromPositionAndShift(t.sourcePosition, t.howMany);
                        return "remove" == t.type && !i.bWasUndone && !i.forceWeakRemove && e.deletionPosition.hasSameParentAs(t.sourcePosition) && n.containsPosition(e.sourcePosition) ? [new Qc(0)] : (e.sourcePosition.hasSameParentAs(t.targetPosition) && (e.howMany += t.howMany), e.sourcePosition.hasSameParentAs(t.sourcePosition) && (e.howMany -= t.howMany), e.sourcePosition = e.sourcePosition._getTransformedByMoveOperation(t), e.targetPosition = e.targetPosition._getTransformedByMoveOperation(t), e.graveyardPosition.isEqual(t.targetPosition) || (e.graveyardPosition = e.graveyardPosition._getTransformedByMoveOperation(t)), [e])
                    }),
                    cu(Mc, Ic, (e, t, i) => {
                        if (t.graveyardPosition && (e.graveyardPosition = e.graveyardPosition._getTransformedByDeletion(t.graveyardPosition, 1), e.deletionPosition.isEqual(t.graveyardPosition) && (e.howMany = t.howMany)), e.targetPosition.isEqual(t.splitPosition)) {
                            const n = 0 != t.howMany,
                            o = t.graveyardPosition && e.deletionPosition.isEqual(t.graveyardPosition);
                            if (n || o || "mergeTargetNotMoved" == i.abRelation)
                                return e.sourcePosition = e.sourcePosition._getTransformedBySplitOperation(t), [e]
                        }
                        if (e.sourcePosition.isEqual(t.splitPosition)) {
                            if ("mergeSourceNotMoved" == i.abRelation)
                                return e.howMany = 0, e.targetPosition = e.targetPosition._getTransformedBySplitOperation(t), [e];
                            if ("mergeSameElement" == i.abRelation || e.sourcePosition.offset > 0)
                                return e.sourcePosition = t.moveTargetPosition.clone(), e.targetPosition = e.targetPosition._getTransformedBySplitOperation(t), [e]
                        }
                        return e.sourcePosition.hasSameParentAs(t.splitPosition) && (e.howMany = t.splitPosition.offset),
                        e.sourcePosition = e.sourcePosition._getTransformedBySplitOperation(t),
                        e.targetPosition = e.targetPosition._getTransformedBySplitOperation(t),
                        [e]
                    }),
                    cu(Cc, Tc, (e, t) => {
                        const i = oa._createFromPositionAndShift(e.sourcePosition, e.howMany)._getTransformedByInsertOperation(t, !1)[0];
                        return e.sourcePosition = i.start,
                        e.howMany = i.end.offset - i.start.offset,
                        e.targetPosition.isEqual(t.position) || (e.targetPosition = e.targetPosition._getTransformedByInsertOperation(t)),
                        [e]
                    }),
                    cu(Cc, Cc, (e, t, i) => {
                        const n = oa._createFromPositionAndShift(e.sourcePosition, e.howMany),
                        o = oa._createFromPositionAndShift(t.sourcePosition, t.howMany);
                        let r,
                        s = i.aIsStrong,
                        a = !i.aIsStrong;
                        if ("insertBefore" == i.abRelation || "insertAfter" == i.baRelation ? a = !0 : "insertAfter" != i.abRelation && "insertBefore" != i.baRelation || (a = !1), r = e.targetPosition.isEqual(t.targetPosition) && a ? e.targetPosition._getTransformedByDeletion(t.sourcePosition, t.howMany) : e.targetPosition._getTransformedByMove(t.sourcePosition, t.targetPosition, t.howMany), pu(e, t) && pu(t, e))
                            return [t.getReversed()];
                        if (n.containsPosition(t.targetPosition) && n.containsRange(o, !0))
                            return n.start = n.start._getTransformedByMove(t.sourcePosition, t.targetPosition, t.howMany), n.end = n.end._getTransformedByMove(t.sourcePosition, t.targetPosition, t.howMany), bu([n], r);
                        if (o.containsPosition(e.targetPosition) && o.containsRange(n, !0))
                            return n.start = n.start._getCombined(t.sourcePosition, t.getMovedRangeStart()), n.end = n.end._getCombined(t.sourcePosition, t.getMovedRangeStart()), bu([n], r);
                        const c = cn(e.sourcePosition.getParentPath(), t.sourcePosition.getParentPath());
                        if ("prefix" == c || "extension" == c)
                            return n.start = n.start._getTransformedByMove(t.sourcePosition, t.targetPosition, t.howMany), n.end = n.end._getTransformedByMove(t.sourcePosition, t.targetPosition, t.howMany), bu([n], r);
                        "remove" != e.type || "remove" == t.type || i.aWasUndone || i.forceWeakRemove ? "remove" == e.type || "remove" != t.type || i.bWasUndone || i.forceWeakRemove || (s = !1) : s = !0;
                        const l = [],
                        d = n.getDifference(o);
                        for (const e of d) {
                            e.start = e.start._getTransformedByDeletion(t.sourcePosition, t.howMany),
                            e.end = e.end._getTransformedByDeletion(t.sourcePosition, t.howMany);
                            const i = "same" == cn(e.start.getParentPath(), t.getMovedRangeStart().getParentPath()),
                            n = e._getTransformedByInsertion(t.getMovedRangeStart(), t.howMany, i);
                            l.push(...n)
                        }
                        const u = n.getIntersection(o);
                        return null !== u && s && (u.start = u.start._getCombined(t.sourcePosition, t.getMovedRangeStart()), u.end = u.end._getCombined(t.sourcePosition, t.getMovedRangeStart()), 0 === l.length ? l.push(u) : 1 == l.length ? o.start.isBefore(n.start) || o.start.isEqual(n.start) ? l.unshift(u) : l.push(u) : l.splice(1, 0, u)),
                        0 === l.length ? [new Qc(e.baseVersion)] : bu(l, r)
                    }),
                    cu(Cc, Ic, (e, t, i) => {
                        let n = e.targetPosition.clone();
                        e.targetPosition.isEqual(t.insertionPosition) && t.graveyardPosition && "moveTargetAfter" != i.abRelation || (n = e.targetPosition._getTransformedBySplitOperation(t));
                        const o = oa._createFromPositionAndShift(e.sourcePosition, e.howMany);
                        if (o.end.isEqual(t.insertionPosition))
                            return t.graveyardPosition || e.howMany++, e.targetPosition = n, [e];
                        if (o.start.hasSameParentAs(t.splitPosition) && o.containsPosition(t.splitPosition)) {
                            let e = new oa(t.splitPosition, o.end);
                            e = e._getTransformedBySplitOperation(t);
                            return bu([new oa(o.start, t.splitPosition), e], n)
                        }
                        e.targetPosition.isEqual(t.splitPosition) && "insertAtSource" == i.abRelation && (n = t.moveTargetPosition),
                        e.targetPosition.isEqual(t.insertionPosition) && "insertBetween" == i.abRelation && (n = e.targetPosition);
                        const r = [o._getTransformedBySplitOperation(t)];
                        if (t.graveyardPosition) {
                            const n = o.start.isEqual(t.graveyardPosition) || o.containsPosition(t.graveyardPosition);
                            e.howMany > 1 && n && !i.aWasUndone && r.push(oa._createFromPositionAndShift(t.insertionPosition, 1))
                        }
                        return bu(r, n)
                    }),
                    cu(Cc, Mc, (e, t, i) => {
                        const n = oa._createFromPositionAndShift(e.sourcePosition, e.howMany);
                        if (t.deletionPosition.hasSameParentAs(e.sourcePosition) && n.containsPosition(t.sourcePosition))
                            if ("remove" != e.type || i.forceWeakRemove) {
                                if (1 == e.howMany)
                                    return i.bWasUndone ? (e.sourcePosition = t.graveyardPosition.clone(), e.targetPosition = e.targetPosition._getTransformedByMergeOperation(t), [e]) : [new Qc(0)]
                            } else if (!i.aWasUndone) {
                                const i = [];
                                let n = t.graveyardPosition.clone(),
                                o = t.targetPosition._getTransformedByMergeOperation(t);
                                e.howMany > 1 && (i.push(new Cc(e.sourcePosition, e.howMany - 1, e.targetPosition, 0)), n = n._getTransformedByMove(e.sourcePosition, e.targetPosition, e.howMany - 1), o = o._getTransformedByMove(e.sourcePosition, e.targetPosition, e.howMany - 1));
                                const r = t.deletionPosition._getCombined(e.sourcePosition, e.targetPosition),
                                s = new Cc(n, 1, r, 0),
                                a = s.getMovedRangeStart().path.slice();
                                a.push(0);
                                const c = new ea(s.targetPosition.root, a);
                                o = o._getTransformedByMove(n, r, 1);
                                const l = new Cc(o, t.howMany, c, 0);
                                return i.push(s),
                                i.push(l),
                                i
                            }
                        const o = oa._createFromPositionAndShift(e.sourcePosition, e.howMany)._getTransformedByMergeOperation(t);
                        return e.sourcePosition = o.start,
                        e.howMany = o.end.offset - o.start.offset,
                        e.targetPosition = e.targetPosition._getTransformedByMergeOperation(t),
                        [e]
                    }),
                    cu(Pc, Tc, (e, t) => (e.position = e.position._getTransformedByInsertOperation(t), [e])),
                    cu(Pc, Mc, (e, t) => e.position.isEqual(t.deletionPosition) ? (e.position = t.graveyardPosition.clone(), e.position.stickiness = "toNext", [e]) : (e.position = e.position._getTransformedByMergeOperation(t), [e])),
                    cu(Pc, Cc, (e, t) => (e.position = e.position._getTransformedByMoveOperation(t), [e])),
                    cu(Pc, Pc, (e, t, i) => {
                        if (e.position.isEqual(t.position)) {
                            if (!i.aIsStrong)
                                return [new Qc(0)];
                            e.oldName = t.newName
                        }
                        return [e]
                    }),
                    cu(Pc, Ic, (e, t) => {
                        if ("same" == cn(e.position.path, t.splitPosition.getParentPath()) && !t.graveyardPosition) {
                            const t = new Pc(e.position.getShiftedBy(1), e.oldName, e.newName, 0);
                            return [e, t]
                        }
                        return e.position = e.position._getTransformedBySplitOperation(t),
                        [e]
                    }),
                    cu(Sc, Sc, (e, t, i) => {
                        if (e.root === t.root && e.key === t.key) {
                            if (!i.aIsStrong || e.newValue === t.newValue)
                                return [new Qc(0)];
                            e.oldValue = t.newValue
                        }
                        return [e]
                    }),
                    cu(Ic, Tc, (e, t) => (e.splitPosition.hasSameParentAs(t.position) && e.splitPosition.offset < t.position.offset && (e.howMany += t.howMany), e.splitPosition = e.splitPosition._getTransformedByInsertOperation(t), e.insertionPosition = e.insertionPosition._getTransformedByInsertOperation(t), [e])),
                    cu(Ic, Mc, (e, t, i) => {
                        if (!e.graveyardPosition && !i.bWasUndone && e.splitPosition.hasSameParentAs(t.sourcePosition)) {
                            const i = t.graveyardPosition.path.slice();
                            i.push(0);
                            const n = new ea(t.graveyardPosition.root, i),
                            o = Ic.getInsertionPosition(new ea(t.graveyardPosition.root, i)),
                            r = new Ic(n, 0, o, null, 0);
                            return e.splitPosition = e.splitPosition._getTransformedByMergeOperation(t),
                            e.insertionPosition = Ic.getInsertionPosition(e.splitPosition),
                            e.graveyardPosition = r.insertionPosition.clone(),
                            e.graveyardPosition.stickiness = "toNext",
                            [r, e]
                        }
                        return e.splitPosition.hasSameParentAs(t.deletionPosition) && !e.splitPosition.isAfter(t.deletionPosition) && e.howMany--,
                        e.splitPosition.hasSameParentAs(t.targetPosition) && (e.howMany += t.howMany),
                        e.splitPosition = e.splitPosition._getTransformedByMergeOperation(t),
                        e.insertionPosition = Ic.getInsertionPosition(e.splitPosition),
                        e.graveyardPosition && (e.graveyardPosition = e.graveyardPosition._getTransformedByMergeOperation(t)),
                        [e]
                    }),
                    cu(Ic, Cc, (e, t, i) => {
                        const n = oa._createFromPositionAndShift(t.sourcePosition, t.howMany);
                        if (e.graveyardPosition) {
                            const o = n.start.isEqual(e.graveyardPosition) || n.containsPosition(e.graveyardPosition);
                            if (!i.bWasUndone && o) {
                                const i = e.splitPosition._getTransformedByMoveOperation(t),
                                n = e.graveyardPosition._getTransformedByMoveOperation(t),
                                o = n.path.slice();
                                o.push(0);
                                const r = new ea(n.root, o);
                                return [new Cc(i, e.howMany, r, 0)]
                            }
                            e.graveyardPosition = e.graveyardPosition._getTransformedByMoveOperation(t)
                        }
                        const o = e.splitPosition.isEqual(t.targetPosition);
                        if (o && ("insertAtSource" == i.baRelation || "splitBefore" == i.abRelation))
                            return e.howMany += t.howMany, e.splitPosition = e.splitPosition._getTransformedByDeletion(t.sourcePosition, t.howMany), e.insertionPosition = Ic.getInsertionPosition(e.splitPosition), [e];
                        if (o && i.abRelation && i.abRelation.howMany) {
                            const {
                                howMany: t,
                                offset: n
                            } = i.abRelation;
                            return e.howMany += t,
                            e.splitPosition = e.splitPosition.getShiftedBy(n),
                            [e]
                        }
                        if (e.splitPosition.hasSameParentAs(t.sourcePosition) && n.containsPosition(e.splitPosition)) {
                            const i = t.howMany - (e.splitPosition.offset - t.sourcePosition.offset);
                            return e.howMany -= i,
                            e.splitPosition.hasSameParentAs(t.targetPosition) && e.splitPosition.offset < t.targetPosition.offset && (e.howMany += t.howMany),
                            e.splitPosition = t.sourcePosition.clone(),
                            e.insertionPosition = Ic.getInsertionPosition(e.splitPosition),
                            [e]
                        }
                        return t.sourcePosition.isEqual(t.targetPosition) || (e.splitPosition.hasSameParentAs(t.sourcePosition) && e.splitPosition.offset <= t.sourcePosition.offset && (e.howMany -= t.howMany), e.splitPosition.hasSameParentAs(t.targetPosition) && e.splitPosition.offset < t.targetPosition.offset && (e.howMany += t.howMany)),
                        e.splitPosition.stickiness = "toNone",
                        e.splitPosition = e.splitPosition._getTransformedByMoveOperation(t),
                        e.splitPosition.stickiness = "toNext",
                        e.graveyardPosition ? e.insertionPosition = e.insertionPosition._getTransformedByMoveOperation(t) : e.insertionPosition = Ic.getInsertionPosition(e.splitPosition),
                        [e]
                    }),
                    cu(Ic, Ic, (e, t, i) => {
                        if (e.splitPosition.isEqual(t.splitPosition)) {
                            if (!e.graveyardPosition && !t.graveyardPosition)
                                return [new Qc(0)];
                            if (e.graveyardPosition && t.graveyardPosition && e.graveyardPosition.isEqual(t.graveyardPosition))
                                return [new Qc(0)];
                            if ("splitBefore" == i.abRelation)
                                return e.howMany = 0, e.graveyardPosition = e.graveyardPosition._getTransformedBySplitOperation(t), [e]
                        }
                        if (e.graveyardPosition && t.graveyardPosition && e.graveyardPosition.isEqual(t.graveyardPosition)) {
                            const n = "$graveyard" == e.splitPosition.root.rootName,
                            o = "$graveyard" == t.splitPosition.root.rootName,
                            r = n && !o;
                            if (o && !n || !r && i.aIsStrong) {
                                const i = [];
                                return t.howMany && i.push(new Cc(t.moveTargetPosition, t.howMany, t.splitPosition, 0)),
                                e.howMany && i.push(new Cc(e.splitPosition, e.howMany, e.moveTargetPosition, 0)),
                                i
                            }
                            return [new Qc(0)]
                        }
                        if (e.graveyardPosition && (e.graveyardPosition = e.graveyardPosition._getTransformedBySplitOperation(t)), e.splitPosition.isEqual(t.insertionPosition) && "splitBefore" == i.abRelation)
                            return e.howMany++, [e];
                        if (t.splitPosition.isEqual(e.insertionPosition) && "splitBefore" == i.baRelation) {
                            const i = t.insertionPosition.path.slice();
                            i.push(0);
                            const n = new ea(t.insertionPosition.root, i);
                            return [e, new Cc(e.insertionPosition, 1, n, 0)]
                        }
                        return e.splitPosition.hasSameParentAs(t.splitPosition) && e.splitPosition.offset < t.splitPosition.offset && (e.howMany -= t.howMany),
                        e.splitPosition = e.splitPosition._getTransformedBySplitOperation(t),
                        e.insertionPosition = Ic.getInsertionPosition(e.splitPosition),
                        [e]
                    });
                    class wu extends ts {
                        constructor(e) {
                            super(e),
                            this.domEventType = "click"
                        }
                        onDomEvent(e) {
                            this.fire(e.type, e)
                        }
                    }
                    class ku extends ts {
                        constructor(e) {
                            super(e),
                            this.domEventType = ["mousedown", "mouseup"]
                        }
                        onDomEvent(e) {
                            this.fire(e.type, e)
                        }
                    }
                    class _u {
                        constructor(e) {
                            this.document = e
                        }
                        createDocumentFragment(e) {
                            return new Uo(this.document, e)
                        }
                        createElement(e, t, i) {
                            return new Xn(this.document, e, t, i)
                        }
                        createText(e) {
                            return new un(this.document, e)
                        }
                        clone(e, t = !1) {
                            return e._clone(t)
                        }
                        appendChild(e, t) {
                            return t._appendChild(e)
                        }
                        insertChild(e, t, i) {
                            return i._insertChild(e, t)
                        }
                        removeChildren(e, t, i) {
                            return i._removeChildren(e, t)
                        }
                        remove(e) {
                            const t = e.parent;
                            return t ? this.removeChildren(t.getChildIndex(e), 1, t) : []
                        }
                        replace(e, t) {
                            const i = e.parent;
                            if (i) {
                                const n = i.getChildIndex(e);
                                return this.removeChildren(n, 1, i),
                                this.insertChild(n, t, i),
                                !0
                            }
                            return !1
                        }
                        unwrapElement(e) {
                            const t = e.parent;
                            if (t) {
                                const i = t.getChildIndex(e);
                                this.remove(e),
                                this.insertChild(i, e.getChildren(), t)
                            }
                        }
                        rename(e, t) {
                            const i = new Xn(this.document, e, t.getAttributes(), t.getChildren());
                            return this.replace(t, i) ? i : null
                        }
                        setAttribute(e, t, i) {
                            i._setAttribute(e, t)
                        }
                        removeAttribute(e, t) {
                            t._removeAttribute(e)
                        }
                        addClass(e, t) {
                            t._addClass(e)
                        }
                        removeClass(e, t) {
                            t._removeClass(e)
                        }
                        setStyle(e, t, i) {
                            ct(e) && void 0 === i && (i = t),
                            i._setStyle(e, t)
                        }
                        removeStyle(e, t) {
                            t._removeStyle(e)
                        }
                        setCustomProperty(e, t, i) {
                            i._setCustomProperty(e, t)
                        }
                        removeCustomProperty(e, t) {
                            return t._removeCustomProperty(e)
                        }
                        createPositionAt(e, t) {
                            return ao._createAt(e, t)
                        }
                        createPositionAfter(e) {
                            return ao._createAfter(e)
                        }
                        createPositionBefore(e) {
                            return ao._createBefore(e)
                        }
                        createRange(e, t) {
                            return new co(e, t)
                        }
                        createRangeOn(e) {
                            return co._createOn(e)
                        }
                        createRangeIn(e) {
                            return co._createIn(e)
                        }
                        createSelection(e, t, i) {
                            return new ho(e, t, i)
                        }
                    }
                    new Set(["black", "silver", "gray", "white", "maroon", "red", "purple", "fuchsia", "green", "lime", "olive", "yellow", "navy", "blue", "teal", "aqua", "orange", "aliceblue", "antiquewhite", "aquamarine", "azure", "beige", "bisque", "blanchedalmond", "blueviolet", "brown", "burlywood", "cadetblue", "chartreuse", "chocolate", "coral", "cornflowerblue", "cornsilk", "crimson", "cyan", "darkblue", "darkcyan", "darkgoldenrod", "darkgray", "darkgreen", "darkgrey", "darkkhaki", "darkmagenta", "darkolivegreen", "darkorange", "darkorchid", "darkred", "darksalmon", "darkseagreen", "darkslateblue", "darkslategray", "darkslategrey", "darkturquoise", "darkviolet", "deeppink", "deepskyblue", "dimgray", "dimgrey", "dodgerblue", "firebrick", "floralwhite", "forestgreen", "gainsboro", "ghostwhite", "gold", "goldenrod", "greenyellow", "grey", "honeydew", "hotpink", "indianred", "indigo", "ivory", "khaki", "lavender", "lavenderblush", "lawngreen", "lemonchiffon", "lightblue", "lightcoral", "lightcyan", "lightgoldenrodyellow", "lightgray", "lightgreen", "lightgrey", "lightpink", "lightsalmon", "lightseagreen", "lightskyblue", "lightslategray", "lightslategrey", "lightsteelblue", "lightyellow", "limegreen", "linen", "magenta", "mediumaquamarine", "mediumblue", "mediumorchid", "mediumpurple", "mediumseagreen", "mediumslateblue", "mediumspringgreen", "mediumturquoise", "mediumvioletred", "midnightblue", "mintcream", "mistyrose", "moccasin", "navajowhite", "oldlace", "olivedrab", "orangered", "orchid", "palegoldenrod", "palegreen", "paleturquoise", "palevioletred", "papayawhip", "peachpuff", "peru", "pink", "plum", "powderblue", "rosybrown", "royalblue", "saddlebrown", "salmon", "sandybrown", "seagreen", "seashell", "sienna", "skyblue", "slateblue", "slategray", "slategrey", "snow", "springgreen", "steelblue", "tan", "thistle", "tomato", "turquoise", "violet", "wheat", "whitesmoke", "yellowgreen", "rebeccapurple", "currentcolor", "transparent"]);
                    class vu extends _l {
                        constructor(e, t) {
                            super(e),
                            this.view = t,
                            this._toolbarConfig = xd(e.config.get("toolbar")),
                            this._elementReplacer = new vs
                        }
                        get element() {
                            return this.view.element
                        }
                        init(e) {
                            const t = this.editor,
                            i = this.view,
                            n = t.editing.view,
                            o = i.editable,
                            r = n.document.getRoot();
                            o.name = r.rootName,
                            i.render();
                            const s = o.element;
                            this.setEditableElement(o.name, s),
                            this.focusTracker.add(s),
                            i.editable.bind("isFocused").to(this.focusTracker),
                            n.attachDomRoot(s),
                            e && this._elementReplacer.replace(e, this.element),
                            this._initPlaceholder(),
                            this._initToolbar(),
                            this.fire("ready")
                        }
                        destroy() {
                            const e = this.view,
                            t = this.editor.editing.view;
                            this._elementReplacer.restore(),
                            t.detachDomRoot(e.editable.name),
                            e.destroy(),
                            super.destroy()
                        }
                        _initToolbar() {
                            const e = this.editor,
                            t = this.view,
                            i = e.editing.view;
                            t.stickyPanel.bind("isActive").to(this.focusTracker, "isFocused"),
                            t.stickyPanel.limiterElement = t.element,
                            this._toolbarConfig.viewportTopOffset && (t.stickyPanel.viewportTopOffset = this._toolbarConfig.viewportTopOffset),
                            t.toolbar.fillFromConfig(this._toolbarConfig, this.componentFactory),
                            function ({
                                origin: e,
                                originKeystrokeHandler: t,
                                originFocusTracker: i,
                                toolbar: n,
                                beforeFocus: o,
                                afterBlur: r
                            }) {
                                i.add(n.element),
                                t.set("Alt+F10", (e, t) => {
                                    i.isFocused && !n.focusTracker.isFocused && (o && o(), n.focus(), t())
                                }),
                                n.keystrokes.set("Esc", (t, i) => {
                                    n.focusTracker.isFocused && (e.focus(), r && r(), i())
                                })
                            }
                            ({
                                origin: i,
                                originFocusTracker: this.focusTracker,
                                originKeystrokeHandler: e.keystrokes,
                                toolbar: t.toolbar
                            })
                        }
                        _initPlaceholder() {
                            const e = this.editor,
                            t = e.editing.view,
                            i = t.document.getRoot(),
                            n = e.sourceElement,
                            o = e.config.get("placeholder") || n && "textarea" === n.tagName.toLowerCase() && n.getAttribute("placeholder");
                            o && iu({
                                view: t,
                                element: i,
                                text: o,
                                isDirectHost: !1,
                                keepOnFocus: !0
                            })
                        }
                    }
                    i(60);
                    class yu extends Dd {
                        constructor(e, t, i = {}) {
                            super(e),
                            this.stickyPanel = new eu(e),
                            this.toolbar = new Ad(e, {
                                shouldGroupWhenFull: i.shouldToolbarGroupWhenFull
                            }),
                            this.editable = new zd(e, t)
                        }
                        render() {
                            super.render(),
                            this.stickyPanel.content.add(this.toolbar),
                            this.top.add(this.stickyPanel),
                            this.main.add(this.editable)
                        }
                    }
                    class xu extends bl {
                        constructor(e, t) {
                            super(t),
                            Yi(e) && (this.sourceElement = e),
                            this.model.document.createRoot();
                            const i = !this.config.get("toolbar.shouldNotGroupWhenFull"),
                            n = new yu(this.locale, this.editing.view, {
                                shouldToolbarGroupWhenFull: i
                            });
                            this.ui = new vu(this, n),
                            function (e) {
                                if (!I(e.updateSourceElement))
                                    throw new c.a("attachtoform-missing-elementapi-interface", e);
                                const t = e.sourceElement;
                                if (t && "textarea" === t.tagName.toLowerCase() && t.form) {
                                    let i;
                                    const n = t.form,
                                    o = () => e.updateSourceElement();
                                    I(n.submit) && (i = n.submit, n.submit = () => {
                                        o(),
                                        i.apply(n)
                                    }),
                                    n.addEventListener("submit", o),
                                    e.on("destroy", () => {
                                        n.removeEventListener("submit", o),
                                        i && (n.submit = i)
                                    })
                                }
                            }
                            (this)
                        }
                        destroy() {
                            return this.sourceElement && this.updateSourceElement(),
                            this.ui.destroy(),
                            super.destroy()
                        }
                        static create(e, t = {}) {
                            return new Promise(i => {
                                const n = new this(e, t);
                                i(n.initPlugins().then(() => n.ui.init(Yi(e) ? e : null)).then(() => {
                                        if (!Yi(e) && t.initialData)
                                            throw new c.a("editor-create-initial-data", null);
                                        const i = void 0 !== t.initialData ? t.initialData : function (e) {
                                            return Yi(e) ? (t = e, t instanceof HTMLTextAreaElement ? t.value : t.innerHTML) : e;
                                            var t
                                        }
                                        (e);
                                        return n.data.init(i)
                                    }).then(() => n.fire("ready")).then(() => n))
                            })
                        }
                    }
                    Ke(xu, vl),
                    Ke(xu, yl);
                    class Au {
                        constructor(e) {
                            this.files = function (e) {
                                const t = e.files ? Array.from(e.files) : [],
                                i = e.items ? Array.from(e.items) : [];
                                if (t.length)
                                    return t;
                                return i.filter(e => "file" === e.kind).map(e => e.getAsFile())
                            }
                            (e),
                            this._native = e
                        }
                        get types() {
                            return this._native.types
                        }
                        getData(e) {
                            return this._native.getData(e)
                        }
                        setData(e, t) {
                            this._native.setData(e, t)
                        }
                        set effectAllowed(e) {
                            this._native.effectAllowed = e
                        }
                        get effectAllowed() {
                            return this._native.effectAllowed
                        }
                        set dropEffect(e) {
                            this._native.dropEffect = e
                        }
                        get dropEffect() {
                            return this._native.dropEffect
                        }
                        get isCanceled() {
                            return "none" == this._native.dropEffect || !!this._native.mozUserCancelled
                        }
                    }
                    class Cu extends ts {
                        constructor(e) {
                            super(e);
                            const t = this.document;
                            function i(e) {
                                return (i, n) => {
                                    n.preventDefault();
                                    const r = n.dropRange ? [n.dropRange] : null,
                                    s = new o(t, e);
                                    t.fire(s, {
                                        dataTransfer: n.dataTransfer,
                                        method: i.name,
                                        targetRanges: r,
                                        target: n.target
                                    }),
                                    s.stop.called && n.stopPropagation()
                                }
                            }
                            this.domEventType = ["paste", "copy", "cut", "drop", "dragover", "dragstart", "dragend", "dragenter", "dragleave"],
                            this.listenTo(t, "paste", i("clipboardInput"), {
                                priority: "low"
                            }),
                            this.listenTo(t, "drop", i("clipboardInput"), {
                                priority: "low"
                            }),
                            this.listenTo(t, "dragover", i("dragging"), {
                                priority: "low"
                            })
                        }
                        onDomEvent(e) {
                            const t = {
                                dataTransfer: new Au(e.clipboardData ? e.clipboardData : e.dataTransfer)
                            };
                            "drop" != e.type && "dragover" != e.type || (t.dropRange = function (e, t) {
                                const i = t.target.ownerDocument,
                                n = t.clientX,
                                o = t.clientY;
                                let r;
                                i.caretRangeFromPoint && i.caretRangeFromPoint(n, o) ? r = i.caretRangeFromPoint(n, o) : t.rangeParent && (r = i.createRange(), r.setStart(t.rangeParent, t.rangeOffset), r.collapse(!0));
                                if (r)
                                    return e.domConverter.domRangeToView(r);
                                return null
                            }
                                (this.view, e)),
                            this.fire(e.type, e, t)
                        }
                    }
                    const Tu = ["figcaption", "li"];
                    class Eu extends Qe {
                        static get pluginName() {
                            return "ClipboardPipeline"
                        }
                        init() {
                            this.editor.editing.view.addObserver(Cu),
                            this._setupPasteDrop(),
                            this._setupCopyCut()
                        }
                        _setupPasteDrop() {
                            const e = this.editor,
                            t = e.model,
                            i = e.editing.view,
                            n = i.document;
                            this.listenTo(n, "clipboardInput", t => {
                                e.isReadOnly && t.stop()
                            }, {
                                priority: "highest"
                            }),
                            this.listenTo(n, "clipboardInput", (e, t) => {
                                const n = t.dataTransfer;
                                let r = t.content || "";
                                var s;
                                r || (n.getData("text/html") ? r = function (e) {
                                    return e.replace(/<span(?: class="Apple-converted-space"|)>(\s+)<\/span>/g, (e, t) => 1 == t.length ? " " : t)
                                }
                                    (n.getData("text/html")) : n.getData("text/plain") && (((s = (s = n.getData("text/plain")).replace(/</g, "&lt;").replace(/>/g, "&gt;").replace(/\r?\n\r?\n/g, "</p><p>").replace(/\r?\n/g, "<br>").replace(/^\s/, "&nbsp;").replace(/\s$/, "&nbsp;").replace(/\s\s/g, " &nbsp;")).includes("</p><p>") || s.includes("<br>")) && (s = `<p>${s}</p>`), r = s), r = this.editor.data.htmlProcessor.toView(r));
                                const a = new o(this, "inputTransformation");
                                this.fire(a, {
                                    content: r,
                                    dataTransfer: n,
                                    targetRanges: t.targetRanges,
                                    method: t.method
                                }),
                                a.stop.called && e.stop(),
                                i.scrollToTheSelection()
                            }, {
                                priority: "low"
                            }),
                            this.listenTo(this, "inputTransformation", (e, i) => {
                                if (i.content.isEmpty)
                                    return;
                                const n = this.editor.data.toModel(i.content, "$clipboardHolder");
                                0 != n.childCount && (e.stop(), t.change(() => {
                                        this.fire("contentInsertion", {
                                            content: n,
                                            method: i.method,
                                            dataTransfer: i.dataTransfer,
                                            targetRanges: i.targetRanges
                                        })
                                    }))
                            }, {
                                priority: "low"
                            }),
                            this.listenTo(this, "contentInsertion", (e, i) => {
                                i.resultRange = t.insertContent(i.content)
                            }, {
                                priority: "low"
                            })
                        }
                        _setupCopyCut() {
                            const e = this.editor,
                            t = e.model.document,
                            i = e.editing.view.document;
                            function n(n, o) {
                                const r = o.dataTransfer;
                                o.preventDefault();
                                const s = e.data.toView(e.model.getSelectedContent(t.selection));
                                i.fire("clipboardOutput", {
                                    dataTransfer: r,
                                    content: s,
                                    method: n.name
                                })
                            }
                            this.listenTo(i, "copy", n, {
                                priority: "low"
                            }),
                            this.listenTo(i, "cut", (t, i) => {
                                e.isReadOnly ? i.preventDefault() : n(t, i)
                            }, {
                                priority: "low"
                            }),
                            this.listenTo(i, "clipboardOutput", (i, n) => {
                                n.content.isEmpty || (n.dataTransfer.setData("text/html", this.editor.data.htmlProcessor.toData(n.content)), n.dataTransfer.setData("text/plain", function e(t) {
                                        let i = "";
                                        if (t.is("$text") || t.is("$textProxy"))
                                            i = t.data;
                                        else if (t.is("element", "img") && t.hasAttribute("alt"))
                                            i = t.getAttribute("alt");
                                        else if (t.is("element", "br"))
                                            i = "\n";
                                        else {
                                            let n = null;
                                            for (const o of t.getChildren()) {
                                                const t = e(o);
                                                n && (n.is("containerElement") || o.is("containerElement")) && (Tu.includes(n.name) || Tu.includes(o.name) ? i += "\n" : i += "\n\n"),
                                                i += t,
                                                n = o
                                            }
                                        }
                                        return i
                                    }
                                        (n.content))),
                                "cut" == n.method && e.model.deleteContent(t.selection)
                            }, {
                                priority: "low"
                            })
                        }
                    }
                    function  * Pu(e, t) {
                        for (const i of t)
                            i && e.getAttributeProperties(i[0]).copyOnEnter && (yield i)
                    }
                    class Su extends Ze {
                        execute() {
                            const e = this.editor.model,
                            t = e.document;
                            e.change(i => {
                                !function (e, t, i, n) {
                                    const o = i.isCollapsed,
                                    r = i.getFirstRange(),
                                    s = r.start.parent,
                                    a = r.end.parent;
                                    if (n.isLimit(s) || n.isLimit(a))
                                        return void(o || s != a || e.deleteContent(i));
                                    if (o) {
                                        const e = Pu(t.model.schema, i.getAttributes());
                                        Mu(t, r.start),
                                        t.setSelectionAttribute(e)
                                    } else {
                                        const n = !(r.start.isAtStart && r.end.isAtEnd),
                                        o = s == a;
                                        e.deleteContent(i, {
                                            leaveUnmerged: n
                                        }),
                                        n && (o ? Mu(t, i.focus) : t.setSelection(a, 0))
                                    }
                                }
                                (this.editor.model, i, t.selection, e.schema),
                                this.fire("afterExecute", {
                                    writer: i
                                })
                            })
                        }
                    }
                    function Mu(e, t) {
                        e.split(t),
                        e.setSelection(t.parent.nextSibling, 0)
                    }
                    class Iu extends Or {
                        constructor(e) {
                            super(e);
                            const t = this.document;
                            t.on("keydown", (e, i) => {
                                if (this.isEnabled && i.keyCode == Io.enter) {
                                    const n = new go(t, "enter", t.selection.getFirstRange());
                                    t.fire(n, new es(t, i.domEvent, {
                                            isSoft: i.shiftKey
                                        })),
                                    n.stop.called && e.stop()
                                }
                            })
                        }
                        observe() {}
                    }
                    class Nu extends Qe {
                        static get pluginName() {
                            return "Enter"
                        }
                        init() {
                            const e = this.editor,
                            t = e.editing.view,
                            i = t.document;
                            t.addObserver(Iu),
                            e.commands.add("enter", new Su(e)),
                            this.listenTo(i, "enter", (i, n) => {
                                n.preventDefault(),
                                n.isSoft || (e.execute("enter"), t.scrollToTheSelection())
                            }, {
                                priority: "low"
                            })
                        }
                    }
                    class Ru {
                        constructor(e, t = 20) {
                            this.model = e,
                            this.size = 0,
                            this.limit = t,
                            this.isLocked = !1,
                            this._changeCallback = (e, t) => {
                                "transparent" != t.type && t !== this._batch && this._reset(!0)
                            },
                            this._selectionChangeCallback = () => {
                                this._reset()
                            },
                            this.model.document.on("change", this._changeCallback),
                            this.model.document.selection.on("change:range", this._selectionChangeCallback),
                            this.model.document.selection.on("change:attribute", this._selectionChangeCallback)
                        }
                        get batch() {
                            return this._batch || (this._batch = this.model.createBatch()),
                            this._batch
                        }
                        input(e) {
                            this.size += e,
                            this.size >= this.limit && this._reset(!0)
                        }
                        lock() {
                            this.isLocked = !0
                        }
                        unlock() {
                            this.isLocked = !1
                        }
                        destroy() {
                            this.model.document.off("change", this._changeCallback),
                            this.model.document.selection.off("change:range", this._selectionChangeCallback),
                            this.model.document.selection.off("change:attribute", this._selectionChangeCallback)
                        }
                        _reset(e) {
                            this.isLocked && !e || (this._batch = null, this.size = 0)
                        }
                    }
                    class Ou extends Ze {
                        constructor(e, t) {
                            super(e),
                            this.direction = t,
                            this._buffer = new Ru(e.model, e.config.get("typing.undoStep"))
                        }
                        get buffer() {
                            return this._buffer
                        }
                        execute(e = {}) {
                            const t = this.editor.model,
                            i = t.document;
                            t.enqueueChange(this._buffer.batch, n => {
                                this._buffer.lock();
                                const o = n.createSelection(e.selection || i.selection),
                                r = e.sequence || 1,
                                s = o.isCollapsed;
                                if (o.isCollapsed && t.modifySelection(o, {
                                        direction: this.direction,
                                        unit: e.unit
                                    }), this._shouldEntireContentBeReplacedWithParagraph(r))
                                    return void this._replaceEntireContentWithParagraph(n);
                                if (this._shouldReplaceFirstBlockWithParagraph(o, r))
                                    return void this.editor.execute("paragraph", {
                                        selection: o
                                    });
                                if (o.isCollapsed)
                                    return;
                                let a = 0;
                                o.getFirstRange().getMinimalFlatRanges().forEach(e => {
                                    a += uo(e.getWalker({
                                            singleCharacters: !0,
                                            ignoreElementEnd: !0,
                                            shallow: !0
                                        }))
                                }),
                                t.deleteContent(o, {
                                    doNotResetEntireContent: s,
                                    direction: this.direction
                                }),
                                this._buffer.input(a),
                                n.setSelection(o),
                                this._buffer.unlock()
                            })
                        }
                        _shouldEntireContentBeReplacedWithParagraph(e) {
                            if (e > 1)
                                return !1;
                            const t = this.editor.model,
                            i = t.document.selection,
                            n = t.schema.getLimitElement(i);
                            if (!(i.isCollapsed && i.containsEntireContent(n)))
                                return !1;
                            if (!t.schema.checkChild(n, "paragraph"))
                                return !1;
                            const o = n.getChild(0);
                            return !o || "paragraph" !== o.name
                        }
                        _replaceEntireContentWithParagraph(e) {
                            const t = this.editor.model,
                            i = t.document.selection,
                            n = t.schema.getLimitElement(i),
                            o = e.createElement("paragraph");
                            e.remove(e.createRangeIn(n)),
                            e.insert(o, n),
                            e.setSelection(o, 0)
                        }
                        _shouldReplaceFirstBlockWithParagraph(e, t) {
                            const i = this.editor.model;
                            if (t > 1 || "backward" != this.direction)
                                return !1;
                            if (!e.isCollapsed)
                                return !1;
                            const n = e.getFirstPosition(),
                            o = i.schema.getLimitElement(n),
                            r = o.getChild(0);
                            return n.parent == r && (!!e.containsEntireContent(r) && (!!i.schema.checkChild(o, "paragraph") && "paragraph" != r.name))
                        }
                    }
                    class Du extends Or {
                        constructor(e) {
                            super(e);
                            const t = e.document;
                            let i = 0;
                            function n(e, i, n) {
                                const o = new go(t, "delete", t.selection.getFirstRange());
                                t.fire(o, new es(t, i, n)),
                                o.stop.called && e.stop()
                            }
                            t.on("keyup", (e, t) => {
                                t.keyCode != Io.delete && t.keyCode != Io.backspace || (i = 0)
                            }),
                            t.on("keydown", (e, t) => {
                                const o = {};
                                if (t.keyCode == Io.delete)
                                    o.direction = "forward", o.unit = "character";
                                else {
                                    if (t.keyCode != Io.backspace)
                                        return;
                                    o.direction = "backward",
                                    o.unit = "codePoint"
                                }
                                const r = Po.isMac ? t.altKey : t.ctrlKey;
                                o.unit = r ? "word" : o.unit,
                                o.sequence = ++i,
                                n(e, t.domEvent, o)
                            }),
                            Po.isAndroid && t.on("beforeinput", (t, i) => {
                                if ("deleteContentBackward" != i.domEvent.inputType)
                                    return;
                                const o = {
                                    unit: "codepoint",
                                    direction: "backward",
                                    sequence: 1
                                },
                                r = i.domTarget.ownerDocument.defaultView.getSelection();
                                r.anchorNode == r.focusNode && r.anchorOffset + 1 != r.focusOffset && (o.selectionToRemove = e.domConverter.domSelectionToView(r)),
                                n(t, i.domEvent, o)
                            })
                        }
                        observe() {}
                    }
                    class Lu extends Qe {
                        static get pluginName() {
                            return "Delete"
                        }
                        init() {
                            const e = this.editor,
                            t = e.editing.view,
                            i = t.document;
                            t.addObserver(Du);
                            const n = new Ou(e, "forward");
                            if (e.commands.add("deleteForward", n), e.commands.add("forwardDelete", n), e.commands.add("delete", new Ou(e, "backward")), this.listenTo(i, "delete", (i, n) => {
                                    const o = {
                                        unit: n.unit,
                                        sequence: n.sequence
                                    };
                                    if (n.selectionToRemove) {
                                        const t = e.model.createSelection(),
                                        i = [];
                                        for (const t of n.selectionToRemove.getRanges())
                                            i.push(e.editing.mapper.toModelRange(t));
                                            t.setTo(i),
                                            o.selection = t
                                        }
                                        e.execute("forward" == n.direction ? "deleteForward" : "delete", o),
                                        n.preventDefault(),
                                        t.scrollToTheSelection()
                                    }, {
                                        priority: "low"
                                    }), Po.isAndroid) {
                                    let e = null;
                                    this.listenTo(i, "delete", (t, i) => {
                                        const n = i.domTarget.ownerDocument.defaultView.getSelection();
                                        e = {
                                            anchorNode: n.anchorNode,
                                            anchorOffset: n.anchorOffset,
                                            focusNode: n.focusNode,
                                            focusOffset: n.focusOffset
                                        }
                                    }, {
                                        priority: "lowest"
                                    }),
                                    this.listenTo(i, "keyup", (t, i) => {
                                        if (e) {
                                            const t = i.domTarget.ownerDocument.defaultView.getSelection();
                                            t.collapse(e.anchorNode, e.anchorOffset),
                                            t.extend(e.focusNode, e.focusOffset),
                                            e = null
                                        }
                                    })
                                }
                        }
                    }
                    class zu {
                        constructor() {
                            this._stack = []
                        }
                        add(e, t) {
                            const i = this._stack,
                            n = i[0];
                            this._insertDescriptor(e);
                            const o = i[0];
                            n === o || Vu(n, o) || this.fire("change:top", {
                                oldDescriptor: n,
                                newDescriptor: o,
                                writer: t
                            })
                        }
                        remove(e, t) {
                            const i = this._stack,
                            n = i[0];
                            this._removeDescriptor(e);
                            const o = i[0];
                            n === o || Vu(n, o) || this.fire("change:top", {
                                oldDescriptor: n,
                                newDescriptor: o,
                                writer: t
                            })
                        }
                        _insertDescriptor(e) {
                            const t = this._stack,
                            i = t.findIndex(t => t.id === e.id);
                            if (Vu(e, t[i]))
                                return;
                            i > -1 && t.splice(i, 1);
                            let n = 0;
                            for (; t[n] && ju(t[n], e); )
                                n++;
                            t.splice(n, 0, e)
                        }
                        _removeDescriptor(e) {
                            const t = this._stack,
                            i = t.findIndex(t => t.id === e);
                            i > -1 && t.splice(i, 1)
                        }
                    }
                    function Vu(e, t) {
                        return e && t && e.priority == t.priority && Bu(e.classes) == Bu(t.classes)
                    }
                    function ju(e, t) {
                        return e.priority > t.priority || !(e.priority < t.priority) && Bu(e.classes) > Bu(t.classes)
                    }
                    function Bu(e) {
                        return Array.isArray(e) ? e.sort().join(",") : e
                    }
                    Ke(zu, u);
                    function Fu(e) {
                        return !!e.is("element") && !!e.getCustomProperty("widget")
                    }
                    function Hu(e, t, i = {}) {
                        if (!e.is("containerElement"))
                            throw new c.a("widget-to-widget-wrong-element-type", null, {
                                element: e
                            });
                        return t.setAttribute("contenteditable", "false", e),
                        t.addClass("ck-widget", e),
                        t.setCustomProperty("widget", !0, e),
                        e.getFillerOffset = Ju,
                        i.label && function (e, t, i) {
                            i.setCustomProperty("widgetLabel", t, e)
                        }
                        (e, i.label, t),
                        i.hasSelectionHandle && function (e, t) {
                            const i = t.createUIElement("div", {
                                class: "ck ck-widget__selection-handle"
                            }, (function (e) {
                                        const t = this.toDomElement(e),
                                        i = new sd;
                                        return i.set("content", '<svg viewBox="0 0 16 16" xmlns="http://www.w3.org/2000/svg"><path d="M4 0v1H1v3H0V.5A.5.5 0 0 1 .5 0H4zm8 0h3.5a.5.5 0 0 1 .5.5V4h-1V1h-3V0zM4 16H.5a.5.5 0 0 1-.5-.5V12h1v3h3v1zm8 0v-1h3v-3h1v3.5a.5.5 0 0 1-.5.5H12z"/><path fill-opacity=".256" d="M1 1h14v14H1z"/><g class="ck-icon__selected-indicator"><path d="M7 0h2v1H7V0zM0 7h1v2H0V7zm15 0h1v2h-1V7zm-8 8h2v1H7v-1z"/><path fill-opacity=".254" d="M1 1h14v14H1z"/></g></svg>'),
                                        i.render(),
                                        t.appendChild(i.element),
                                        t
                                    }));
                            t.insert(t.createPositionAt(e, 0), i),
                            t.addClass(["ck-widget_with-selection-handle"], e)
                        }
                        (e, t),
                        qu(e, t, Uu, Wu),
                        e
                    }
                    function Uu(e, t, i) {
                        if (t.classes && i.addClass(en(t.classes), e), t.attributes)
                            for (const n in t.attributes)
                                i.setAttribute(n, t.attributes[n], e)
                    }
                    function Wu(e, t, i) {
                        if (t.classes && i.removeClass(en(t.classes), e), t.attributes)
                            for (const n in t.attributes)
                                i.removeAttribute(n, e)
                    }
                    function qu(e, t, i, n) {
                        const o = new zu;
                        o.on("change:top", (t, o) => {
                            o.oldDescriptor && n(e, o.oldDescriptor, o.writer),
                            o.newDescriptor && i(e, o.newDescriptor, o.writer)
                        }),
                        t.setCustomProperty("addHighlight", (e, t, i) => o.add(t, i), e),
                        t.setCustomProperty("removeHighlight", (e, t, i) => o.remove(t, i), e)
                    }
                    function $u(e) {
                        const t = e.getCustomProperty("widgetLabel");
                        return t ? "function" == typeof t ? t() : t : ""
                    }
                    function Yu(e, t) {
                        return t.addClass(["ck-editor__editable", "ck-editor__nested-editable"], e),
                        t.setAttribute("contenteditable", e.isReadOnly ? "false" : "true", e),
                        e.on("change:isReadOnly", (i, n, o) => {
                            t.setAttribute("contenteditable", o ? "false" : "true", e)
                        }),
                        e.on("change:isFocused", (i, n, o) => {
                            o ? t.addClass("ck-editor__nested-editable_focused", e) : t.removeClass("ck-editor__nested-editable_focused", e)
                        }),
                        e
                    }
                    function Gu(e, t) {
                        const i = e.getSelectedElement();
                        if (i) {
                            const n = Xu(e);
                            if (n)
                                return t.createPositionAt(i, n);
                            if (t.schema.isBlock(i))
                                return t.createPositionAfter(i)
                        }
                        const n = e.getSelectedBlocks().next().value;
                        if (n) {
                            if (n.isEmpty)
                                return t.createPositionAt(n, 0);
                            const i = t.createPositionAfter(n);
                            return e.focus.isTouching(i) ? i : t.createPositionBefore(n)
                        }
                        return e.focus
                    }
                    function Ku(e, t) {
                        const i = e.getSelectedElement();
                        return !!i && t.isObject(i)
                    }
                    function Qu(e, t) {
                        const i = new Ts(_r.window),
                        n = i.getIntersection(e),
                        o = t.height + qd.arrowVerticalOffset;
                        if (e.top - o > i.top || e.bottom + o < i.bottom)
                            return null;
                        const r = n || e,
                        s = r.left + r.width / 2 - t.width / 2;
                        return {
                            top: Math.max(e.top, 0) + qd.arrowVerticalOffset,
                            left: s,
                            name: "arrow_n"
                        }
                    }
                    function Ju() {
                        return null
                    }
                    function Zu(e, t, i) {
                        return e && Fu(e) && !i.isInline(t)
                    }
                    function Xu(e) {
                        return e.getAttribute("widget-type-around")
                    }
                    const eh = [Ro("arrowUp"), Ro("arrowRight"), Ro("arrowDown"), Ro("arrowLeft"), 9, 16, 17, 18, 19, 20, 27, 33, 34, 35, 36, 45, 91, 93, 144, 145, 173, 174, 175, 176, 177, 178, 179, 255];
                    for (let e = 112; e <= 135; e++)
                        eh.push(e);
                    function th(e) {
                        return !(!e.ctrlKey && !e.metaKey) || eh.includes(e.keyCode)
                    }
                    i(62);
                    const ih = ["before", "after"],
                    nh = (new DOMParser).parseFromString('<svg viewBox="0 0 10 8" xmlns="http://www.w3.org/2000/svg"><path d="M9.055.263v3.972h-6.77M1 4.216l2-2.038m-2 2 2 2.038"/></svg>', "image/svg+xml").firstChild;
                    class oh extends Qe {
                        static get pluginName() {
                            return "WidgetTypeAround"
                        }
                        static get requires() {
                            return [Nu, Lu]
                        }
                        constructor(e) {
                            super(e),
                            this._currentFakeCaretModelElement = null
                        }
                        init() {
                            const e = this.editor,
                            t = e.editing.view;
                            this.on("change:isEnabled", (i, n, o) => {
                                t.change(e => {
                                    for (const i of t.document.roots)
                                        o ? e.removeClass("ck-widget__type-around_disabled", i) : e.addClass("ck-widget__type-around_disabled", i)
                                }),
                                o || e.model.change(e => {
                                    e.removeSelectionAttribute("widget-type-around")
                                })
                            }),
                            this._enableTypeAroundUIInjection(),
                            this._enableInsertingParagraphsOnButtonClick(),
                            this._enableInsertingParagraphsOnEnterKeypress(),
                            this._enableInsertingParagraphsOnTypingKeystroke(),
                            this._enableTypeAroundFakeCaretActivationUsingKeyboardArrows(),
                            this._enableDeleteIntegration(),
                            this._enableInsertContentIntegration()
                        }
                        destroy() {
                            this._currentFakeCaretModelElement = null
                        }
                        _insertParagraph(e, t) {
                            const i = this.editor,
                            n = i.editing.view;
                            i.execute("insertParagraph", {
                                position: i.model.createPositionAt(e, t)
                            }),
                            n.focus(),
                            n.scrollToTheSelection()
                        }
                        _listenToIfEnabled(e, t, i, n) {
                            this.listenTo(e, t, (...e) => {
                                this.isEnabled && i(...e)
                            }, n)
                        }
                        _insertParagraphAccordingToFakeCaretPosition() {
                            const e = this.editor.model.document.selection,
                            t = Xu(e);
                            if (!t)
                                return !1;
                            const i = e.getSelectedElement();
                            return this._insertParagraph(i, t),
                            !0
                        }
                        _enableTypeAroundUIInjection() {
                            const e = this.editor,
                            t = e.model.schema,
                            i = e.locale.t,
                            n = {
                                before: i("Insert paragraph before block"),
                                after: i("Insert paragraph after block")
                            };
                            e.editing.downcastDispatcher.on("insert", (e, i, o) => {
                                const r = o.mapper.toViewElement(i.item);
                                Zu(r, i.item, t) && function (e, t, i) {
                                    const n = e.createUIElement("div", {
                                        class: "ck ck-reset_all ck-widget__type-around"
                                    }, (function (e) {
                                                const i = this.toDomElement(e);
                                                return function (e, t) {
                                                    for (const i of ih) {
                                                        const n = new Bl({
                                                            tag: "div",
                                                            attributes: {
                                                                class: ["ck", "ck-widget__type-around__button", "ck-widget__type-around__button_" + i],
                                                                title: t[i]
                                                            },
                                                            children: [e.ownerDocument.importNode(nh, !0)]
                                                        });
                                                        e.appendChild(n.render())
                                                    }
                                                }
                                                (i, t),
                                                function (e) {
                                                    const t = new Bl({
                                                        tag: "div",
                                                        attributes: {
                                                            class: ["ck", "ck-widget__type-around__fake-caret"]
                                                        }
                                                    });
                                                    e.appendChild(t.render())
                                                }
                                                (i),
                                                i
                                            }));
                                    e.insert(e.createPositionAt(i, "end"), n)
                                }
                                (o.writer, n, r)
                            }, {
                                priority: "low"
                            })
                        }
                        _enableTypeAroundFakeCaretActivationUsingKeyboardArrows() {
                            const e = this.editor,
                            t = e.model,
                            i = t.document.selection,
                            n = t.schema,
                            o = e.editing.view;
                            function r(e) {
                                return "ck-widget_type-around_show-fake-caret_" + e
                            }
                            this._listenToIfEnabled(o.document, "arrowKey", (e, t) => {
                                this._handleArrowKeyPress(e, t)
                            }, {
                                context: [Fu, "$text"],
                                priority: "high"
                            }),
                            this._listenToIfEnabled(i, "change:range", (t, i) => {
                                i.directChange && e.model.change(e => {
                                    e.removeSelectionAttribute("widget-type-around")
                                })
                            }),
                            this._listenToIfEnabled(t.document, "change:data", () => {
                                const t = i.getSelectedElement();
                                if (t) {
                                    if (Zu(e.editing.mapper.toViewElement(t), t, n))
                                        return
                                }
                                e.model.change(e => {
                                    e.removeSelectionAttribute("widget-type-around")
                                })
                            }),
                            this._listenToIfEnabled(e.editing.downcastDispatcher, "selection", (e, t, i) => {
                                const o = i.writer;
                                if (this._currentFakeCaretModelElement) {
                                    const e = i.mapper.toViewElement(this._currentFakeCaretModelElement);
                                    e && (o.removeClass(ih.map(r), e), this._currentFakeCaretModelElement = null)
                                }
                                const s = t.selection.getSelectedElement();
                                if (!s)
                                    return;
                                const a = i.mapper.toViewElement(s);
                                if (!Zu(a, s, n))
                                    return;
                                const c = Xu(t.selection);
                                c && (o.addClass(r(c), a), this._currentFakeCaretModelElement = s)
                            }),
                            this._listenToIfEnabled(e.ui.focusTracker, "change:isFocused", (t, i, n) => {
                                n || e.model.change(e => {
                                    e.removeSelectionAttribute("widget-type-around")
                                })
                            })
                        }
                        _handleArrowKeyPress(e, t) {
                            const i = this.editor,
                            n = i.model,
                            o = n.document.selection,
                            r = n.schema,
                            s = i.editing.view,
                            a = zo(t.keyCode, i.locale.contentLanguageDirection),
                            c = s.document.selection.getSelectedElement();
                            let l;
                            Zu(c, i.editing.mapper.toModelElement(c), r) ? l = this._handleArrowKeyPressOnSelectedWidget(a) : o.isCollapsed && (l = this._handleArrowKeyPressWhenSelectionNextToAWidget(a)),
                            l && (t.preventDefault(), e.stop())
                        }
                        _handleArrowKeyPressOnSelectedWidget(e) {
                            const t = this.editor.model,
                            i = Xu(t.document.selection);
                            return t.change(t => {
                                if (!i)
                                    return t.setSelectionAttribute("widget-type-around", e ? "after" : "before"), !0;
                                if (!(i === (e ? "after" : "before")))
                                    return t.removeSelectionAttribute("widget-type-around"), !0;
                                return !1
                            })
                        }
                        _handleArrowKeyPressWhenSelectionNextToAWidget(e) {
                            const t = this.editor,
                            i = t.model,
                            n = i.schema,
                            o = t.plugins.get("Widget"),
                            r = o._getObjectElementNextToSelection(e);
                            return !!Zu(t.editing.mapper.toViewElement(r), r, n) && (i.change(t => {
                                    o._setSelectionOverElement(r),
                                    t.setSelectionAttribute("widget-type-around", e ? "before" : "after")
                                }), !0)
                        }
                        _enableInsertingParagraphsOnButtonClick() {
                            const e = this.editor,
                            t = e.editing.view;
                            this._listenToIfEnabled(t.document, "mousedown", (i, n) => {
                                const o = n.domTarget.closest(".ck-widget__type-around__button");
                                if (!o)
                                    return;
                                const r = function (e) {
                                    return e.classList.contains("ck-widget__type-around__button_before") ? "before" : "after"
                                }
                                (o),
                                s = function (e, t) {
                                    const i = e.closest(".ck-widget");
                                    return t.mapDomToView(i)
                                }
                                (o, t.domConverter),
                                a = e.editing.mapper.toModelElement(s);
                                this._insertParagraph(a, r),
                                n.preventDefault(),
                                i.stop()
                            })
                        }
                        _enableInsertingParagraphsOnEnterKeypress() {
                            const e = this.editor,
                            t = e.model.document.selection,
                            i = e.editing.view;
                            this._listenToIfEnabled(i.document, "enter", (i, n) => {
                                if ("atTarget" != i.eventPhase)
                                    return;
                                const o = t.getSelectedElement(),
                                r = e.editing.mapper.toViewElement(o),
                                s = e.model.schema;
                                let a;
                                this._insertParagraphAccordingToFakeCaretPosition() ? a = !0 : Zu(r, o, s) && (this._insertParagraph(o, n.isSoft ? "before" : "after"), a = !0),
                                a && (n.preventDefault(), i.stop())
                            }, {
                                context: Fu
                            })
                        }
                        _enableInsertingParagraphsOnTypingKeystroke() {
                            const e = this.editor.editing.view,
                            t = [Io.enter, Io.delete, Io.backspace];
                            this._listenToIfEnabled(e.document, "keydown", (e, i) => {
                                t.includes(i.keyCode) || th(i) || this._insertParagraphAccordingToFakeCaretPosition()
                            }, {
                                priority: "high"
                            })
                        }
                        _enableDeleteIntegration() {
                            const e = this.editor,
                            t = e.editing.view,
                            i = e.model,
                            n = i.schema;
                            this._listenToIfEnabled(t.document, "delete", (t, o) => {
                                if ("atTarget" != t.eventPhase)
                                    return;
                                const r = Xu(i.document.selection);
                                if (!r)
                                    return;
                                const s = o.direction,
                                a = i.document.selection.getSelectedElement(),
                                c = "forward" == s;
                                if ("before" === r === c)
                                    e.execute("delete", {
                                        selection: i.createSelection(a, "on")
                                    });
                                else {
                                    const t = n.getNearestSelectionRange(i.createPositionAt(a, r), s);
                                    if (t)
                                        if (t.isCollapsed) {
                                            const o = i.createSelection(t.start);
                                            if (i.modifySelection(o, {
                                                    direction: s
                                                }), o.focus.isEqual(t.start)) {
                                                const e = function (e, t) {
                                                    let i = t;
                                                    for (const n of t.getAncestors({
                                                            parentFirst: !0
                                                        })) {
                                                        if (n.childCount > 1 || e.isLimit(n))
                                                            break;
                                                        i = n
                                                    }
                                                    return i
                                                }
                                                (n, t.start.parent);
                                                i.deleteContent(i.createSelection(e, "on"), {
                                                    doNotAutoparagraph: !0
                                                })
                                            } else
                                                i.change(i => {
                                                    i.setSelection(t),
                                                    e.execute(c ? "deleteForward" : "delete")
                                                })
                                        } else
                                            i.change(i => {
                                                i.setSelection(t),
                                                e.execute(c ? "deleteForward" : "delete")
                                            })
                                }
                                o.preventDefault(),
                                t.stop()
                            }, {
                                context: Fu
                            })
                        }
                        _enableInsertContentIntegration() {
                            const e = this.editor,
                            t = this.editor.model,
                            i = t.document.selection;
                            this._listenToIfEnabled(e.model, "insertContent", (e, [n, o]) => {
                                if (o && !o.is("documentSelection"))
                                    return;
                                const r = Xu(i);
                                return r ? (e.stop(), t.change(e => {
                                        const o = i.getSelectedElement(),
                                        s = t.createPositionAt(o, r),
                                        a = e.createSelection(s),
                                        c = t.insertContent(n, a);
                                        return e.setSelection(a),
                                        c
                                    })) : void 0
                            }, {
                                priority: "high"
                            })
                        }
                    }
                    i(64);
                    function rh(e) {
                        const t = e.model;
                        return (i, n) => {
                            const o = n.keyCode == Io.arrowup,
                            r = n.keyCode == Io.arrowdown,
                            s = n.shiftKey,
                            a = t.document.selection;
                            if (!o && !r)
                                return;
                            const c = r;
                            if (s && function (e, t) {
                                return !e.isCollapsed && e.isBackward == t
                            }
                                (a, c))
                                return;
                            const l = function (e, t, i) {
                                const n = e.model;
                                if (i) {
                                    const e = t.isCollapsed ? t.focus : t.getLastPosition(),
                                    i = sh(n, e, "forward");
                                    if (!i)
                                        return null;
                                    const o = n.createRange(e, i),
                                    r = ah(n.schema, o, "backward");
                                    return r && e.isBefore(r) ? n.createRange(e, r) : null
                                } {
                                    const e = t.isCollapsed ? t.focus : t.getFirstPosition(),
                                    i = sh(n, e, "backward");
                                    if (!i)
                                        return null;
                                    const o = n.createRange(i, e),
                                    r = ah(n.schema, o, "forward");
                                    return r && e.isAfter(r) ? n.createRange(r, e) : null
                                }
                            }
                            (e, a, c);
                            l && !l.isCollapsed && function (e, t, i) {
                                const n = e.model,
                                o = e.view.domConverter;
                                if (i) {
                                    const e = n.createSelection(t.start);
                                    n.modifySelection(e),
                                    e.focus.isAtEnd || t.start.isEqual(e.focus) || (t = n.createRange(e.focus, t.end))
                                }
                                const r = e.mapper.toViewRange(t),
                                s = o.viewRangeToDom(r),
                                a = Ts.getDomRangeRects(s);
                                let c;
                                for (const e of a)
                                    if (void 0 !== c) {
                                        if (Math.round(e.top) >= c)
                                            return !1;
                                        c = Math.max(c, Math.round(e.bottom))
                                    } else
                                        c = Math.round(e.bottom);
                                return !0
                            }
                            (e, l, c) && (t.change(e => {
                                    const i = c ? l.end : l.start;
                                    if (s) {
                                        const n = t.createSelection(a.anchor);
                                        n.setFocus(i),
                                        e.setSelection(n)
                                    } else
                                        e.setSelection(i)
                                }), i.stop(), n.preventDefault(), n.stopPropagation())
                        }
                    }
                    function sh(e, t, i) {
                        const n = e.schema,
                        o = e.createRangeIn(t.root),
                        r = "forward" == i ? "elementStart" : "elementEnd";
                        for (const {
                            previousPosition: e,
                            item: s,
                            type: a
                        }
                            of o.getWalker({
                                startPosition: t,
                                direction: i
                            })) {
                            if (n.isLimit(s) && !n.isInline(s))
                                return e;
                            if (a == r && n.isBlock(s))
                                return null
                        }
                        return null
                    }
                    function ah(e, t, i) {
                        const n = "backward" == i ? t.end : t.start;
                        if (e.checkChild(n, "$text"))
                            return n;
                        for (const {
                            nextPosition: n
                        }
                            of t.getWalker({
                                direction: i
                            }))
                            if (e.checkChild(n, "$text"))
                                return n
                    }
                    class ch extends Qe {
                        static get pluginName() {
                            return "Widget"
                        }
                        static get requires() {
                            return [oh, Lu]
                        }
                        init() {
                            const e = this.editor.editing.view,
                            t = e.document;
                            this._previouslySelected = new Set,
                            this.editor.editing.downcastDispatcher.on("selection", (e, t, i) => {
                                this._clearPreviouslySelectedWidgets(i.writer);
                                const n = i.writer,
                                o = n.document.selection,
                                r = o.getSelectedElement();
                                let s = null;
                                for (const e of o.getRanges())
                                    for (const t of e) {
                                        const e = t.item;
                                        Fu(e) && !lh(e, s) && (n.addClass("ck-widget_selected", e), this._previouslySelected.add(e), s = e, e == r && n.setSelection(o.getRanges(), {
                                                fake: !0,
                                                label: $u(r)
                                            }))
                                    }
                            }, {
                                priority: "low"
                            }),
                            e.addObserver(ku),
                            this.listenTo(t, "mousedown", (...e) => this._onMousedown(...e)),
                            this.listenTo(t, "arrowKey", (...e) => {
                                this._handleSelectionChangeOnArrowKeyPress(...e)
                            }, {
                                context: [Fu, "$text"]
                            }),
                            this.listenTo(t, "arrowKey", (...e) => {
                                this._preventDefaultOnArrowKeyPress(...e)
                            }, {
                                context: "$root"
                            }),
                            this.listenTo(t, "arrowKey", rh(this.editor.editing), {
                                context: "$text"
                            }),
                            this.listenTo(t, "delete", (e, t) => {
                                this._handleDelete("forward" == t.direction) && (t.preventDefault(), e.stop())
                            }, {
                                context: "$root"
                            })
                        }
                        _onMousedown(e, t) {
                            const i = this.editor,
                            n = i.editing.view,
                            o = n.document;
                            let r = t.target;
                            if (function (e) {
                                for (; e; ) {
                                    if (e.is("editableElement") && !e.is("rootElement"))
                                        return !0;
                                    if (Fu(e))
                                        return !1;
                                    e = e.parent
                                }
                                return !1
                            }
                                (r)) {
                                if ((Po.isSafari || Po.isGecko) && t.domEvent.detail >= 3) {
                                    const e = i.editing.mapper,
                                    n = r.is("attributeElement") ? r.findAncestor(e => !e.is("attributeElement")) : r,
                                    o = e.toModelElement(n);
                                    t.preventDefault(),
                                    this.editor.model.change(e => {
                                        e.setSelection(o, "in")
                                    })
                                }
                                return
                            }
                            if (!Fu(r) && (r = r.findAncestor(Fu), !r))
                                return;
                            Po.isAndroid && t.preventDefault(),
                            o.isFocused || n.focus();
                            const s = i.editing.mapper.toModelElement(r);
                            this._setSelectionOverElement(s)
                        }
                        _handleSelectionChangeOnArrowKeyPress(e, t) {
                            const i = t.keyCode,
                            n = this.editor.model,
                            o = n.schema,
                            r = n.document.selection,
                            s = r.getSelectedElement(),
                            a = zo(i, this.editor.locale.contentLanguageDirection);
                            if (s && o.isObject(s)) {
                                const i = a ? r.getLastPosition() : r.getFirstPosition(),
                                s = o.getNearestSelectionRange(i, a ? "forward" : "backward");
                                return void(s && (n.change(e => {
                                            e.setSelection(s)
                                        }), t.preventDefault(), e.stop()))
                            }
                            if (!r.isCollapsed)
                                return;
                            const c = this._getObjectElementNextToSelection(a);
                            c && o.isObject(c) && (this._setSelectionOverElement(c), t.preventDefault(), e.stop())
                        }
                        _preventDefaultOnArrowKeyPress(e, t) {
                            const i = this.editor.model,
                            n = i.schema,
                            o = i.document.selection.getSelectedElement();
                            o && n.isObject(o) && (t.preventDefault(), e.stop())
                        }
                        _handleDelete(e) {
                            if (this.editor.isReadOnly)
                                return;
                            const t = this.editor.model.document.selection;
                            if (!t.isCollapsed)
                                return;
                            const i = this._getObjectElementNextToSelection(e);
                            return i ? (this.editor.model.change(e => {
                                    let n = t.anchor.parent;
                                    for (; n.isEmpty; ) {
                                        const t = n;
                                        n = t.parent,
                                        e.remove(t)
                                    }
                                    this._setSelectionOverElement(i)
                                }), !0) : void 0
                        }
                        _setSelectionOverElement(e) {
                            this.editor.model.change(t => {
                                t.setSelection(t.createRangeOn(e))
                            })
                        }
                        _getObjectElementNextToSelection(e) {
                            const t = this.editor.model,
                            i = t.schema,
                            n = t.document.selection,
                            o = t.createSelection(n);
                            t.modifySelection(o, {
                                direction: e ? "forward" : "backward"
                            });
                            const r = e ? o.focus.nodeBefore : o.focus.nodeAfter;
                            return r && i.isObject(r) ? r : null
                        }
                        _clearPreviouslySelectedWidgets(e) {
                            for (const t of this._previouslySelected)
                                e.removeClass("ck-widget_selected", t);
                            this._previouslySelected.clear()
                        }
                    }
                    function lh(e, t) {
                        return !!t && Array.from(e.getAncestors()).includes(t)
                    }
                    var dh = function (e, t, i) {
                        var n = !0,
                        o = !0;
                        if ("function" != typeof e)
                            throw new TypeError("Expected a function");
                        return w(i) && (n = "leading" in i ? !!i.leading : n, o = "trailing" in i ? !!i.trailing : o),
                        ms(e, t, {
                            leading: n,
                            maxWait: t,
                            trailing: o
                        })
                    };
                    i(66);
                    class uh extends Qe {
                        static get pluginName() {
                            return "DragDrop"
                        }
                        static get requires() {
                            return [Eu, ch]
                        }
                        init() {
                            const e = this.editor,
                            t = e.editing.view;
                            this._draggedRange = null,
                            this._draggingUid = "",
                            this._draggableElement = null,
                            this._updateDropMarkerThrottled = dh(e => this._updateDropMarker(e), 40),
                            this._removeDropMarkerDelayed = gh(() => this._removeDropMarker(), 40),
                            this._clearDraggableAttributesDelayed = gh(() => this._clearDraggableAttributes(), 40),
                            t.addObserver(Cu),
                            t.addObserver(ku),
                            this._setupDragging(),
                            this._setupContentInsertionIntegration(),
                            this._setupClipboardInputIntegration(),
                            this._setupDropMarker(),
                            this._setupDraggableAttributeHandling(),
                            this.listenTo(e, "change:isReadOnly", (e, t, i) => {
                                i ? this.forceDisabled("readOnlyMode") : this.clearForceDisabled("readOnlyMode")
                            }),
                            this.on("change:isEnabled", (e, t, i) => {
                                i || this._finalizeDragging(!1)
                            }),
                            Po.isAndroid && this.forceDisabled("noAndroidSupport")
                        }
                        destroy() {
                            return this._draggedRange && (this._draggedRange.detach(), this._draggedRange = null),
                            this._updateDropMarkerThrottled.cancel(),
                            this._removeDropMarkerDelayed.cancel(),
                            this._clearDraggableAttributesDelayed.cancel(),
                            super.destroy()
                        }
                        _setupDragging() {
                            const e = this.editor,
                            t = e.model,
                            i = t.document,
                            n = e.editing.view,
                            o = n.document;
                            this.listenTo(o, "dragstart", (n, r) => {
                                const a = i.selection;
                                if (r.target && r.target.is("editableElement"))
                                    return void r.preventDefault();
                                const c = r.target ? mh(r.target) : null;
                                if (c) {
                                    const i = e.editing.mapper.toModelElement(c);
                                    this._draggedRange = ba.fromRange(t.createRangeOn(i))
                                } else if (!o.selection.isCollapsed) {
                                    const e = o.selection.getSelectedElement();
                                    e && Fu(e) || (this._draggedRange = ba.fromRange(a.getFirstRange()))
                                }
                                if (!this._draggedRange)
                                    return void r.preventDefault();
                                this._draggingUid = s(),
                                r.dataTransfer.effectAllowed = this.isEnabled ? "copyMove" : "copy",
                                r.dataTransfer.setData("application/ckeditor5-dragging-uid", this._draggingUid);
                                const l = t.createSelection(this._draggedRange.toRange()),
                                d = e.data.toView(t.getSelectedContent(l));
                                o.fire("clipboardOutput", {
                                    dataTransfer: r.dataTransfer,
                                    content: d,
                                    method: n.name
                                }),
                                this.isEnabled || (this._draggedRange.detach(), this._draggedRange = null, this._draggingUid = "")
                            }, {
                                priority: "low"
                            }),
                            this.listenTo(o, "dragend", (e, t) => {
                                this._finalizeDragging(!t.dataTransfer.isCanceled && "move" == t.dataTransfer.dropEffect)
                            }, {
                                priority: "low"
                            }),
                            this.listenTo(o, "dragenter", () => {
                                this.isEnabled && n.focus()
                            }),
                            this.listenTo(o, "dragleave", () => {
                                this._removeDropMarkerDelayed()
                            }),
                            this.listenTo(o, "dragging", (t, i) => {
                                if (!this.isEnabled)
                                    return void(i.dataTransfer.dropEffect = "none");
                                this._removeDropMarkerDelayed.cancel();
                                const n = hh(e, i.targetRanges, i.target);
                                this._draggedRange || (i.dataTransfer.dropEffect = "copy"),
                                Po.isGecko || ("copy" == i.dataTransfer.effectAllowed ? i.dataTransfer.dropEffect = "copy" : ["all", "copyMove"].includes(i.dataTransfer.effectAllowed) && (i.dataTransfer.dropEffect = "move")),
                                n && this._updateDropMarkerThrottled(n)
                            }, {
                                priority: "low"
                            })
                        }
                        _setupClipboardInputIntegration() {
                            const e = this.editor,
                            t = e.editing.view.document;
                            this.listenTo(t, "clipboardInput", (t, i) => {
                                if ("drop" != i.method)
                                    return;
                                const n = hh(e, i.targetRanges, i.target);
                                if (this._removeDropMarker(), !n)
                                    return this._finalizeDragging(!1), void t.stop();
                                this._draggedRange && this._draggingUid != i.dataTransfer.getData("application/ckeditor5-dragging-uid") && (this._draggedRange.detach(), this._draggedRange = null, this._draggingUid = "");
                                if ("move" == fh(i.dataTransfer) && this._draggedRange && this._draggedRange.containsRange(n, !0))
                                    return this._finalizeDragging(!1), void t.stop();
                                i.targetRanges = [e.editing.mapper.toViewRange(n)]
                            }, {
                                priority: "high"
                            })
                        }
                        _setupContentInsertionIntegration() {
                            const e = this.editor.plugins.get(Eu);
                            e.on("contentInsertion", (e, t) => {
                                if (!this.isEnabled || "drop" !== t.method)
                                    return;
                                const i = t.targetRanges.map(e => this.editor.editing.mapper.toModelRange(e));
                                this.editor.model.change(e => e.setSelection(i))
                            }, {
                                priority: "high"
                            }),
                            e.on("contentInsertion", (e, t) => {
                                if (!this.isEnabled || "drop" !== t.method)
                                    return;
                                const i = "move" == fh(t.dataTransfer),
                                n = !t.resultRange || !t.resultRange.isCollapsed;
                                this._finalizeDragging(n && i)
                            }, {
                                priority: "lowest"
                            })
                        }
                        _setupDraggableAttributeHandling() {
                            const e = this.editor,
                            t = e.editing.view,
                            i = t.document;
                            this.listenTo(i, "mousedown", (n, o) => {
                                if (Po.isAndroid || !o)
                                    return;
                                this._clearDraggableAttributesDelayed.cancel();
                                let r = mh(o.target);
                                if (Po.isBlink && !e.isReadOnly && !r && !i.selection.isCollapsed) {
                                    const e = i.selection.getSelectedElement();
                                    e && Fu(e) || (r = i.selection.editableElement)
                                }
                                r && (t.change(e => {
                                        e.setAttribute("draggable", "true", r)
                                    }), this._draggableElement = e.editing.mapper.toModelElement(r))
                            }),
                            this.listenTo(i, "mouseup", () => {
                                Po.isAndroid || this._clearDraggableAttributesDelayed()
                            })
                        }
                        _clearDraggableAttributes() {
                            const e = this.editor.editing;
                            e.view.change(t => {
                                this._draggableElement && "$graveyard" != this._draggableElement.root.rootName && t.removeAttribute("draggable", e.mapper.toViewElement(this._draggableElement)),
                                this._draggableElement = null
                            })
                        }
                        _setupDropMarker() {
                            const e = this.editor;
                            e.conversion.for("editingDowncast").markerToHighlight({
                                model: "drop-target",
                                view: {
                                    classes: ["ck-clipboard-drop-target-range"]
                                }
                            }),
                            e.conversion.for("editingDowncast").markerToElement({
                                model: "drop-target",
                                view: (t, {
                                    writer: i
                                }) => {
                                    if (e.model.schema.checkChild(t.markerRange.start, "$text"))
                                        return i.createUIElement("span", {
                                            class: "ck ck-clipboard-drop-target-position"
                                        }, (function (e) {
                                                const t = this.toDomElement(e);
                                                return t.innerHTML = "&NoBreak;<span></span>&NoBreak;",
                                                t
                                            }))
                                }
                            })
                        }
                        _updateDropMarker(e) {
                            const t = this.editor,
                            i = t.model.markers;
                            t.model.change(t => {
                                i.has("drop-target") ? i.get("drop-target").getRange().isEqual(e) || t.updateMarker("drop-target", {
                                    range: e
                                }) : t.addMarker("drop-target", {
                                    range: e,
                                    usingOperation: !1,
                                    affectsData: !1
                                })
                            })
                        }
                        _removeDropMarker() {
                            const e = this.editor.model;
                            this._removeDropMarkerDelayed.cancel(),
                            this._updateDropMarkerThrottled.cancel(),
                            e.markers.has("drop-target") && e.change(e => {
                                e.removeMarker("drop-target")
                            })
                        }
                        _finalizeDragging(e) {
                            const t = this.editor.model;
                            this._removeDropMarker(),
                            this._clearDraggableAttributes(),
                            this._draggingUid = "",
                            this._draggedRange && (e && this.isEnabled && t.deleteContent(t.createSelection(this._draggedRange), {
                                    doNotAutoparagraph: !0
                                }), this._draggedRange.detach(), this._draggedRange = null)
                        }
                    }
                    function hh(e, t, i) {
                        const n = e.model,
                        o = e.editing.mapper;
                        let r = null;
                        const s = t ? t[0].start : null;
                        if (i.is("uiElement") && (i = i.parent), r = function (e, t) {
                            const i = e.model,
                            n = e.editing.mapper;
                            if (Fu(t))
                                return i.createRangeOn(n.toModelElement(t));
                                if (!t.is("editableElement")) {
                                    const e = t.findAncestor(e => Fu(e) || e.is("editableElement"));
                                    if (Fu(e))
                                        return i.createRangeOn(n.toModelElement(e))
                                }
                                return null
                            }
                                (e, i), r)return r;
                        const a = function (e, t) {
                            const i = e.editing.mapper,
                            n = e.editing.view,
                            o = i.toModelElement(t);
                            if (o)
                                return o;
                            const r = n.createPositionBefore(t),
                            s = i.findMappedViewAncestor(r);
                            return i.toModelElement(s)
                        }
                        (e, i),
                        c = s ? o.toModelPosition(s) : null;
                        return c ? (r = function (e, t, i) {
                            const n = e.model;
                            if (!n.schema.checkChild(i, "$block"))
                                return null;
                            const o = n.createPositionAt(i, 0),
                            r = t.path.slice(0, o.path.length),
                            s = n.createPositionFromPath(t.root, r).nodeAfter;
                            if (s && n.schema.isObject(s))
                                return n.createRangeOn(s);
                            return null
                        }
                            (e, c, a), r || (r = n.schema.getNearestSelectionRange(c, Po.isGecko ? "forward" : "backward"), r || function (e, t) {
                                const i = e.model;
                                for (; t; ) {
                                    if (i.schema.isObject(t))
                                        return i.createRangeOn(t);
                                    t = t.parent
                                }
                            }
                                (e, c.parent))) : function (e, t) {
                            const i = e.model,
                            n = i.schema,
                            o = i.createPositionAt(t, 0);
                            return n.getNearestSelectionRange(o, "forward")
                        }
                        (e, a)
                    }
                    function fh(e) {
                        return Po.isGecko ? e.dropEffect : ["all", "copyMove"].includes(e.effectAllowed) ? "move" : "copy"
                    }
                    function gh(e, t) {
                        let i;
                        function n(...o) {
                            n.cancel(),
                            i = setTimeout(() => e(...o), t)
                        }
                        return n.cancel = () => {
                            clearTimeout(i)
                        },
                        n
                    }
                    function mh(e) {
                        if (e.is("editableElement"))
                            return null;
                        if (e.hasClass("ck-widget__selection-handle"))
                            return e.findAncestor(Fu);
                        if (Fu(e))
                            return e;
                        const t = e.findAncestor(e => Fu(e) || e.is("editableElement"));
                        return Fu(t) ? t : null
                    }
                    class ph extends Qe {
                        static get pluginName() {
                            return "PastePlainText"
                        }
                        static get requires() {
                            return [Eu]
                        }
                        init() {
                            const e = this.editor,
                            t = e.model,
                            i = e.editing.view,
                            n = i.document,
                            o = t.document.selection;
                            let r = !1;
                            i.addObserver(Cu),
                            this.listenTo(n, "keydown", (e, t) => {
                                r = t.shiftKey
                            }),
                            e.plugins.get(Eu).on("contentInsertion", (e, i) => {
                                (r || function (e, t) {
                                    if (e.childCount > 1)
                                        return !1;
                                    const i = e.getChild(0);
                                    if (t.isObject(i))
                                        return !1;
                                    return 0 == [...i.getAttributeKeys()].length
                                }
                                    (i.content, t.schema)) && t.change(e => {
                                    const n = Array.from(o.getAttributes()).filter(([e]) => t.schema.getAttributeProperties(e).isFormatting);
                                    o.isCollapsed || t.deleteContent(o, {
                                        doNotAutoparagraph: !0
                                    }),
                                    n.push(...o.getAttributes());
                                    const r = e.createRangeIn(i.content);
                                    for (const t of r.getItems())
                                        t.is("$textProxy") && e.setAttributes(n, t)
                                })
                            })
                        }
                    }
                    class bh extends Qe {
                        static get pluginName() {
                            return "Clipboard"
                        }
                        static get requires() {
                            return [Eu, uh, ph]
                        }
                    }
                    class wh extends Ze {
                        execute() {
                            const e = this.editor.model,
                            t = e.document;
                            e.change(i => {
                                !function (e, t, i) {
                                    const n = i.isCollapsed,
                                    o = i.getFirstRange(),
                                    r = o.start.parent,
                                    s = o.end.parent,
                                    a = r == s;
                                    if (n) {
                                        const n = Pu(e.schema, i.getAttributes());
                                        kh(e, t, o.end),
                                        t.removeSelectionAttribute(i.getAttributeKeys()),
                                        t.setSelectionAttribute(n)
                                    } else {
                                        const n = !(o.start.isAtStart && o.end.isAtEnd);
                                        e.deleteContent(i, {
                                            leaveUnmerged: n
                                        }),
                                        a ? kh(e, t, i.focus) : n && t.setSelection(s, 0)
                                    }
                                }
                                (e, i, t.selection),
                                this.fire("afterExecute", {
                                    writer: i
                                })
                            })
                        }
                        refresh() {
                            const e = this.editor.model,
                            t = e.document;
                            this.isEnabled = function (e, t) {
                                if (t.rangeCount > 1)
                                    return !1;
                                const i = t.anchor;
                                if (!i || !e.checkChild(i, "softBreak"))
                                    return !1;
                                const n = t.getFirstRange(),
                                o = n.start.parent,
                                r = n.end.parent;
                                if ((_h(o, e) || _h(r, e)) && o !== r)
                                    return !1;
                                return !0
                            }
                            (e.schema, t.selection)
                        }
                    }
                    function kh(e, t, i) {
                        const n = t.createElement("softBreak");
                        e.insertContent(n, i),
                        t.setSelection(n, "after")
                    }
                    function _h(e, t) {
                        return !e.is("rootElement") && (t.isLimit(e) || _h(e.parent, t))
                    }
                    class vh extends Qe {
                        static get pluginName() {
                            return "ShiftEnter"
                        }
                        init() {
                            const e = this.editor,
                            t = e.model.schema,
                            i = e.conversion,
                            n = e.editing.view,
                            o = n.document;
                            t.register("softBreak", {
                                allowWhere: "$text",
                                isInline: !0
                            }),
                            i.for("upcast").elementToElement({
                                model: "softBreak",
                                view: "br"
                            }),
                            i.for("downcast").elementToElement({
                                model: "softBreak",
                                view: (e, {
                                    writer: t
                                }) => t.createEmptyElement("br")
                            }),
                            n.addObserver(Iu),
                            e.commands.add("shiftEnter", new wh(e)),
                            this.listenTo(o, "enter", (t, i) => {
                                i.preventDefault(),
                                i.isSoft && (e.execute("shiftEnter"), n.scrollToTheSelection())
                            }, {
                                priority: "low"
                            })
                        }
                    }
                    class yh extends Ze {
                        execute() {
                            const e = this.editor.model,
                            t = e.document.selection;
                            let i = e.schema.getLimitElement(t);
                            if (t.containsEntireContent(i) || !xh(e.schema, i))
                                do {
                                    if (i = i.parent, !i)
                                        return
                                } while (!xh(e.schema, i));
                            e.change(e => {
                                e.setSelection(i, "in")
                            })
                        }
                    }
                    function xh(e, t) {
                        return e.isLimit(t) && (e.checkChild(t, "$text") || e.checkChild(t, "paragraph"))
                    }
                    const Ah = Oo("Ctrl+A");
                    class Ch extends Qe {
                        static get pluginName() {
                            return "SelectAllEditing"
                        }
                        init() {
                            const e = this.editor,
                            t = e.editing.view.document;
                            e.commands.add("selectAll", new yh(e)),
                            this.listenTo(t, "keydown", (t, i) => {
                                Ro(i) === Ah && (e.execute("selectAll"), i.preventDefault())
                            })
                        }
                    }
                    class Th extends Qe {
                        static get pluginName() {
                            return "SelectAllUI"
                        }
                        init() {
                            const e = this.editor;
                            e.ui.componentFactory.add("selectAll", t => {
                                const i = e.commands.get("selectAll"),
                                n = new cd(t),
                                o = t.t;
                                return n.set({
                                    label: o("Select all"),
                                    icon: '<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20"><path d="M.75 15.5a.75.75 0 0 1 .75.75V18l.008.09A.5.5 0 0 0 2 18.5h1.75a.75.75 0 1 1 0 1.5H1.5l-.144-.007a1.5 1.5 0 0 1-1.35-1.349L0 18.5v-2.25a.75.75 0 0 1 .75-.75zm18.5 0a.75.75 0 0 1 .75.75v2.25l-.007.144a1.5 1.5 0 0 1-1.349 1.35L18.5 20h-2.25a.75.75 0 1 1 0-1.5H18a.5.5 0 0 0 .492-.41L18.5 18v-1.75a.75.75 0 0 1 .75-.75zm-10.45 3c.11 0 .2.09.2.2v1.1a.2.2 0 0 1-.2.2H7.2a.2.2 0 0 1-.2-.2v-1.1c0-.11.09-.2.2-.2h1.6zm4 0c.11 0 .2.09.2.2v1.1a.2.2 0 0 1-.2.2h-1.6a.2.2 0 0 1-.2-.2v-1.1c0-.11.09-.2.2-.2h1.6zm.45-5.5a.75.75 0 1 1 0 1.5h-8.5a.75.75 0 1 1 0-1.5h8.5zM1.3 11c.11 0 .2.09.2.2v1.6a.2.2 0 0 1-.2.2H.2a.2.2 0 0 1-.2-.2v-1.6c0-.11.09-.2.2-.2h1.1zm18.5 0c.11 0 .2.09.2.2v1.6a.2.2 0 0 1-.2.2h-1.1a.2.2 0 0 1-.2-.2v-1.6c0-.11.09-.2.2-.2h1.1zm-4.55-2a.75.75 0 1 1 0 1.5H4.75a.75.75 0 1 1 0-1.5h10.5zM1.3 7c.11 0 .2.09.2.2v1.6a.2.2 0 0 1-.2.2H.2a.2.2 0 0 1-.2-.2V7.2c0-.11.09-.2.2-.2h1.1zm18.5 0c.11 0 .2.09.2.2v1.6a.2.2 0 0 1-.2.2h-1.1a.2.2 0 0 1-.2-.2V7.2c0-.11.09-.2.2-.2h1.1zm-4.55-2a.75.75 0 1 1 0 1.5h-2.5a.75.75 0 1 1 0-1.5h2.5zm-5 0a.75.75 0 1 1 0 1.5h-5.5a.75.75 0 0 1 0-1.5h5.5zm-6.5-5a.75.75 0 0 1 0 1.5H2a.5.5 0 0 0-.492.41L1.5 2v1.75a.75.75 0 0 1-1.5 0V1.5l.007-.144A1.5 1.5 0 0 1 1.356.006L1.5 0h2.25zM18.5 0l.144.007a1.5 1.5 0 0 1 1.35 1.349L20 1.5v2.25a.75.75 0 1 1-1.5 0V2l-.008-.09A.5.5 0 0 0 18 1.5h-1.75a.75.75 0 1 1 0-1.5h2.25zM8.8 0c.11 0 .2.09.2.2v1.1a.2.2 0 0 1-.2.2H7.2a.2.2 0 0 1-.2-.2V.2c0-.11.09-.2.2-.2h1.6zm4 0c.11 0 .2.09.2.2v1.1a.2.2 0 0 1-.2.2h-1.6a.2.2 0 0 1-.2-.2V.2c0-.11.09-.2.2-.2h1.6z"/></svg>',
                                    keystroke: "Ctrl+A",
                                    tooltip: !0
                                }),
                                n.bind("isOn", "isEnabled").to(i, "value", "isEnabled"),
                                this.listenTo(n, "execute", () => {
                                    e.execute("selectAll"),
                                    e.editing.view.focus()
                                }),
                                n
                            })
                        }
                    }
                    class Eh extends Qe {
                        static get requires() {
                            return [Ch, Th]
                        }
                        static get pluginName() {
                            return "SelectAll"
                        }
                    }
                    class Ph extends Ze {
                        constructor(e, t) {
                            super(e),
                            this._buffer = new Ru(e.model, t),
                            this._batches = new WeakSet
                        }
                        get buffer() {
                            return this._buffer
                        }
                        destroy() {
                            super.destroy(),
                            this._buffer.destroy()
                        }
                        execute(e = {}) {
                            const t = this.editor.model,
                            i = t.document,
                            n = e.text || "",
                            o = n.length,
                            r = e.range ? t.createSelection(e.range) : i.selection,
                            s = e.resultRange;
                            t.enqueueChange(this._buffer.batch, e => {
                                this._buffer.lock(),
                                this._batches.add(this._buffer.batch),
                                t.deleteContent(r),
                                n && t.insertContent(e.createText(n, i.selection.getAttributes()), r),
                                s ? e.setSelection(s) : r.is("documentSelection") || e.setSelection(r),
                                this._buffer.unlock(),
                                this._buffer.input(o)
                            })
                        }
                    }
                    function Sh(e) {
                        if (e.newChildren.length - e.oldChildren.length != 1)
                            return;
                        const t = function (e, t) {
                            const i = [];
                            let n,
                            o = 0;
                            return e.forEach(e => {
                                "equal" == e ? (r(), o++) : "insert" == e ? (s("insert") ? n.values.push(t[o]) : (r(), n = {
                                            type: "insert",
                                            index: o,
                                            values: [t[o]]
                                        }), o++) : s("delete") ? n.howMany++ : (r(), n = {
                                        type: "delete",
                                        index: o,
                                        howMany: 1
                                    })
                            }),
                            r(),
                            i;
                            function r() {
                                n && (i.push(n), n = null)
                            }
                            function s(e) {
                                return n && n.type == e
                            }
                        }
                        (hr(e.oldChildren, e.newChildren, Mh), e.newChildren);
                        if (t.length > 1)
                            return;
                        const i = t[0];
                        return i.values[0] && i.values[0].is("$text") ? i : void 0
                    }
                    function Mh(e, t) {
                        return e && e.is("$text") && t && t.is("$text") ? e.data === t.data : e === t
                    }
                    class Ih {
                        constructor(e) {
                            this.editor = e,
                            this.editing = this.editor.editing
                        }
                        handle(e, t) {
                            if (function (e) {
                                if (0 == e.length)
                                    return !1;
                                for (const t of e)
                                    if ("children" === t.type && !Sh(t))
                                        return !0;
                                return !1
                            }
                                (e))
                                this._handleContainerChildrenMutations(e, t);
                            else
                                for (const i of e)
                                    this._handleTextMutation(i, t), this._handleTextNodeInsertion(i)
                        }
                        _handleContainerChildrenMutations(e, t) {
                            const i = function (e) {
                                const t = e.map(e => e.node).reduce((e, t) => e.getCommonAncestor(t, {
                                            includeSelf: !0
                                        }));
                                if (!t)
                                    return;
                                return t.getAncestors({
                                    includeSelf: !0,
                                    parentFirst: !0
                                }).find(e => e.is("containerElement") || e.is("rootElement"))
                            }
                            (e);
                            if (!i)
                                return;
                            const n = this.editor.editing.view.domConverter.mapViewToDom(i),
                            o = new Tr(this.editor.editing.view.document),
                            r = this.editor.data.toModel(o.domToView(n)).getChild(0),
                            s = this.editor.editing.mapper.toModelElement(i);
                            if (!s)
                                return;
                            const a = Array.from(r.getChildren()),
                            c = Array.from(s.getChildren()),
                            l = a[a.length - 1],
                            d = c[c.length - 1],
                            u = l && l.is("element", "softBreak"),
                            h = d && !d.is("element", "softBreak");
                            u && h && a.pop();
                            const f = this.editor.model.schema;
                            if (!Nh(a, f) || !Nh(c, f))
                                return;
                            const g = a.map(e => e.is("$text") ? e.data : "@").join("").replace(/\u00A0/g, " "),
                            m = c.map(e => e.is("$text") ? e.data : "@").join("").replace(/\u00A0/g, " ");
                            if (m === g)
                                return;
                            const p = hr(m, g), {
                                firstChangeAt: b,
                                insertions: w,
                                deletions: k
                            } = Rh(p);
                            let _ = null;
                            t && (_ = this.editing.mapper.toModelRange(t.getFirstRange()));
                            const v = g.substr(b, w),
                            y = this.editor.model.createRange(this.editor.model.createPositionAt(s, b), this.editor.model.createPositionAt(s, b + k));
                            this.editor.execute("input", {
                                text: v,
                                range: y,
                                resultRange: _
                            })
                        }
                        _handleTextMutation(e, t) {
                            if ("text" != e.type)
                                return;
                            const i = e.newText.replace(/\u00A0/g, " "),
                            n = e.oldText.replace(/\u00A0/g, " ");
                            if (n === i)
                                return;
                            const o = hr(n, i), {
                                firstChangeAt: r,
                                insertions: s,
                                deletions: a
                            } = Rh(o);
                            let c = null;
                            t && (c = this.editing.mapper.toModelRange(t.getFirstRange()));
                            const l = this.editing.view.createPositionAt(e.node, r),
                            d = this.editing.mapper.toModelPosition(l),
                            u = this.editor.model.createRange(d, d.getShiftedBy(a)),
                            h = i.substr(r, s);
                            this.editor.execute("input", {
                                text: h,
                                range: u,
                                resultRange: c
                            })
                        }
                        _handleTextNodeInsertion(e) {
                            if ("children" != e.type)
                                return;
                            const t = Sh(e),
                            i = this.editing.view.createPositionAt(e.node, t.index),
                            n = this.editing.mapper.toModelPosition(i),
                            o = t.values[0].data;
                            this.editor.execute("input", {
                                text: o.replace(/\u00A0/g, " "),
                                range: this.editor.model.createRange(n)
                            })
                        }
                    }
                    function Nh(e, t) {
                        return e.every(e => t.isInline(e))
                    }
                    function Rh(e) {
                        let t = null,
                        i = null;
                        for (let n = 0; n < e.length; n++) {
                            "equal" != e[n] && (t = null === t ? n : t, i = n)
                        }
                        let n = 0,
                        o = 0;
                        for (let r = t; r <= i; r++)
                            "insert" != e[r] && n++, "delete" != e[r] && o++;
                        return {
                            insertions: o,
                            deletions: n,
                            firstChangeAt: t
                        }
                    }
                    class Oh extends Qe {
                        static get pluginName() {
                            return "Input"
                        }
                        init() {
                            const e = this.editor,
                            t = new Ph(e, e.config.get("typing.undoStep") || 20);
                            e.commands.add("input", t),
                            function (e) {
                                let t = null;
                                const i = e.model,
                                n = e.editing.view,
                                o = e.commands.get("input");
                                function r(e) {
                                    const r = i.document,
                                    a = n.document.isComposing,
                                    c = t && t.isEqual(r.selection);
                                    t = null,
                                    o.isEnabled && (th(e) || r.selection.isCollapsed || a && 229 === e.keyCode || !a && 229 === e.keyCode && c || s())
                                }
                                function s() {
                                    const e = o.buffer;
                                    e.lock();
                                    const t = e.batch;
                                    o._batches.add(t),
                                    i.enqueueChange(t, () => {
                                        i.deleteContent(i.document.selection)
                                    }),
                                    e.unlock()
                                }
                                Po.isAndroid ? n.document.on("beforeinput", (e, t) => r(t), {
                                    priority: "lowest"
                                }) : n.document.on("keydown", (e, t) => r(t), {
                                    priority: "lowest"
                                }),
                                n.document.on("compositionstart", (function () {
                                        const e = i.document,
                                        t = 1 !== e.selection.rangeCount || e.selection.getFirstRange().isFlat;
                                        if (e.selection.isCollapsed || t)
                                            return;
                                        s()
                                    }), {
                                    priority: "lowest"
                                }),
                                n.document.on("compositionend", () => {
                                    t = i.createSelection(i.document.selection)
                                }, {
                                    priority: "lowest"
                                })
                            }
                            (e),
                            function (e) {
                                e.editing.view.document.on("mutations", (t, i, n) => {
                                    new Ih(e).handle(i, n)
                                })
                            }
                            (e)
                        }
                        isInput(e) {
                            return this.editor.commands.get("input")._batches.has(e)
                        }
                    }
                    class Dh extends Qe {
                        static get requires() {
                            return [Oh, Lu]
                        }
                        static get pluginName() {
                            return "Typing"
                        }
                    }
                    function Lh(e, t) {
                        let i = e.start;
                        return {
                            text: Array.from(e.getItems()).reduce((e, n) => n.is("$text") || n.is("$textProxy") ? e + n.data : (i = t.createPositionAfter(n), ""), ""),
                            range: t.createRange(i, e.end)
                        }
                    }
                    class zh {
                        constructor(e, t) {
                            this.model = e,
                            this.testCallback = t,
                            this.hasMatch = !1,
                            this.set("isEnabled", !0),
                            this.on("change:isEnabled", () => {
                                this.isEnabled ? this._startListening() : (this.stopListening(e.document.selection), this.stopListening(e.document))
                            }),
                            this._startListening()
                        }
                        _startListening() {
                            const e = this.model.document;
                            this.listenTo(e.selection, "change:range", (t, {
                                    directChange: i
                                }) => {
                                i && (e.selection.isCollapsed ? this._evaluateTextBeforeSelection("selection") : this.hasMatch && (this.fire("unmatched"), this.hasMatch = !1))
                            }),
                            this.listenTo(e, "change:data", (e, t) => {
                                "transparent" != t.type && this._evaluateTextBeforeSelection("data", {
                                    batch: t
                                })
                            })
                        }
                        _evaluateTextBeforeSelection(e, t = {}) {
                            const i = this.model,
                            n = i.document.selection,
                            o = i.createRange(i.createPositionAt(n.focus.parent, 0), n.focus), {
                                text: r,
                                range: s
                            } = Lh(o, i),
                            a = this.testCallback(r);
                            if (!a && this.hasMatch && this.fire("unmatched"), this.hasMatch = !!a, a) {
                                const i = Object.assign(t, {
                                    text: r,
                                    range: s
                                });
                                "object" == typeof a && Object.assign(i, a),
                                this.fire("matched:" + e, i)
                            }
                        }
                    }
                    Ke(zh, Ue);
                    class Vh extends Qe {
                        static get pluginName() {
                            return "TwoStepCaretMovement"
                        }
                        constructor(e) {
                            super(e),
                            this.attributes = new Set,
                            this._overrideUid = null
                        }
                        init() {
                            const e = this.editor,
                            t = e.model,
                            i = e.editing.view,
                            n = e.locale,
                            o = t.document.selection;
                            this.listenTo(i.document, "arrowKey", (e, t) => {
                                if (!o.isCollapsed)
                                    return;
                                if (t.shiftKey || t.altKey || t.ctrlKey)
                                    return;
                                const i = t.keyCode == Io.arrowright,
                                r = t.keyCode == Io.arrowleft;
                                if (!i && !r)
                                    return;
                                const s = n.contentLanguageDirection;
                                let a = !1;
                                a = "ltr" === s && i || "rtl" === s && r ? this._handleForwardMovement(t) : this._handleBackwardMovement(t),
                                !0 === a && e.stop()
                            }, {
                                context: "$text",
                                priority: "highest"
                            }),
                            this._isNextGravityRestorationSkipped = !1,
                            this.listenTo(o, "change:range", (e, t) => {
                                this._isNextGravityRestorationSkipped ? this._isNextGravityRestorationSkipped = !1 : this._isGravityOverridden && (!t.directChange && Hh(o.getFirstPosition(), this.attributes) || this._restoreGravity())
                            })
                        }
                        registerAttribute(e) {
                            this.attributes.add(e)
                        }
                        _handleForwardMovement(e) {
                            const t = this.attributes,
                            i = this.editor.model.document.selection,
                            n = i.getFirstPosition();
                            return !this._isGravityOverridden && ((!n.isAtStart || !jh(i, t)) && (Hh(n, t) ? (Fh(e), this._overrideGravity(), !0) : void 0))
                        }
                        _handleBackwardMovement(e) {
                            const t = this.attributes,
                            i = this.editor.model,
                            n = i.document.selection,
                            o = n.getFirstPosition();
                            return this._isGravityOverridden ? (Fh(e), this._restoreGravity(), Bh(i, t, o), !0) : o.isAtStart ? !!jh(n, t) && (Fh(e), Bh(i, t, o), !0) : function (e, t) {
                                return Hh(e.getShiftedBy(-1), t)
                            }
                            (o, t) ? o.isAtEnd && !jh(n, t) && Hh(o, t) ? (Fh(e), Bh(i, t, o), !0) : (this._isNextGravityRestorationSkipped = !0, this._overrideGravity(), !1) : void 0
                        }
                        get _isGravityOverridden() {
                            return !!this._overrideUid
                        }
                        _overrideGravity() {
                            this._overrideUid = this.editor.model.change(e => e.overrideSelectionGravity())
                        }
                        _restoreGravity() {
                            this.editor.model.change(e => {
                                e.restoreSelectionGravity(this._overrideUid),
                                this._overrideUid = null
                            })
                        }
                    }
                    function jh(e, t) {
                        for (const i of t)
                            if (e.hasAttribute(i))
                                return !0;
                        return !1
                    }
                    function Bh(e, t, i) {
                        const n = i.nodeBefore;
                        e.change(e => {
                            n ? e.setSelectionAttribute(n.getAttributes()) : e.removeSelectionAttribute(t)
                        })
                    }
                    function Fh(e) {
                        e.preventDefault()
                    }
                    function Hh(e, t) {
                        const {
                            nodeBefore: i,
                            nodeAfter: n
                        } = e;
                        for (const e of t) {
                            const t = i ? i.getAttribute(e) : void 0;
                            if ((n ? n.getAttribute(e) : void 0) !== t)
                                return !0
                        }
                        return !1
                    }
                    var Uh = /[\\^$.*+?()[\]{}|]/g,
                    Wh = RegExp(Uh.source);
                    var qh = function (e) {
                        return (e = Sn(e)) && Wh.test(e) ? e.replace(Uh, "\\$&") : e
                    };
                    const $h = {
                        copyright: {
                            from: "(c)",
                            to: "©"
                        },
                        registeredTrademark: {
                            from: "(r)",
                            to: "®"
                        },
                        trademark: {
                            from: "(tm)",
                            to: "™"
                        },
                        oneHalf: {
                            from: "1/2",
                            to: "½"
                        },
                        oneThird: {
                            from: "1/3",
                            to: "⅓"
                        },
                        twoThirds: {
                            from: "2/3",
                            to: "⅔"
                        },
                        oneForth: {
                            from: "1/4",
                            to: "¼"
                        },
                        threeQuarters: {
                            from: "3/4",
                            to: "¾"
                        },
                        lessThanOrEqual: {
                            from: "<=",
                            to: "≤"
                        },
                        greaterThanOrEqual: {
                            from: ">=",
                            to: "≥"
                        },
                        notEqual: {
                            from: "!=",
                            to: "≠"
                        },
                        arrowLeft: {
                            from: "<-",
                            to: "←"
                        },
                        arrowRight: {
                            from: "->",
                            to: "→"
                        },
                        horizontalEllipsis: {
                            from: "...",
                            to: "…"
                        },
                        enDash: {
                            from: /(^| )(--)( )$/,
                            to: [null, "–", null]
                        },
                        emDash: {
                            from: /(^| )(---)( )$/,
                            to: [null, "—", null]
                        },
                        quotesPrimary: {
                            from: Zh('"'),
                            to: [null, "“", null, "”"]
                        },
                        quotesSecondary: {
                            from: Zh("'"),
                            to: [null, "‘", null, "’"]
                        },
                        quotesPrimaryEnGb: {
                            from: Zh("'"),
                            to: [null, "‘", null, "’"]
                        },
                        quotesSecondaryEnGb: {
                            from: Zh('"'),
                            to: [null, "“", null, "”"]
                        },
                        quotesPrimaryPl: {
                            from: Zh('"'),
                            to: [null, "„", null, "”"]
                        },
                        quotesSecondaryPl: {
                            from: Zh("'"),
                            to: [null, "‚", null, "’"]
                        }
                    },
                    Yh = {
                        symbols: ["copyright", "registeredTrademark", "trademark"],
                        mathematical: ["oneHalf", "oneThird", "twoThirds", "oneForth", "threeQuarters", "lessThanOrEqual", "greaterThanOrEqual", "notEqual", "arrowLeft", "arrowRight"],
                        typography: ["horizontalEllipsis", "enDash", "emDash"],
                        quotes: ["quotesPrimary", "quotesSecondary"]
                    },
                    Gh = ["symbols", "mathematical", "typography", "quotes"];
                    function Kh(e) {
                        return "string" == typeof e ? new RegExp(`(${qh(e)})$`) : e
                    }
                    function Qh(e) {
                        return "string" == typeof e ? () => [e] : e instanceof Array ? () => e : e
                    }
                    function Jh(e) {
                        return (e.textNode ? e.textNode : e.nodeAfter).getAttributes()
                    }
                    function Zh(e) {
                        return new RegExp(`(^|\\s)(${e})([^${e}]*)(${e})$`)
                    }
                    function Xh(e, t, i, n) {
                        return n.createRange(ef(e, t, i, !0, n), ef(e, t, i, !1, n))
                    }
                    function ef(e, t, i, n, o) {
                        let r = e.textNode || (n ? e.nodeBefore : e.nodeAfter),
                        s = null;
                        for (; r && r.getAttribute(t) == i; )
                            s = r, r = n ? r.previousSibling : r.nextSibling;
                        return s ? o.createPositionAt(s, n ? "before" : "after") : e
                    }
                    class tf extends Ze {
                        constructor(e) {
                            super(e),
                            this._stack = [],
                            this._createdBatches = new WeakSet,
                            this.refresh(),
                            this.listenTo(e.data, "set", () => this.clearStack())
                        }
                        refresh() {
                            this.isEnabled = this._stack.length > 0
                        }
                        addBatch(e) {
                            const t = this.editor.model.document.selection,
                            i = {
                                ranges: t.hasOwnRange ? Array.from(t.getRanges()) : [],
                                isBackward: t.isBackward
                            };
                            this._stack.push({
                                batch: e,
                                selection: i
                            }),
                            this.refresh()
                        }
                        clearStack() {
                            this._stack = [],
                            this.refresh()
                        }
                        _restoreSelection(e, t, i) {
                            const n = this.editor.model,
                            o = n.document,
                            r = [],
                            s = e.map(e => e.getTransformedByOperations(i)),
                            a = s.flat();
                            for (const e of s) {
                                const t = e.filter(e => e.root != o.graveyard).filter(e => !of(e, a));
                                t.length && (nf(t), r.push(t[0]))
                            }
                            r.length && n.change(e => {
                                e.setSelection(r, {
                                    backward: t
                                })
                            })
                        }
                        _undo(e, t) {
                            const i = this.editor.model,
                            n = i.document;
                            this._createdBatches.add(t);
                            const o = e.operations.slice().filter(e => e.isDocumentOperation);
                            o.reverse();
                            for (const e of o) {
                                const o = e.baseVersion + 1,
                                r = Array.from(n.history.getOperations(o)),
                                s = uu([e.getReversed()], r, {
                                    useRelations: !0,
                                    document: this.editor.model.document,
                                    padWithNoOps: !1,
                                    forceWeakRemove: !0
                                }).operationsA;
                                for (const o of s)
                                    t.addOperation(o), i.applyOperation(o), n.history.setOperationAsUndone(e, o)
                            }
                        }
                    }
                    function nf(e) {
                        e.sort((e, t) => e.start.isBefore(t.start) ? -1 : 1);
                        for (let t = 1; t < e.length; t++) {
                            const i = e[t - 1].getJoined(e[t], !0);
                            i && (t--, e.splice(t, 2, i))
                        }
                    }
                    function of(e, t) {
                        return t.some(t => t !== e && t.containsRange(e, !0))
                    }
                    class rf extends tf {
                        execute(e = null) {
                            const t = e ? this._stack.findIndex(t => t.batch == e) : this._stack.length - 1,
                            i = this._stack.splice(t, 1)[0],
                            n = this.editor.model.createBatch("transparent");
                            this.editor.model.enqueueChange(n, () => {
                                this._undo(i.batch, n);
                                const e = this.editor.model.document.history.getOperations(i.batch.baseVersion);
                                this._restoreSelection(i.selection.ranges, i.selection.isBackward, e),
                                this.fire("revert", i.batch, n)
                            }),
                            this.refresh()
                        }
                    }
                    class sf extends tf {
                        execute() {
                            const e = this._stack.pop(),
                            t = this.editor.model.createBatch("transparent");
                            this.editor.model.enqueueChange(t, () => {
                                const i = e.batch.operations[e.batch.operations.length - 1].baseVersion + 1,
                                n = this.editor.model.document.history.getOperations(i);
                                this._restoreSelection(e.selection.ranges, e.selection.isBackward, n),
                                this._undo(e.batch, t)
                            }),
                            this.refresh()
                        }
                    }
                    class af extends Qe {
                        static get pluginName() {
                            return "UndoEditing"
                        }
                        constructor(e) {
                            super(e),
                            this._batchRegistry = new WeakSet
                        }
                        init() {
                            const e = this.editor;
                            this._undoCommand = new rf(e),
                            this._redoCommand = new sf(e),
                            e.commands.add("undo", this._undoCommand),
                            e.commands.add("redo", this._redoCommand),
                            this.listenTo(e.model, "applyOperation", (e, t) => {
                                const i = t[0];
                                if (!i.isDocumentOperation)
                                    return;
                                const n = i.batch,
                                o = this._redoCommand._createdBatches.has(n),
                                r = this._undoCommand._createdBatches.has(n);
                                this._batchRegistry.has(n) || "transparent" == n.type && !o && !r || (o ? this._undoCommand.addBatch(n) : r || (this._undoCommand.addBatch(n), this._redoCommand.clearStack()), this._batchRegistry.add(n))
                            }, {
                                priority: "highest"
                            }),
                            this.listenTo(this._undoCommand, "revert", (e, t, i) => {
                                this._redoCommand.addBatch(i)
                            }),
                            e.keystrokes.set("CTRL+Z", "undo"),
                            e.keystrokes.set("CTRL+Y", "redo"),
                            e.keystrokes.set("CTRL+SHIFT+Z", "redo")
                        }
                    }
                    var cf = '<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="m5.042 9.367 2.189 1.837a.75.75 0 0 1-.965 1.149l-3.788-3.18a.747.747 0 0 1-.21-.284.75.75 0 0 1 .17-.945L6.23 4.762a.75.75 0 1 1 .964 1.15L4.863 7.866h8.917A.75.75 0 0 1 14 7.9a4 4 0 1 1-1.477 7.718l.344-1.489a2.5 2.5 0 1 0 1.094-4.73l.008-.032H5.042z"/></svg>',
                    lf = '<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="m14.958 9.367-2.189 1.837a.75.75 0 0 0 .965 1.149l3.788-3.18a.747.747 0 0 0 .21-.284.75.75 0 0 0-.17-.945L13.77 4.762a.75.75 0 1 0-.964 1.15l2.331 1.955H6.22A.75.75 0 0 0 6 7.9a4 4 0 1 0 1.477 7.718l-.344-1.489A2.5 2.5 0 1 1 6.039 9.4l-.008-.032h8.927z"/></svg>';
                    class df extends Qe {
                        static get pluginName() {
                            return "UndoUI"
                        }
                        init() {
                            const e = this.editor,
                            t = e.locale,
                            i = e.t,
                            n = "ltr" == t.uiLanguageDirection ? cf : lf,
                            o = "ltr" == t.uiLanguageDirection ? lf : cf;
                            this._addButton("undo", i("Undo"), "CTRL+Z", n),
                            this._addButton("redo", i("Redo"), "CTRL+Y", o)
                        }
                        _addButton(e, t, i, n) {
                            const o = this.editor;
                            o.ui.componentFactory.add(e, r => {
                                const s = o.commands.get(e),
                                a = new cd(r);
                                return a.set({
                                    label: t,
                                    icon: n,
                                    keystroke: i,
                                    tooltip: !0
                                }),
                                a.bind("isEnabled").to(s, "isEnabled"),
                                this.listenTo(a, "execute", () => {
                                    o.execute(e),
                                    o.editing.view.focus()
                                }),
                                a
                            })
                        }
                    }
                    class uf extends Qe {
                        static get requires() {
                            return [af, df]
                        }
                        static get pluginName() {
                            return "Undo"
                        }
                    }
                    class hf {
                        constructor() {
                            const e = new window.FileReader;
                            this._reader = e,
                            this._data = void 0,
                            this.set("loaded", 0),
                            e.onprogress = e => {
                                this.loaded = e.loaded
                            }
                        }
                        get error() {
                            return this._reader.error
                        }
                        get data() {
                            return this._data
                        }
                        read(e) {
                            const t = this._reader;
                            return this.total = e.size,
                            new Promise((i, n) => {
                                t.onload = () => {
                                    const e = t.result;
                                    this._data = e,
                                    i(e)
                                },
                                t.onerror = () => {
                                    n("error")
                                },
                                t.onabort = () => {
                                    n("aborted")
                                },
                                this._reader.readAsDataURL(e)
                            })
                        }
                        abort() {
                            this._reader.abort()
                        }
                    }
                    Ke(hf, Ue);
                    class ff extends Qe {
                        static get pluginName() {
                            return "FileRepository"
                        }
                        static get requires() {
                            return [xl]
                        }
                        init() {
                            this.loaders = new Zi,
                            this.loaders.on("add", () => this._updatePendingAction()),
                            this.loaders.on("remove", () => this._updatePendingAction()),
                            this._loadersMap = new Map,
                            this._pendingAction = null,
                            this.set("uploaded", 0),
                            this.set("uploadTotal", null),
                            this.bind("uploadedPercent").to(this, "uploaded", this, "uploadTotal", (e, t) => t ? e / t * 100 : 0)
                        }
                        getLoader(e) {
                            return this._loadersMap.get(e) || null
                        }
                        createLoader(e) {
                            if (!this.createUploadAdapter)
                                return Object(c.b)("filerepository-no-upload-adapter"), null;
                            const t = new gf(Promise.resolve(e), this.createUploadAdapter);
                            return this.loaders.add(t),
                            this._loadersMap.set(e, t),
                            e instanceof Promise && t.file.then(e => {
                                this._loadersMap.set(e, t)
                            }).catch(() => {}),
                            t.on("change:uploaded", () => {
                                let e = 0;
                                for (const t of this.loaders)
                                    e += t.uploaded;
                                this.uploaded = e
                            }),
                            t.on("change:uploadTotal", () => {
                                let e = 0;
                                for (const t of this.loaders)
                                    t.uploadTotal && (e += t.uploadTotal);
                                this.uploadTotal = e
                            }),
                            t
                        }
                        destroyLoader(e) {
                            const t = e instanceof gf ? e : this.getLoader(e);
                            t._destroy(),
                            this.loaders.remove(t),
                            this._loadersMap.forEach((e, i) => {
                                e === t && this._loadersMap.delete(i)
                            })
                        }
                        _updatePendingAction() {
                            const e = this.editor.plugins.get(xl);
                            if (this.loaders.length) {
                                if (!this._pendingAction) {
                                    const t = this.editor.t,
                                    i = e => `${t("Upload in progress")} ${parseInt(e)}%.`;
                                    this._pendingAction = e.add(i(this.uploadedPercent)),
                                    this._pendingAction.bind("message").to(this, "uploadedPercent", i)
                                }
                            } else
                                e.remove(this._pendingAction), this._pendingAction = null
                        }
                    }
                    Ke(ff, Ue);
                    class gf {
                        constructor(e, t) {
                            this.id = s(),
                            this._filePromiseWrapper = this._createFilePromiseWrapper(e),
                            this._adapter = t(this),
                            this._reader = new hf,
                            this.set("status", "idle"),
                            this.set("uploaded", 0),
                            this.set("uploadTotal", null),
                            this.bind("uploadedPercent").to(this, "uploaded", this, "uploadTotal", (e, t) => t ? e / t * 100 : 0),
                            this.set("uploadResponse", null)
                        }
                        get file() {
                            return this._filePromiseWrapper ? this._filePromiseWrapper.promise.then(e => this._filePromiseWrapper ? e : null) : Promise.resolve(null)
                        }
                        get data() {
                            return this._reader.data
                        }
                        read() {
                            if ("idle" != this.status)
                                throw new c.a("filerepository-read-wrong-status", this);
                            return this.status = "reading",
                            this.file.then(e => this._reader.read(e)).then(e => {
                                if ("reading" !== this.status)
                                    throw this.status;
                                return this.status = "idle",
                                e
                            }).catch(e => {
                                if ("aborted" === e)
                                    throw this.status = "aborted", "aborted";
                                throw this.status = "error",
                                this._reader.error ? this._reader.error : e
                            })
                        }
                        upload() {
                            if ("idle" != this.status)
                                throw new c.a("filerepository-upload-wrong-status", this);
                            return this.status = "uploading",
                            this.file.then(() => this._adapter.upload()).then(e => (this.uploadResponse = e, this.status = "idle", e)).catch(e => {
                                if ("aborted" === this.status)
                                    throw "aborted";
                                throw this.status = "error",
                                e
                            })
                        }
                        abort() {
                            const e = this.status;
                            this.status = "aborted",
                            this._filePromiseWrapper.isFulfilled ? "reading" == e ? this._reader.abort() : "uploading" == e && this._adapter.abort && this._adapter.abort() : (this._filePromiseWrapper.promise.catch(() => {}), this._filePromiseWrapper.rejecter("aborted")),
                            this._destroy()
                        }
                        _destroy() {
                            this._filePromiseWrapper = void 0,
                            this._reader = void 0,
                            this._adapter = void 0,
                            this.uploadResponse = void 0
                        }
                        _createFilePromiseWrapper(e) {
                            const t = {};
                            return t.promise = new Promise((i, n) => {
                                t.rejecter = n,
                                t.isFulfilled = !1,
                                e.then(e => {
                                    t.isFulfilled = !0,
                                    i(e)
                                }).catch(e => {
                                    t.isFulfilled = !0,
                                    n(e)
                                })
                            }),
                            t
                        }
                    }
                    Ke(gf, Ue);
                    class mf extends jl {
                        constructor(e) {
                            super(e),
                            this.buttonView = new cd(e),
                            this._fileInputView = new pf(e),
                            this._fileInputView.bind("acceptedType").to(this),
                            this._fileInputView.bind("allowMultipleFiles").to(this),
                            this._fileInputView.delegate("done").to(this),
                            this.setTemplate({
                                tag: "span",
                                attributes: {
                                    class: "ck-file-dialog-button"
                                },
                                children: [this.buttonView, this._fileInputView]
                            }),
                            this.buttonView.on("execute", () => {
                                this._fileInputView.open()
                            })
                        }
                        focus() {
                            this.buttonView.focus()
                        }
                    }
                    class pf extends jl {
                        constructor(e) {
                            super(e),
                            this.set("acceptedType"),
                            this.set("allowMultipleFiles", !1);
                            const t = this.bindTemplate;
                            this.setTemplate({
                                tag: "input",
                                attributes: {
                                    class: ["ck-hidden"],
                                    type: "file",
                                    tabindex: "-1",
                                    accept: t.to("acceptedType"),
                                    multiple: t.to("allowMultipleFiles")
                                },
                                on: {
                                    change: t.to(() => {
                                        this.element && this.element.files && this.element.files.length && this.fire("done", this.element.files),
                                        this.element.value = ""
                                    })
                                }
                            })
                        }
                        open() {
                            this.element.click()
                        }
                    }
                    function bf() {
                        let e = function (e) {
                            e = e.toLowerCase();
                            const t = document.cookie.split(";");
                            for (const i of t) {
                                const t = i.split("=");
                                if (decodeURIComponent(t[0].trim().toLowerCase()) === e)
                                    return decodeURIComponent(t[1])
                            }
                            return null
                        }
                        ("ckCsrfToken");
                        var t,
                        i;
                        return e && 40 == e.length || (e = function (e) {
                            let t = "";
                            const i = new Uint8Array(e);
                            window.crypto.getRandomValues(i);
                            for (let e = 0; e < i.length; e++) {
                                const n = "abcdefghijklmnopqrstuvwxyz0123456789".charAt(i[e] % "abcdefghijklmnopqrstuvwxyz0123456789".length);
                                t += Math.random() > .5 ? n.toUpperCase() : n
                            }
                            return t
                        }
                            (40), t = "ckCsrfToken", i = e, document.cookie = encodeURIComponent(t) + "=" + encodeURIComponent(i) + ";path=/"),
                        e
                    }
                    class wf {
                        constructor(e, t, i) {
                            this.loader = e,
                            this.url = t,
                            this.t = i
                        }
                        upload() {
                            return this.loader.file.then(e => new Promise((t, i) => {
                                    this._initRequest(),
                                    this._initListeners(t, i, e),
                                    this._sendRequest(e)
                                }))
                        }
                        abort() {
                            this.xhr && this.xhr.abort()
                        }
                        _initRequest() {
                            const e = this.xhr = new XMLHttpRequest;
                            e.open("POST", this.url, !0),
                            e.responseType = "json"
                        }
                        _initListeners(e, t, i) {
                            const n = this.xhr,
                            o = this.loader,
                            r = (0, this.t)("Cannot upload file:") + ` ${i.name}.`;
                            n.addEventListener("error", () => t(r)),
                            n.addEventListener("abort", () => t()),
                            n.addEventListener("load", () => {
                                const i = n.response;
                                if (!i || !i.uploaded)
                                    return t(i && i.error && i.error.message ? i.error.message : r);
                                e({
                                default:
                                    i.url
                                })
                            }),
                            n.upload && n.upload.addEventListener("progress", e => {
                                e.lengthComputable && (o.uploadTotal = e.total, o.uploaded = e.loaded)
                            })
                        }
                        _sendRequest(e) {
                            const t = new FormData;
                            t.append("upload", e),
                            t.append("ckCsrfToken", bf()),
                            this.xhr.send(t)
                        }
                    }
                    function kf(e, t, i, n) {
                        let o,
                        r = null;
                        "function" == typeof n ? o = n : (r = e.commands.get(n), o = () => {
                                e.execute(n)
                            }),
                        e.model.document.on("change:data", (s, a) => {
                            if (r && !r.isEnabled || !t.isEnabled)
                                return;
                            const c = Ns(e.model.document.selection.getRanges());
                            if (!c.isCollapsed)
                                return;
                            if ("transparent" == a.type)
                                return;
                            const l = Array.from(e.model.document.differ.getChanges()),
                            d = l[0];
                            if (1 != l.length || "insert" !== d.type || "$text" != d.name || 1 != d.length)
                                return;
                            const u = d.position.parent;
                            if (u.is("element", "codeBlock"))
                                return;
                            if (u.is("element", "listItem") && "function" != typeof n && !["numberedList", "bulletedList", "todoList"].includes(n))
                                return;
                            if (r && !0 === r.value)
                                return;
                            const h = u.getChild(0),
                            f = e.model.createRangeOn(h);
                            if (!f.containsRange(c) && !c.end.isEqual(f.end))
                                return;
                            const g = i.exec(h.data.substr(0, c.end.offset));
                            g && e.model.enqueueChange(t => {
                                const i = t.createPositionAt(u, 0),
                                n = t.createPositionAt(u, g[0].length),
                                r = new ba(i, n);
                                if (!1 !== o({
                                        match: g
                                    })) {
                                    t.remove(r);
                                    const i = e.model.document.selection.getFirstRange(),
                                    n = t.createRangeIn(u);
                                    !u.isEmpty || n.isEqual(i) || n.containsRange(i, !0) || t.remove(u)
                                }
                                r.detach()
                            })
                        })
                    }
                    function _f(e, t, i, n) {
                        let o,
                        r;
                        i instanceof RegExp ? o = i : r = i,
                        r = r || (e => {
                            let t;
                            const i = [],
                            n = [];
                            for (; null !== (t = o.exec(e)) && !(t && t.length < 4); ) {
                                let {
                                    index: e,
                                    1: o,
                                    2: r,
                                    3: s
                                } = t;
                                const a = o + r + s;
                                e += t[0].length - a.length;
                                const c = [e, e + o.length],
                                l = [e + o.length + r.length, e + o.length + r.length + s.length];
                                i.push(c),
                                i.push(l),
                                n.push([e + o.length, e + o.length + r.length])
                            }
                            return {
                                remove: i,
                                format: n
                            }
                        }),
                        e.model.document.on("change:data", (i, o) => {
                            if ("transparent" == o.type || !t.isEnabled)
                                return;
                            const s = e.model,
                            a = s.document.selection;
                            if (!a.isCollapsed)
                                return;
                            const c = Array.from(s.document.differ.getChanges()),
                            l = c[0];
                            if (1 != c.length || "insert" !== l.type || "$text" != l.name || 1 != l.length)
                                return;
                            const d = a.focus,
                            u = d.parent, {
                                text: h,
                                range: f
                            } = function (e, t) {
                                let i = e.start;
                                return {
                                    text: Array.from(e.getItems()).reduce((e, n) => !n.is("$text") && !n.is("$textProxy") || n.getAttribute("code") ? (i = t.createPositionAfter(n), "") : e + n.data, ""),
                                    range: t.createRange(i, e.end)
                                }
                            }
                            (s.createRange(s.createPositionAt(u, 0), d), s),
                            g = r(h),
                            m = vf(f.start, g.format, s),
                            p = vf(f.start, g.remove, s);
                            m.length && p.length && s.enqueueChange(e => {
                                if (!1 !== n(e, m))
                                    for (const t of p.reverse())
                                        e.remove(t)
                            })
                        })
                    }
                    function vf(e, t, i) {
                        return t.filter(e => void 0 !== e[0] && void 0 !== e[1]).map(t => i.createRange(e.getShiftedBy(t[0]), e.getShiftedBy(t[1])))
                    }
                    function yf(e, t) {
                        return (i, n) => {
                            if (!e.commands.get(t).isEnabled)
                                return !1;
                            const o = e.model.schema.getValidRanges(n, t);
                            for (const e of o)
                                i.setAttribute(t, !0, e);
                            i.removeSelectionAttribute(t)
                        }
                    }
                    class xf extends Ze {
                        constructor(e, t) {
                            super(e),
                            this.attributeKey = t
                        }
                        refresh() {
                            const e = this.editor.model,
                            t = e.document;
                            this.value = this._getValueFromFirstAllowedNode(),
                            this.isEnabled = e.schema.checkAttributeInSelection(t.selection, this.attributeKey)
                        }
                        execute(e = {}) {
                            const t = this.editor.model,
                            i = t.document.selection,
                            n = void 0 === e.forceValue ? !this.value : e.forceValue;
                            t.change(e => {
                                if (i.isCollapsed)
                                    n ? e.setSelectionAttribute(this.attributeKey, !0) : e.removeSelectionAttribute(this.attributeKey);
                                else {
                                    const o = t.schema.getValidRanges(i.getRanges(), this.attributeKey);
                                    for (const t of o)
                                        n ? e.setAttribute(this.attributeKey, n, t) : e.removeAttribute(this.attributeKey, t)
                                }
                            })
                        }
                        _getValueFromFirstAllowedNode() {
                            const e = this.editor.model,
                            t = e.schema,
                            i = e.document.selection;
                            if (i.isCollapsed)
                                return i.hasAttribute(this.attributeKey);
                            for (const e of i.getRanges())
                                for (const i of e.getItems())
                                    if (t.checkAttribute(i, this.attributeKey))
                                        return i.hasAttribute(this.attributeKey);
                            return !1
                        }
                    }
                    class Af extends Qe {
                        static get pluginName() {
                            return "BoldEditing"
                        }
                        init() {
                            const e = this.editor;
                            e.model.schema.extend("$text", {
                                allowAttributes: "bold"
                            }),
                            e.model.schema.setAttributeProperties("bold", {
                                isFormatting: !0,
                                copyOnEnter: !0
                            }),
                            e.conversion.attributeToElement({
                                model: "bold",
                                view: "strong",
                                upcastAlso: ["b", e => {
                                        const t = e.getStyle("font-weight");
                                        return t ? "bold" == t || Number(t) >= 600 ? {
                                            name: !0,
                                            styles: ["font-weight"]
                                        }
                                         : void 0 : null
                                    }
                                ]
                            }),
                            e.commands.add("bold", new xf(e, "bold")),
                            e.keystrokes.set("CTRL+B", "bold")
                        }
                    }
                    class Cf extends Qe {
                        static get pluginName() {
                            return "BoldUI"
                        }
                        init() {
                            const e = this.editor,
                            t = e.t;
                            e.ui.componentFactory.add("bold", i => {
                                const n = e.commands.get("bold"),
                                o = new cd(i);
                                return o.set({
                                    label: t("Bold"),
                                    icon: '<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M10.187 17H5.773c-.637 0-1.092-.138-1.364-.415-.273-.277-.409-.718-.409-1.323V4.738c0-.617.14-1.062.419-1.332.279-.27.73-.406 1.354-.406h4.68c.69 0 1.288.041 1.793.124.506.083.96.242 1.36.478.341.197.644.447.906.75a3.262 3.262 0 0 1 .808 2.162c0 1.401-.722 2.426-2.167 3.075C15.05 10.175 16 11.315 16 13.01a3.756 3.756 0 0 1-2.296 3.504 6.1 6.1 0 0 1-1.517.377c-.571.073-1.238.11-2 .11zm-.217-6.217H7v4.087h3.069c1.977 0 2.965-.69 2.965-2.072 0-.707-.256-1.22-.768-1.537-.512-.319-1.277-.478-2.296-.478zM7 5.13v3.619h2.606c.729 0 1.292-.067 1.69-.2a1.6 1.6 0 0 0 .91-.765c.165-.267.247-.566.247-.897 0-.707-.26-1.176-.778-1.409-.519-.232-1.31-.348-2.375-.348H7z"/></svg>',
                                    keystroke: "CTRL+B",
                                    tooltip: !0,
                                    isToggleable: !0
                                }),
                                o.bind("isOn", "isEnabled").to(n, "value", "isEnabled"),
                                this.listenTo(o, "execute", () => {
                                    e.execute("bold"),
                                    e.editing.view.focus()
                                }),
                                o
                            })
                        }
                    }
                    class Tf extends Qe {
                        static get pluginName() {
                            return "ItalicEditing"
                        }
                        init() {
                            const e = this.editor;
                            e.model.schema.extend("$text", {
                                allowAttributes: "italic"
                            }),
                            e.model.schema.setAttributeProperties("italic", {
                                isFormatting: !0,
                                copyOnEnter: !0
                            }),
                            e.conversion.attributeToElement({
                                model: "italic",
                                view: "i",
                                upcastAlso: ["em", {
                                        styles: {
                                            "font-style": "italic"
                                        }
                                    }
                                ]
                            }),
                            e.commands.add("italic", new xf(e, "italic")),
                            e.keystrokes.set("CTRL+I", "italic")
                        }
                    }
                    class Ef extends Qe {
                        static get pluginName() {
                            return "ItalicUI"
                        }
                        init() {
                            const e = this.editor,
                            t = e.t;
                            e.ui.componentFactory.add("italic", i => {
                                const n = e.commands.get("italic"),
                                o = new cd(i);
                                return o.set({
                                    label: t("Italic"),
                                    icon: '<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="m9.586 14.633.021.004c-.036.335.095.655.393.962.082.083.173.15.274.201h1.474a.6.6 0 1 1 0 1.2H5.304a.6.6 0 0 1 0-1.2h1.15c.474-.07.809-.182 1.005-.334.157-.122.291-.32.404-.597l2.416-9.55a1.053 1.053 0 0 0-.281-.823 1.12 1.12 0 0 0-.442-.296H8.15a.6.6 0 0 1 0-1.2h6.443a.6.6 0 1 1 0 1.2h-1.195c-.376.056-.65.155-.823.296-.215.175-.423.439-.623.79l-2.366 9.347z"/></svg>',
                                    keystroke: "CTRL+I",
                                    tooltip: !0,
                                    isToggleable: !0
                                }),
                                o.bind("isOn", "isEnabled").to(n, "value", "isEnabled"),
                                this.listenTo(o, "execute", () => {
                                    e.execute("italic"),
                                    e.editing.view.focus()
                                }),
                                o
                            })
                        }
                    }
                    class Pf extends Ze {
                        refresh() {
                            this.value = this._getValue(),
                            this.isEnabled = this._checkEnabled()
                        }
                        execute(e = {}) {
                            const t = this.editor.model,
                            i = t.schema,
                            n = t.document.selection,
                            o = Array.from(n.getSelectedBlocks()),
                            r = void 0 === e.forceValue ? !this.value : e.forceValue;
                            t.change(e => {
                                if (r) {
                                    const t = o.filter(e => Sf(e) || If(i, e));
                                    this._applyQuote(e, t)
                                } else
                                    this._removeQuote(e, o.filter(Sf))
                            })
                        }
                        _getValue() {
                            const e = Ns(this.editor.model.document.selection.getSelectedBlocks());
                            return !(!e || !Sf(e))
                        }
                        _checkEnabled() {
                            if (this.value)
                                return !0;
                            const e = this.editor.model.document.selection,
                            t = this.editor.model.schema,
                            i = Ns(e.getSelectedBlocks());
                            return !!i && If(t, i)
                        }
                        _removeQuote(e, t) {
                            Mf(e, t).reverse().forEach(t => {
                                if (t.start.isAtStart && t.end.isAtEnd)
                                    return void e.unwrap(t.start.parent);
                                if (t.start.isAtStart) {
                                    const i = e.createPositionBefore(t.start.parent);
                                    return void e.move(t, i)
                                }
                                t.end.isAtEnd || e.split(t.end);
                                const i = e.createPositionAfter(t.end.parent);
                                e.move(t, i)
                            })
                        }
                        _applyQuote(e, t) {
                            const i = [];
                            Mf(e, t).reverse().forEach(t => {
                                let n = Sf(t.start);
                                n || (n = e.createElement("blockQuote"), e.wrap(t, n)),
                                i.push(n)
                            }),
                            i.reverse().reduce((t, i) => t.nextSibling == i ? (e.merge(e.createPositionAfter(t)), t) : i)
                        }
                    }
                    function Sf(e) {
                        return "blockQuote" == e.parent.name ? e.parent : null
                    }
                    function Mf(e, t) {
                        let i,
                        n = 0;
                        const o = [];
                        for (; n < t.length; ) {
                            const r = t[n],
                            s = t[n + 1];
                            i || (i = e.createPositionBefore(r)),
                            s && r.nextSibling == s || (o.push(e.createRange(i, e.createPositionAfter(r))), i = null),
                            n++
                        }
                        return o
                    }
                    function If(e, t) {
                        const i = e.checkChild(t.parent, "blockQuote"),
                        n = e.checkChild(["$root", "blockQuote"], t);
                        return i && n
                    }
                    class Nf extends Qe {
                        static get pluginName() {
                            return "BlockQuoteEditing"
                        }
                        static get requires() {
                            return [Nu, Lu]
                        }
                        init() {
                            const e = this.editor,
                            t = e.model.schema;
                            e.commands.add("blockQuote", new Pf(e)),
                            t.register("blockQuote", {
                                allowWhere: "$block",
                                allowContentOf: "$root"
                            }),
                            e.conversion.elementToElement({
                                model: "blockQuote",
                                view: "blockquote"
                            }),
                            e.model.document.registerPostFixer(i => {
                                const n = e.model.document.differ.getChanges();
                                for (const e of n)
                                    if ("insert" == e.type) {
                                        const n = e.position.nodeAfter;
                                        if (!n)
                                            continue;
                                        if (n.is("element", "blockQuote") && n.isEmpty)
                                            return i.remove(n), !0;
                                        if (n.is("element", "blockQuote") && !t.checkChild(e.position, n))
                                            return i.unwrap(n), !0;
                                        if (n.is("element")) {
                                            const e = i.createRangeIn(n);
                                            for (const n of e.getItems())
                                                if (n.is("element", "blockQuote") && !t.checkChild(i.createPositionBefore(n), n))
                                                    return i.unwrap(n), !0
                                        }
                                    } else if ("remove" == e.type) {
                                        const t = e.position.parent;
                                        if (t.is("element", "blockQuote") && t.isEmpty)
                                            return i.remove(t), !0
                                    }
                                return !1
                            });
                            const i = this.editor.editing.view.document,
                            n = e.model.document.selection,
                            o = e.commands.get("blockQuote");
                            this.listenTo(i, "enter", (t, i) => {
                                if (!n.isCollapsed || !o.value)
                                    return;
                                n.getLastPosition().parent.isEmpty && (e.execute("blockQuote"), e.editing.view.scrollToTheSelection(), i.preventDefault(), t.stop())
                            }, {
                                context: "blockquote"
                            }),
                            this.listenTo(i, "delete", (t, i) => {
                                if ("backward" != i.direction || !n.isCollapsed || !o.value)
                                    return;
                                const r = n.getLastPosition().parent;
                                r.isEmpty && !r.previousSibling && (e.execute("blockQuote"), e.editing.view.scrollToTheSelection(), i.preventDefault(), t.stop())
                            }, {
                                context: "blockquote"
                            })
                        }
                    }
                    i(68);
                    class Rf extends Qe {
                        static get pluginName() {
                            return "BlockQuoteUI"
                        }
                        init() {
                            const e = this.editor,
                            t = e.t;
                            e.ui.componentFactory.add("blockQuote", i => {
                                const n = e.commands.get("blockQuote"),
                                o = new cd(i);
                                return o.set({
                                    label: t("Block quote"),
                                    icon: Rl,
                                    tooltip: !0,
                                    isToggleable: !0
                                }),
                                o.bind("isOn", "isEnabled").to(n, "value", "isEnabled"),
                                this.listenTo(o, "execute", () => {
                                    e.execute("blockQuote"),
                                    e.editing.view.focus()
                                }),
                                o
                            })
                        }
                    }
                    class Of extends Qe {
                        static get pluginName() {
                            return "CKFinderUI"
                        }
                        init() {
                            const e = this.editor,
                            t = e.ui.componentFactory,
                            i = e.t;
                            t.add("ckfinder", t => {
                                const n = e.commands.get("ckfinder"),
                                o = new cd(t);
                                return o.set({
                                    label: i("Insert image or file"),
                                    icon: '<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M11.627 16.5zm5.873-.196zm0-7.001V8h-13v8.5h4.341c.191.54.457 1.044.785 1.5H2a1.5 1.5 0 0 1-1.5-1.5v-13A1.5 1.5 0 0 1 2 2h4.5a1.5 1.5 0 0 1 1.06.44L9.122 4H16a1.5 1.5 0 0 1 1.5 1.5v1A1.5 1.5 0 0 1 19 8v2.531a6.027 6.027 0 0 0-1.5-1.228zM16 6.5v-1H8.5l-2-2H2v13h1V8a1.5 1.5 0 0 1 1.5-1.5H16z"/><path d="M14.5 19.5a5 5 0 1 1 0-10 5 5 0 0 1 0 10zM15 14v-2h-1v2h-2v1h2v2h1v-2h2v-1h-2z"/></svg>',
                                    tooltip: !0
                                }),
                                o.bind("isEnabled").to(n),
                                o.on("execute", () => {
                                    e.execute("ckfinder"),
                                    e.editing.view.focus()
                                }),
                                o
                            })
                        }
                    }
                    class Df extends Ze {
                        constructor(e) {
                            super(e),
                            this.stopListening(this.editor.model.document, "change"),
                            this.listenTo(this.editor.model.document, "change", () => this.refresh(), {
                                priority: "low"
                            })
                        }
                        refresh() {
                            const e = this.editor.commands.get("insertImage"),
                            t = this.editor.commands.get("link");
                            this.isEnabled = e.isEnabled || t.isEnabled
                        }
                        execute() {
                            const e = this.editor,
                            t = this.editor.config.get("ckfinder.openerMethod") || "modal";
                            if ("popup" != t && "modal" != t)
                                throw new c.a("ckfinder-unknown-openermethod", e);
                            const i = this.editor.config.get("ckfinder.options") || {};
                            i.chooseFiles = !0;
                            const n = i.onInit;
                            i.language || (i.language = e.locale.uiLanguage),
                            i.onInit = t => {
                                n && n(t),
                                t.on("files:choose", i => {
                                    const n = i.data.files.toArray(),
                                    o = n.filter(e => !e.isImage()),
                                    r = n.filter(e => e.isImage());
                                    for (const t of o)
                                        e.execute("link", t.getUrl());
                                    const s = [];
                                    for (const e of r) {
                                        const i = e.getUrl();
                                        s.push(i || t.request("file:getProxyUrl", {
                                                file: e
                                            }))
                                    }
                                    s.length && Lf(e, s)
                                }),
                                t.on("file:choose:resizedImage", t => {
                                    const i = t.data.resizedUrl;
                                    if (i)
                                        Lf(e, [i]);
                                    else {
                                        const t = e.plugins.get("Notification"),
                                        i = e.locale.t;
                                        t.showWarning(i("Could not obtain resized image URL."), {
                                            title: i("Selecting resized image failed"),
                                            namespace: "ckfinder"
                                        })
                                    }
                                })
                            },
                            window.CKFinder[t](i)
                        }
                    }
                    function Lf(e, t) {
                        if (e.commands.get("insertImage").isEnabled)
                            e.execute("insertImage", {
                                source: t
                            });
                        else {
                            const t = e.plugins.get("Notification"),
                            i = e.locale.t;
                            t.showWarning(i("Could not insert image at the current position."), {
                                title: i("Inserting image failed"),
                                namespace: "ckfinder"
                            })
                        }
                    }
                    class zf extends Qe {
                        static get pluginName() {
                            return "CKFinderEditing"
                        }
                        static get requires() {
                            return [Fd, "ImageEditing", "LinkEditing"]
                        }
                        init() {
                            const e = this.editor;
                            e.commands.add("ckfinder", new Df(e))
                        }
                    }
                    class Vf extends Qe {
                        static get pluginName() {
                            return "CloudServicesUploadAdapter"
                        }
                        static get requires() {
                            return ["CloudServices", ff]
                        }
                        init() {
                            const e = this.editor,
                            t = e.plugins.get("CloudServices"),
                            i = t.token,
                            n = t.uploadUrl;
                            i && (this._uploadGateway = e.plugins.get("CloudServicesCore").createUploadGateway(i, n), e.plugins.get(ff).createUploadAdapter = e => new jf(this._uploadGateway, e))
                        }
                    }
                    class jf {
                        constructor(e, t) {
                            this.uploadGateway = e,
                            this.loader = t
                        }
                        upload() {
                            return this.loader.file.then(e => (this.fileUploader = this.uploadGateway.upload(e), this.fileUploader.on("progress", (e, t) => {
                                        this.loader.uploadTotal = t.total,
                                        this.loader.uploaded = t.uploaded
                                    }), this.fileUploader.send()))
                        }
                        abort() {
                            this.fileUploader.abort()
                        }
                    }
                    class Bf extends Ze {
                        refresh() {
                            const e = this.editor.model,
                            t = Ns(e.document.selection.getSelectedBlocks());
                            this.value = !!t && t.is("element", "paragraph"),
                            this.isEnabled = !!t && Ff(t, e.schema)
                        }
                        execute(e = {}) {
                            const t = this.editor.model,
                            i = t.document;
                            t.change(n => {
                                const o = (e.selection || i.selection).getSelectedBlocks();
                                for (const e of o)
                                    !e.is("element", "paragraph") && Ff(e, t.schema) && n.rename(e, "paragraph")
                            })
                        }
                    }
                    function Ff(e, t) {
                        return t.checkChild(e.parent, "paragraph") && !t.isObject(e)
                    }
                    class Hf extends Ze {
                        execute(e) {
                            const t = this.editor.model;
                            let i = e.position;
                            t.change(e => {
                                const n = e.createElement("paragraph");
                                if (!t.schema.checkChild(i.parent, n)) {
                                    const o = t.schema.findAllowedParent(i, n);
                                    if (!o)
                                        return;
                                    i = e.split(i, o).position
                                }
                                t.insertContent(n, i),
                                e.setSelection(n, "in")
                            })
                        }
                    }
                    class Uf extends Qe {
                        static get pluginName() {
                            return "Paragraph"
                        }
                        init() {
                            const e = this.editor,
                            t = e.model;
                            e.commands.add("paragraph", new Bf(e)),
                            e.commands.add("insertParagraph", new Hf(e)),
                            t.schema.register("paragraph", {
                                inheritAllFrom: "$block"
                            }),
                            e.conversion.elementToElement({
                                model: "paragraph",
                                view: "p"
                            }),
                            e.conversion.for("upcast").elementToElement({
                                model: (e, {
                                    writer: t
                                }) => Uf.paragraphLikeElements.has(e.name) ? e.isEmpty ? null : t.createElement("paragraph") : null,
                                view: /.+/,
                                converterPriority: "low"
                            })
                        }
                    }
                    Uf.paragraphLikeElements = new Set(["blockquote", "dd", "div", "dt", "h1", "h2", "h3", "h4", "h5", "h6", "li", "p", "td", "th"]);
                    class Wf extends Ze {
                        constructor(e, t) {
                            super(e),
                            this.modelElements = t
                        }
                        refresh() {
                            const e = Ns(this.editor.model.document.selection.getSelectedBlocks());
                            this.value = !!e && this.modelElements.includes(e.name) && e.name,
                            this.isEnabled = !!e && this.modelElements.some(t => qf(e, t, this.editor.model.schema))
                        }
                        execute(e) {
                            const t = this.editor.model,
                            i = t.document,
                            n = e.value;
                            t.change(e => {
                                const o = Array.from(i.selection.getSelectedBlocks()).filter(e => qf(e, n, t.schema));
                                for (const t of o)
                                    t.is("element", n) || e.rename(t, n)
                            })
                        }
                    }
                    function qf(e, t, i) {
                        return i.checkChild(e.parent, t) && !i.isObject(e)
                    }
                    class $f extends Qe {
                        static get pluginName() {
                            return "HeadingEditing"
                        }
                        constructor(e) {
                            super(e),
                            e.config.define("heading", {
                                options: [{
                                        model: "paragraph",
                                        title: "Paragraph",
                                        class: "ck-heading_paragraph"
                                    }, {
                                        model: "heading1",
                                        view: "h2",
                                        title: "Heading 1",
                                        class: "ck-heading_heading1"
                                    }, {
                                        model: "heading2",
                                        view: "h3",
                                        title: "Heading 2",
                                        class: "ck-heading_heading2"
                                    }, {
                                        model: "heading3",
                                        view: "h4",
                                        title: "Heading 3",
                                        class: "ck-heading_heading3"
                                    }
                                ]
                            })
                        }
                        static get requires() {
                            return [Uf]
                        }
                        init() {
                            const e = this.editor,
                            t = e.config.get("heading.options"),
                            i = [];
                            for (const n of t)
                                "paragraph" !== n.model && (e.model.schema.register(n.model, {
                                        inheritAllFrom: "$block"
                                    }), e.conversion.elementToElement(n), i.push(n.model));
                            this._addDefaultH1Conversion(e),
                            e.commands.add("heading", new Wf(e, i))
                        }
                        afterInit() {
                            const e = this.editor,
                            t = e.commands.get("enter"),
                            i = e.config.get("heading.options");
                            t && this.listenTo(t, "afterExecute", (t, n) => {
                                const o = e.model.document.selection.getFirstPosition().parent;
                                i.some(e => o.is("element", e.model)) && !o.is("element", "paragraph") && 0 === o.childCount && n.writer.rename(o, "paragraph")
                            })
                        }
                        _addDefaultH1Conversion(e) {
                            e.conversion.for("upcast").elementToElement({
                                model: "heading1",
                                view: "h1",
                                converterPriority: a.get("low") + 1
                            })
                        }
                    }
                    i(12);
                    class Yf extends Qe {
                        static get pluginName() {
                            return "HeadingUI"
                        }
                        init() {
                            const e = this.editor,
                            t = e.t,
                            i = function (e) {
                                const t = e.t,
                                i = {
                                    Paragraph: t("Paragraph"),
                                    "Heading 1": t("Heading 1"),
                                    "Heading 2": t("Heading 2"),
                                    "Heading 3": t("Heading 3"),
                                    "Heading 4": t("Heading 4"),
                                    "Heading 5": t("Heading 5"),
                                    "Heading 6": t("Heading 6")
                                };
                                return e.config.get("heading.options").map(e => {
                                    const t = i[e.title];
                                    return t && t != e.title && (e.title = t),
                                    e
                                })
                            }
                            (e),
                            n = t("Choose heading"),
                            o = t("Heading");
                            e.ui.componentFactory.add("heading", t => {
                                const r = {},
                                s = new Zi,
                                a = e.commands.get("heading"),
                                c = e.commands.get("paragraph"),
                                l = [a];
                                for (const e of i) {
                                    const t = {
                                        type: "button",
                                        model: new Hd({
                                            label: e.title,
                                            class: e.class,
                                            withText: !0
                                        })
                                    };
                                    "paragraph" === e.model ? (t.model.bind("isOn").to(c, "value"), t.model.set("commandName", "paragraph"), l.push(c)) : (t.model.bind("isOn").to(a, "value", t => t === e.model), t.model.set({
                                            commandName: "heading",
                                            commandValue: e.model
                                        })),
                                    s.add(t),
                                    r[e.model] = e.title
                                }
                                const d = Id(t);
                                return Nd(d, s),
                                d.buttonView.set({
                                    isOn: !1,
                                    withText: !0,
                                    tooltip: o
                                }),
                                d.extendTemplate({
                                    attributes: {
                                        class: ["ck-heading-dropdown"]
                                    }
                                }),
                                d.bind("isEnabled").toMany(l, "isEnabled", (...e) => e.some(e => e)),
                                d.buttonView.bind("label").to(a, "value", c, "value", (e, t) => {
                                    const i = e || t && "paragraph";
                                    return r[i] ? r[i] : n
                                }),
                                this.listenTo(d, "execute", t => {
                                    e.execute(t.source.commandName, t.source.commandValue ? {
                                        value: t.source.commandValue
                                    }
                                         : void 0),
                                    e.editing.view.focus()
                                }),
                                d
                            })
                        }
                    }
                    class Gf extends Qe {
                        static get requires() {
                            return [Qd]
                        }
                        static get pluginName() {
                            return "WidgetToolbarRepository"
                        }
                        init() {
                            const e = this.editor;
                            if (e.plugins.has("BalloonToolbar")) {
                                const t = e.plugins.get("BalloonToolbar");
                                this.listenTo(t, "show", t => {
                                    (function (e) {
                                        const t = e.getSelectedElement();
                                        return !(!t || !Fu(t))
                                    })(e.editing.view.document.selection) && t.stop()
                                }, {
                                    priority: "high"
                                })
                            }
                            this._toolbarDefinitions = new Map,
                            this._balloon = this.editor.plugins.get("ContextualBalloon"),
                            this.on("change:isEnabled", () => {
                                this._updateToolbarsVisibility()
                            }),
                            this.listenTo(e.ui, "update", () => {
                                this._updateToolbarsVisibility()
                            }),
                            this.listenTo(e.ui.focusTracker, "change:isFocused", () => {
                                this._updateToolbarsVisibility()
                            }, {
                                priority: "low"
                            })
                        }
                        destroy() {
                            super.destroy();
                            for (const e of this._toolbarDefinitions.values())
                                e.view.destroy()
                        }
                        register(e, {
                            ariaLabel: t,
                            items: i,
                            getRelatedElement: n,
                            balloonClassName: o = "ck-toolbar-container"
                        }) {
                            if (!i.length)
                                return void Object(c.b)("widget-toolbar-no-items", {
                                    toolbarId: e
                                });
                            const r = this.editor,
                            s = r.t,
                            a = new Ad(r.locale);
                            if (a.ariaLabel = t || s("Widget toolbar"), this._toolbarDefinitions.has(e))
                                throw new c.a("widget-toolbar-duplicated", this, {
                                    toolbarId: e
                                });
                            a.fillFromConfig(i, r.ui.componentFactory),
                            this._toolbarDefinitions.set(e, {
                                view: a,
                                getRelatedElement: n,
                                balloonClassName: o
                            })
                        }
                        _updateToolbarsVisibility() {
                            let e = 0,
                            t = null,
                            i = null;
                            for (const n of this._toolbarDefinitions.values()) {
                                const o = n.getRelatedElement(this.editor.editing.view.document.selection);
                                if (this.isEnabled && o)
                                    if (this.editor.ui.focusTracker.isFocused) {
                                        const r = o.getAncestors().length;
                                        r > e && (e = r, t = o, i = n)
                                    } else
                                        this._isToolbarVisible(n) && this._hideToolbar(n);
                                else
                                    this._isToolbarInBalloon(n) && this._hideToolbar(n)
                            }
                            i && this._showToolbar(i, t)
                        }
                        _hideToolbar(e) {
                            this._balloon.remove(e.view),
                            this.stopListening(this._balloon, "change:visibleView")
                        }
                        _showToolbar(e, t) {
                            this._isToolbarVisible(e) ? Kf(this.editor, t) : this._isToolbarInBalloon(e) || (this._balloon.add({
                                    view: e.view,
                                    position: Qf(this.editor, t),
                                    balloonClassName: e.balloonClassName
                                }), this.listenTo(this._balloon, "change:visibleView", () => {
                                    for (const e of this._toolbarDefinitions.values())
                                        if (this._isToolbarVisible(e)) {
                                            const t = e.getRelatedElement(this.editor.editing.view.document.selection);
                                            Kf(this.editor, t)
                                        }
                                }))
                        }
                        _isToolbarVisible(e) {
                            return this._balloon.visibleView === e.view
                        }
                        _isToolbarInBalloon(e) {
                            return this._balloon.hasView(e.view)
                        }
                    }
                    function Kf(e, t) {
                        const i = e.plugins.get("ContextualBalloon"),
                        n = Qf(e, t);
                        i.updatePosition(n)
                    }
                    function Qf(e, t) {
                        const i = e.editing.view,
                        n = qd.defaultPositions;
                        return {
                            target: i.domConverter.mapViewToDom(t),
                            positions: [n.northArrowSouth, n.northArrowSouthWest, n.northArrowSouthEast, n.southArrowNorth, n.southArrowNorthWest, n.southArrowNorthEast, Qu]
                        }
                    }
                    class Jf {
                        constructor(e) {
                            this.set("activeHandlePosition", null),
                            this.set("proposedWidthPercents", null),
                            this.set("proposedWidth", null),
                            this.set("proposedHeight", null),
                            this.set("proposedHandleHostWidth", null),
                            this.set("proposedHandleHostHeight", null),
                            this._options = e,
                            this._referenceCoordinates = null
                        }
                        begin(e, t, i) {
                            const n = new Ts(t);
                            this.activeHandlePosition = function (e) {
                                const t = ["top-left", "top-right", "bottom-right", "bottom-left"];
                                for (const i of t)
                                    if (e.classList.contains("ck-widget__resizer__handle-" + i))
                                        return i
                            }
                            (e),
                            this._referenceCoordinates = function (e, t) {
                                const i = new Ts(e),
                                n = t.split("-"),
                                o = {
                                    x: "right" == n[1] ? i.right : i.left,
                                    y: "bottom" == n[0] ? i.bottom : i.top
                                };
                                return o.x += e.ownerDocument.defaultView.scrollX,
                                o.y += e.ownerDocument.defaultView.scrollY,
                                o
                            }
                            (t, function (e) {
                                const t = e.split("-"),
                                i = {
                                    top: "bottom",
                                    bottom: "top",
                                    left: "right",
                                    right: "left"
                                };
                                return `${i[t[0]]}-${i[t[1]]}`
                            }
                                (this.activeHandlePosition)),
                            this.originalWidth = n.width,
                            this.originalHeight = n.height,
                            this.aspectRatio = n.width / n.height;
                            const o = i.style.width;
                            o && o.match(/^\d+(\.\d*)?%$/) ? this.originalWidthPercents = parseFloat(o) : this.originalWidthPercents = function (e, t) {
                                const i = e.parentElement,
                                n = parseFloat(i.ownerDocument.defaultView.getComputedStyle(i).width);
                                return t.width / n * 100
                            }
                            (i, n)
                        }
                        update(e) {
                            this.proposedWidth = e.width,
                            this.proposedHeight = e.height,
                            this.proposedWidthPercents = e.widthPercents,
                            this.proposedHandleHostWidth = e.handleHostWidth,
                            this.proposedHandleHostHeight = e.handleHostHeight
                        }
                    }
                    Ke(Jf, Ue);
                    class Zf {
                        constructor(e) {
                            this._options = e,
                            this._domResizerWrapper = null,
                            this._viewResizerWrapper = null,
                            this.set("isEnabled", !0),
                            this.decorate("begin"),
                            this.decorate("cancel"),
                            this.decorate("commit"),
                            this.decorate("updateSize"),
                            this.on("commit", e => {
                                this.state.proposedWidth || this.state.proposedWidthPercents || (this._cleanup(), e.stop())
                            }, {
                                priority: "high"
                            }),
                            this.on("change:isEnabled", () => {
                                this.isEnabled && this.redraw()
                            })
                        }
                        attach() {
                            const e = this,
                            t = this._options.viewElement;
                            this._options.editor.editing.view.change(i => {
                                const n = i.createUIElement("div", {
                                    class: "ck ck-reset_all ck-widget__resizer"
                                }, (function (t) {
                                            const i = this.toDomElement(t);
                                            return e._appendHandles(i),
                                            e._appendSizeUI(i),
                                            e._domResizerWrapper = i,
                                            e.on("change:isEnabled", (e, t, n) => {
                                                i.style.display = n ? "" : "none"
                                            }),
                                            i.style.display = e.isEnabled ? "" : "none",
                                            i
                                        }));
                                i.insert(i.createPositionAt(t, "end"), n),
                                i.addClass("ck-widget_with-resizer", t),
                                this._viewResizerWrapper = n
                            })
                        }
                        begin(e) {
                            this.state = new Jf(this._options),
                            this._sizeUI.bindToState(this._options, this.state),
                            this._initialViewWidth = this._options.viewElement.getStyle("width"),
                            this.state.begin(e, this._getHandleHost(), this._getResizeHost())
                        }
                        updateSize(e) {
                            const t = this._proposeNewSize(e);
                            this._options.editor.editing.view.change(e => {
                                const i = this._options.unit || "%",
                                n = ("%" === i ? t.widthPercents : t.width) + i;
                                e.setStyle("width", n, this._options.viewElement)
                            });
                            const i = this._getHandleHost(),
                            n = new Ts(i);
                            t.handleHostWidth = Math.round(n.width),
                            t.handleHostHeight = Math.round(n.height);
                            const o = new Ts(i);
                            t.width = Math.round(o.width),
                            t.height = Math.round(o.height),
                            this.redraw(n),
                            this.state.update(t)
                        }
                        commit() {
                            const e = this._options.unit || "%",
                            t = ("%" === e ? this.state.proposedWidthPercents : this.state.proposedWidth) + e;
                            this._options.editor.editing.view.change(() => {
                                this._cleanup(),
                                this._options.onCommit(t)
                            })
                        }
                        cancel() {
                            this._cleanup()
                        }
                        destroy() {
                            this.cancel()
                        }
                        redraw(e) {
                            const t = this._domResizerWrapper;
                            if (!((i = t) && i.ownerDocument && i.ownerDocument.contains(i)))
                                return;
                            var i;
                            const n = t.parentElement,
                            o = this._getHandleHost(),
                            r = this._viewResizerWrapper,
                            s = [r.getStyle("width"), r.getStyle("height"), r.getStyle("left"), r.getStyle("top")];
                            let a;
                            if (n.isSameNode(o)) {
                                const t = e || new Ts(o);
                                a = [t.width + "px", t.height + "px", void 0, void 0]
                            } else
                                a = [o.offsetWidth + "px", o.offsetHeight + "px", o.offsetLeft + "px", o.offsetTop + "px"];
                            "same" !== cn(s, a) && this._options.editor.editing.view.change(e => {
                                e.setStyle({
                                    width: a[0],
                                    height: a[1],
                                    left: a[2],
                                    top: a[3]
                                }, r)
                            })
                        }
                        containsHandle(e) {
                            return this._domResizerWrapper.contains(e)
                        }
                        static isResizeHandle(e) {
                            return e.classList.contains("ck-widget__resizer__handle")
                        }
                        _cleanup() {
                            this._sizeUI.dismiss(),
                            this._sizeUI.isVisible = !1;
                            this._options.editor.editing.view.change(e => {
                                e.setStyle("width", this._initialViewWidth, this._options.viewElement)
                            })
                        }
                        _proposeNewSize(e) {
                            const t = this.state,
                            i = {
                                x: (n = e).pageX,
                                y: n.pageY
                            };
                            var n;
                            const o = !this._options.isCentered || this._options.isCentered(this),
                            r = {
                                x: t._referenceCoordinates.x - (i.x + t.originalWidth),
                                y: i.y - t.originalHeight - t._referenceCoordinates.y
                            };
                            o && t.activeHandlePosition.endsWith("-right") && (r.x = i.x - (t._referenceCoordinates.x + t.originalWidth)),
                            o && (r.x *= 2);
                            const s = {
                                width: Math.abs(t.originalWidth + r.x),
                                height: Math.abs(t.originalHeight + r.y)
                            };
                            s.dominant = s.width / t.aspectRatio > s.height ? "width" : "height",
                            s.max = s[s.dominant];
                            const a = {
                                width: s.width,
                                height: s.height
                            };
                            return "width" == s.dominant ? a.height = a.width / t.aspectRatio : a.width = a.height * t.aspectRatio, {
                                width: Math.round(a.width),
                                height: Math.round(a.height),
                                widthPercents: Math.min(Math.round(t.originalWidthPercents / t.originalWidth * a.width * 100) / 100, 100)
                            }
                        }
                        _getResizeHost() {
                            const e = this._domResizerWrapper.parentElement;
                            return this._options.getResizeHost(e)
                        }
                        _getHandleHost() {
                            const e = this._domResizerWrapper.parentElement;
                            return this._options.getHandleHost(e)
                        }
                        _appendHandles(e) {
                            const t = ["top-left", "top-right", "bottom-right", "bottom-left"];
                            for (const n of t)
                                e.appendChild(new Bl({
                                        tag: "div",
                                        attributes: {
                                            class: "ck-widget__resizer__handle " + (i = n, "ck-widget__resizer__handle-" + i)
                                        }
                                    }).render());
                            var i
                        }
                        _appendSizeUI(e) {
                            const t = new Xf;
                            t.render(),
                            this._sizeUI = t,
                            e.appendChild(t.element)
                        }
                    }
                    Ke(Zf, Ue);
                    class Xf extends jl {
                        constructor() {
                            super();
                            const e = this.bindTemplate;
                            this.setTemplate({
                                tag: "div",
                                attributes: {
                                    class: ["ck", "ck-size-view", e.to("activeHandlePosition", e => e ? "ck-orientation-" + e : "")],
                                    style: {
                                        display: e.if("isVisible", "none", e => !e)
                                    }
                                },
                                children: [{
                                        text: e.to("label")
                                    }
                                ]
                            })
                        }
                        bindToState(e, t) {
                            this.bind("isVisible").to(t, "proposedWidth", t, "proposedHeight", (e, t) => null !== e && null !== t),
                            this.bind("label").to(t, "proposedHandleHostWidth", t, "proposedHandleHostHeight", t, "proposedWidthPercents", (t, i, n) => "px" === e.unit ? `${t}×${i}` : n + "%"),
                            this.bind("activeHandlePosition").to(t)
                        }
                        dismiss() {
                            this.unbind(),
                            this.isVisible = !1
                        }
                    }
                    i(71);
                    Ke(class extends Qe {
                        static get pluginName() {
                            return "WidgetResize"
                        }
                        init() {
                            this.set("visibleResizer", null),
                            this.set("_activeResizer", null),
                            this._resizers = new Map;
                            const e = _r.window.document;
                            this.editor.model.schema.setAttributeProperties("width", {
                                isFormatting: !0
                            }),
                            this.editor.editing.view.addObserver(ku),
                            this._observer = Object.create(Ir),
                            this.listenTo(this.editor.editing.view.document, "mousedown", this._mouseDownListener.bind(this), {
                                priority: "high"
                            }),
                            this._observer.listenTo(e, "mousemove", this._mouseMoveListener.bind(this)),
                            this._observer.listenTo(e, "mouseup", this._mouseUpListener.bind(this));
                            const t = () => {
                                this.visibleResizer && this.visibleResizer.redraw()
                            },
                            i = dh(t, 200);
                            this.on("change:visibleResizer", t),
                            this.editor.ui.on("update", i),
                            this._observer.listenTo(_r.window, "resize", i);
                            const n = this.editor.editing.view.document.selection;
                            n.on("change", () => {
                                const e = n.getSelectedElement();
                                this.visibleResizer = this.getResizerByViewElement(e) || null
                            })
                        }
                        destroy() {
                            this._observer.stopListening();
                            for (const e of this._resizers.values())
                                e.destroy()
                        }
                        attachTo(e) {
                            const t = new Zf(e),
                            i = this.editor.plugins;
                            if (t.attach(), i.has("WidgetToolbarRepository")) {
                                const e = i.get("WidgetToolbarRepository");
                                t.on("begin", () => {
                                    e.forceDisabled("resize")
                                }, {
                                    priority: "lowest"
                                }),
                                t.on("cancel", () => {
                                    e.clearForceDisabled("resize")
                                }, {
                                    priority: "highest"
                                }),
                                t.on("commit", () => {
                                    e.clearForceDisabled("resize")
                                }, {
                                    priority: "highest"
                                })
                            }
                            this._resizers.set(e.viewElement, t);
                            const n = this.editor.editing.view.document.selection.getSelectedElement();
                            return this.getResizerByViewElement(n) == t && (this.visibleResizer = t),
                            t
                        }
                        getResizerByViewElement(e) {
                            return this._resizers.get(e)
                        }
                        _getResizerByHandle(e) {
                            for (const t of this._resizers.values())
                                if (t.containsHandle(e))
                                    return t
                        }
                        _mouseDownListener(e, t) {
                            const i = t.domTarget;
                            Zf.isResizeHandle(i) && (this._activeResizer = this._getResizerByHandle(i), this._activeResizer && (this._activeResizer.begin(i), e.stop(), t.preventDefault()))
                        }
                        _mouseMoveListener(e, t) {
                            this._activeResizer && this._activeResizer.updateSize(t)
                        }
                        _mouseUpListener() {
                            this._activeResizer && (this._activeResizer.commit(), this._activeResizer = null)
                        }
                    }, Ue);
                    class eg extends Or {
                        observe(e) {
                            this.listenTo(e, "load", (e, t) => {
                                const i = t.target;
                                this.checkShouldIgnoreEventFromTarget(i) || "IMG" == i.tagName && this._fireEvents(t)
                            }, {
                                useCapture: !0
                            })
                        }
                        _fireEvents(e) {
                            this.isEnabled && (this.document.fire("layoutChanged"), this.document.fire("imageLoaded", e))
                        }
                    }
                    function tg(e) {
                        return !!e.getCustomProperty("image") && Fu(e)
                    }
                    function ig(e) {
                        const t = e.getSelectedElement();
                        return t && tg(t) ? t : null
                    }
                    function ng(e) {
                        return !!e && e.is("element", "image")
                    }
                    function og(e, t = {}, i = null) {
                        e.change(n => {
                            const o = n.createElement("image", t),
                            r = i || Gu(e.document.selection, e);
                            e.insertContent(o, r),
                            o.parent && n.setSelection(o, "on")
                        })
                    }
                    function rg(e) {
                        const t = e.schema,
                        i = e.document.selection;
                        return function (e, t, i) {
                            const n = function (e, t) {
                                const i = Gu(e, t).parent;
                                if (i.isEmpty && !i.is("element", "$root"))
                                    return i.parent;
                                return i
                            }
                            (e, i);
                            return t.checkChild(n, "image")
                        }
                        (i, t, e) && !Ku(i, t) && function (e) {
                            return [...e.focus.getAncestors()].every(e => !e.is("element", "image"))
                        }
                        (i)
                    }
                    function sg(e) {
                        const t = [];
                        for (const i of e.getChildren())
                            t.push(i), i.is("element") && t.push(...i.getChildren());
                        return t.find(e => e.is("element", "img"))
                    }
                    function ag(e) {
                        return i => {
                            i.on(`attribute:${e}:image`, t)
                        };
                        function t(e, t, i) {
                            if (!i.consumable.consume(t.item, e.name))
                                return;
                            const n = i.writer,
                            o = sg(i.mapper.toViewElement(t.item));
                            n.setAttribute(t.attributeKey, t.attributeNewValue || "", o)
                        }
                    }
                    class cg extends Ze {
                        refresh() {
                            this.isEnabled = rg(this.editor.model)
                        }
                        execute(e) {
                            const t = this.editor.model;
                            for (const i of en(e.source))
                                og(t, {
                                    src: i
                                })
                        }
                    }
                    class lg extends Qe {
                        static get pluginName() {
                            return "ImageEditing"
                        }
                        init() {
                            const e = this.editor,
                            t = e.model.schema,
                            i = e.t,
                            n = e.conversion;
                            e.editing.view.addObserver(eg),
                            t.register("image", {
                                isObject: !0,
                                isBlock: !0,
                                allowWhere: "$block",
                                allowAttributes: ["alt", "src", "srcset"]
                            }),
                            n.for("dataDowncast").elementToElement({
                                model: "image",
                                view: (e, {
                                    writer: t
                                }) => dg(t)
                            }),
                            n.for("editingDowncast").elementToElement({
                                model: "image",
                                view: (e, {
                                    writer: t
                                }) => function (e, t, i) {
                                    return t.setCustomProperty("image", !0, e),
                                    Hu(e, t, {
                                        label: function () {
                                            const t = sg(e).getAttribute("alt");
                                            return t ? `${t} ${i}` : i
                                        }
                                    })
                                }
                                (dg(t), t, i("image widget"))
                            }),
                            n.for("downcast").add(ag("src")).add(ag("alt")).add(function () {
                                return t => {
                                    t.on("attribute:srcset:image", e)
                                };
                                function e(e, t, i) {
                                    if (!i.consumable.consume(t.item, e.name))
                                        return;
                                    const n = i.writer,
                                    o = sg(i.mapper.toViewElement(t.item));
                                    if (null === t.attributeNewValue) {
                                        const e = t.attributeOldValue;
                                        e.data && (n.removeAttribute("srcset", o), n.removeAttribute("sizes", o), e.width && n.removeAttribute("width", o))
                                    } else {
                                        const e = t.attributeNewValue;
                                        e.data && (n.setAttribute("srcset", e.data, o), n.setAttribute("sizes", "100vw", o), e.width && n.setAttribute("width", e.width, o))
                                    }
                                }
                            }
                                ()),
                            n.for("upcast").elementToElement({
                                view: {
                                    name: "img",
                                    attributes: {
                                        src: !0
                                    }
                                },
                                model: (e, {
                                    writer: t
                                }) => t.createElement("image", {
                                    src: e.getAttribute("src")
                                })
                            }).attributeToAttribute({
                                view: {
                                    name: "img",
                                    key: "alt"
                                },
                                model: "alt"
                            }).attributeToAttribute({
                                view: {
                                    name: "img",
                                    key: "srcset"
                                },
                                model: {
                                    key: "srcset",
                                    value: e => {
                                        const t = {
                                            data: e.getAttribute("srcset")
                                        };
                                        return e.hasAttribute("width") && (t.width = e.getAttribute("width")),
                                        t
                                    }
                                }
                            }).add(function () {
                                return t => {
                                    t.on("element:figure", e)
                                };
                                function e(e, t, i) {
                                    if (!i.consumable.test(t.viewItem, {
                                            name: !0,
                                            classes: "image"
                                        }))
                                        return;
                                    const n = sg(t.viewItem);
                                    if (!n || !n.hasAttribute("src") || !i.consumable.test(n, {
                                            name: !0
                                        }))
                                        return;
                                    const o = Ns(i.convertItem(n, t.modelCursor).modelRange.getItems());
                                    o && (i.convertChildren(t.viewItem, o), i.updateConversionResult(o, t))
                                }
                            }
                                ());
                            const o = new cg(e);
                            e.commands.add("insertImage", o),
                            e.commands.add("imageInsert", o)
                        }
                    }
                    function dg(e) {
                        const t = e.createEmptyElement("img"),
                        i = e.createContainerElement("figure", {
                            class: "image"
                        });
                        return e.insert(e.createPositionAt(i, 0), t),
                        i
                    }
                    class ug extends Ze {
                        refresh() {
                            const e = this.editor.model.document.selection.getSelectedElement();
                            this.isEnabled = ng(e),
                            ng(e) && e.hasAttribute("alt") ? this.value = e.getAttribute("alt") : this.value = !1
                        }
                        execute(e) {
                            const t = this.editor.model,
                            i = t.document.selection.getSelectedElement();
                            t.change(t => {
                                t.setAttribute("alt", e.newValue, i)
                            })
                        }
                    }
                    class hg extends Qe {
                        static get pluginName() {
                            return "ImageTextAlternativeEditing"
                        }
                        init() {
                            this.editor.commands.add("imageTextAlternative", new ug(this.editor))
                        }
                    }
                    i(73),
                    i(7);
                    class fg extends jl {
                        constructor(e) {
                            super(e);
                            const t = this.locale.t;
                            this.focusTracker = new Rs,
                            this.keystrokes = new Os,
                            this.labeledInput = this._createLabeledInputView(),
                            this.saveButtonView = this._createButton(t("Save"), Cl, "ck-button-save"),
                            this.saveButtonView.type = "submit",
                            this.cancelButtonView = this._createButton(t("Cancel"), Al, "ck-button-cancel", "cancel"),
                            this._focusables = new Vl,
                            this._focusCycler = new dd({
                                focusables: this._focusables,
                                focusTracker: this.focusTracker,
                                keystrokeHandler: this.keystrokes,
                                actions: {
                                    focusPrevious: "shift + tab",
                                    focusNext: "tab"
                                }
                            }),
                            this.setTemplate({
                                tag: "form",
                                attributes: {
                                    class: ["ck", "ck-text-alternative-form", "ck-responsive-form"],
                                    tabindex: "-1"
                                },
                                children: [this.labeledInput, this.saveButtonView, this.cancelButtonView]
                            }),
                            Ll(this)
                        }
                        render() {
                            super.render(),
                            this.keystrokes.listenTo(this.element),
                            zl({
                                view: this
                            }),
                            [this.labeledInput, this.saveButtonView, this.cancelButtonView].forEach(e => {
                                this._focusables.add(e),
                                this.focusTracker.add(e.element)
                            })
                        }
                        _createButton(e, t, i, n) {
                            const o = new cd(this.locale);
                            return o.set({
                                label: e,
                                icon: t,
                                tooltip: !0
                            }),
                            o.extendTemplate({
                                attributes: {
                                    class: i
                                }
                            }),
                            n && o.delegate("execute").to(this, n),
                            o
                        }
                        _createLabeledInputView() {
                            const e = this.locale.t,
                            t = new jd(this.locale, Bd);
                            return t.label = e("Text alternative"),
                            t
                        }
                    }
                    function gg(e) {
                        const t = e.editing.view,
                        i = qd.defaultPositions;
                        return {
                            target: t.domConverter.viewToDom(t.document.selection.getSelectedElement()),
                            positions: [i.northArrowSouth, i.northArrowSouthWest, i.northArrowSouthEast, i.southArrowNorth, i.southArrowNorthWest, i.southArrowNorthEast]
                        }
                    }
                    class mg extends Qe {
                        static get requires() {
                            return [Qd]
                        }
                        static get pluginName() {
                            return "ImageTextAlternativeUI"
                        }
                        init() {
                            this._createButton(),
                            this._createForm()
                        }
                        destroy() {
                            super.destroy(),
                            this._form.destroy()
                        }
                        _createButton() {
                            const e = this.editor,
                            t = e.t;
                            e.ui.componentFactory.add("imageTextAlternative", i => {
                                const n = e.commands.get("imageTextAlternative"),
                                o = new cd(i);
                                return o.set({
                                    label: t("Change image text alternative"),
                                    icon: Tl,
                                    tooltip: !0
                                }),
                                o.bind("isEnabled").to(n, "isEnabled"),
                                this.listenTo(o, "execute", () => {
                                    this._showForm()
                                }),
                                o
                            })
                        }
                        _createForm() {
                            const e = this.editor,
                            t = e.editing.view.document;
                            this._balloon = this.editor.plugins.get("ContextualBalloon"),
                            this._form = new fg(e.locale),
                            this._form.render(),
                            this.listenTo(this._form, "submit", () => {
                                e.execute("imageTextAlternative", {
                                    newValue: this._form.labeledInput.fieldView.element.value
                                }),
                                this._hideForm(!0)
                            }),
                            this.listenTo(this._form, "cancel", () => {
                                this._hideForm(!0)
                            }),
                            this._form.keystrokes.set("Esc", (e, t) => {
                                this._hideForm(!0),
                                t()
                            }),
                            this.listenTo(e.ui, "update", () => {
                                ig(t.selection) ? this._isVisible && function (e) {
                                    const t = e.plugins.get("ContextualBalloon");
                                    if (ig(e.editing.view.document.selection)) {
                                        const i = gg(e);
                                        t.updatePosition(i)
                                    }
                                }
                                (e) : this._hideForm(!0)
                            }),
                            Dl({
                                emitter: this._form,
                                activator: () => this._isVisible,
                                contextElements: [this._balloon.view.element],
                                callback: () => this._hideForm()
                            })
                        }
                        _showForm() {
                            if (this._isVisible)
                                return;
                            const e = this.editor,
                            t = e.commands.get("imageTextAlternative"),
                            i = this._form.labeledInput;
                            this._form.disableCssTransitions(),
                            this._isInBalloon || this._balloon.add({
                                view: this._form,
                                position: gg(e)
                            }),
                            i.fieldView.value = i.fieldView.element.value = t.value || "",
                            this._form.labeledInput.fieldView.select(),
                            this._form.enableCssTransitions()
                        }
                        _hideForm(e) {
                            this._isInBalloon && (this._form.focusTracker.isFocused && this._form.saveButtonView.focus(), this._balloon.remove(this._form), e && this.editor.editing.view.focus())
                        }
                        get _isVisible() {
                            return this._balloon.visibleView === this._form
                        }
                        get _isInBalloon() {
                            return this._balloon.hasView(this._form)
                        }
                    }
                    class pg extends Qe {
                        static get requires() {
                            return [hg, mg]
                        }
                        static get pluginName() {
                            return "ImageTextAlternative"
                        }
                    }
                    i(76);
                    function bg(e) {
                        for (const t of e.getChildren())
                            if (t && t.is("element", "caption"))
                                return t;
                        return null
                    }
                    function wg(e) {
                        const t = e.parent;
                        return "figcaption" == e.name && t && "figure" == t.name && t.hasClass("image") ? {
                            name: !0
                        }
                         : null
                    }
                    class kg extends Qe {
                        static get pluginName() {
                            return "ImageCaptionEditing"
                        }
                        init() {
                            const e = this.editor,
                            t = e.editing.view,
                            i = e.model.schema,
                            n = e.data,
                            o = e.editing,
                            r = e.t;
                            i.register("caption", {
                                allowIn: "image",
                                allowContentOf: "$block",
                                isLimit: !0
                            }),
                            e.model.document.registerPostFixer(e => this._insertMissingModelCaptionElement(e)),
                            e.conversion.for("upcast").elementToElement({
                                view: wg,
                                model: "caption"
                            });
                            n.downcastDispatcher.on("insert:caption", _g(e => e.createContainerElement("figcaption"), !1));
                            const s = function (e, t) {
                                return i => {
                                    const n = i.createEditableElement("figcaption");
                                    return i.setCustomProperty("imageCaption", !0, n),
                                    iu({
                                        view: e,
                                        element: n,
                                        text: t
                                    }),
                                    Yu(n, i)
                                }
                            }
                            (t, r("Enter image caption"));
                            o.downcastDispatcher.on("insert:caption", _g(s)),
                            o.downcastDispatcher.on("insert", this._fixCaptionVisibility(e => e.item), {
                                priority: "high"
                            }),
                            o.downcastDispatcher.on("remove", this._fixCaptionVisibility(e => e.position.parent), {
                                priority: "high"
                            }),
                            t.document.registerPostFixer(e => this._updateCaptionVisibility(e))
                        }
                        _updateCaptionVisibility(e) {
                            const t = this.editor.editing.mapper,
                            i = this._lastSelectedCaption;
                            let n;
                            const o = this.editor.model.document.selection,
                            r = o.getSelectedElement();
                            if (r && r.is("element", "image")) {
                                const e = bg(r);
                                n = t.toViewElement(e)
                            }
                            const s = vg(o.getFirstPosition().parent);
                            if (s && (n = t.toViewElement(s)), n && !this.editor.isReadOnly)
                                return i ? (i === n || (yg(i, e), this._lastSelectedCaption = n), xg(n, e)) : (this._lastSelectedCaption = n, xg(n, e));
                            if (i) {
                                const t = yg(i, e);
                                return this._lastSelectedCaption = null,
                                t
                            }
                            return !1
                        }
                        _fixCaptionVisibility(e) {
                            return (t, i, n) => {
                                const o = vg(e(i)),
                                r = this.editor.editing.mapper,
                                s = n.writer;
                                if (o) {
                                    const e = r.toViewElement(o);
                                    e && (o.childCount ? s.removeClass("ck-hidden", e) : s.addClass("ck-hidden", e))
                                }
                            }
                        }
                        _insertMissingModelCaptionElement(e) {
                            const t = this.editor.model,
                            i = t.document.differ.getChanges(),
                            n = [];
                            for (const e of i)
                                if ("insert" == e.type && "$text" != e.name) {
                                    const i = e.position.nodeAfter;
                                    if (i.is("element", "image") && !bg(i) && n.push(i), !i.is("element", "image") && i.childCount)
                                        for (const e of t.createRangeIn(i).getItems())
                                            e.is("element", "image") && !bg(e) && n.push(e)
                                }
                            for (const t of n)
                                e.appendElement("caption", t);
                            return !!n.length
                        }
                    }
                    function _g(e, t = !0) {
                        return (i, n, o) => {
                            const r = n.item;
                            if ((r.childCount || t) && ng(r.parent)) {
                                if (!o.consumable.consume(n.item, "insert"))
                                    return;
                                const t = o.mapper.toViewElement(n.range.start.parent),
                                i = e(o.writer),
                                s = o.writer;
                                r.childCount || s.addClass("ck-hidden", i),
                                function (e, t, i, n) {
                                    const o = n.writer.createPositionAt(i, "end");
                                    n.writer.insert(o, e),
                                    n.mapper.bindElements(t, e)
                                }
                                (i, n.item, t, o)
                            }
                        }
                    }
                    function vg(e) {
                        const t = e.getAncestors({
                            includeSelf: !0
                        }).find(e => "caption" == e.name);
                        return t && t.parent && "image" == t.parent.name ? t : null
                    }
                    function yg(e, t) {
                        return !e.childCount && !e.hasClass("ck-hidden") && (t.addClass("ck-hidden", e), !0)
                    }
                    function xg(e, t) {
                        return !!e.hasClass("ck-hidden") && (t.removeClass("ck-hidden", e), !0)
                    }
                    i(78);
                    class Ag extends Ze {
                        constructor(e, t) {
                            super(e),
                            this.defaultStyle = !1,
                            this.styles = t.reduce((e, t) => (e[t.name] = t, t.isDefault && (this.defaultStyle = t.name), e), {})
                        }
                        refresh() {
                            const e = this.editor.model.document.selection.getSelectedElement();
                            if (this.isEnabled = ng(e), e)
                                if (e.hasAttribute("imageStyle")) {
                                    const t = e.getAttribute("imageStyle");
                                    this.value = !!this.styles[t] && t
                                } else
                                    this.value = this.defaultStyle;
                            else
                                this.value = !1
                        }
                        execute(e) {
                            const t = e.value,
                            i = this.editor.model,
                            n = i.document.selection.getSelectedElement();
                            i.change(e => {
                                this.styles[t].isDefault ? e.removeAttribute("imageStyle", n) : e.setAttribute("imageStyle", t, n)
                            })
                        }
                    }
                    function Cg(e, t) {
                        for (const i of t)
                            if (i.name === e)
                                return i
                    }
                    const Tg = {
                        full: {
                            name: "full",
                            title: "Full size image",
                            icon: Il,
                            isDefault: !0
                        },
                        side: {
                            name: "side",
                            title: "Side image",
                            icon: Ml,
                            className: "image-style-side"
                        },
                        alignLeft: {
                            name: "alignLeft",
                            title: "Left aligned image",
                            icon: Pl,
                            className: "image-style-align-left"
                        },
                        alignCenter: {
                            name: "alignCenter",
                            title: "Centered image",
                            icon: Sl,
                            className: "image-style-align-center"
                        },
                        alignRight: {
                            name: "alignRight",
                            title: "Right aligned image",
                            icon: Ml,
                            className: "image-style-align-right"
                        }
                    },
                    Eg = {
                        full: Il,
                        left: Pl,
                        right: Ml,
                        center: Sl
                    };
                    function Pg(e = []) {
                        return e.map(Sg)
                    }
                    function Sg(e) {
                        if ("string" == typeof e) {
                            const t = e;
                            Tg[t] ? e = Object.assign({}, Tg[t]) : (Object(c.b)("image-style-not-found", {
                                        name: t
                                    }), e = {
                                        name: t
                                    })
                        } else if (Tg[e.name]) {
                            const t = Tg[e.name],
                            i = Object.assign({}, e);
                            for (const n in t)
                                Object.prototype.hasOwnProperty.call(e, n) || (i[n] = t[n]);
                            e = i
                        }
                        return "string" == typeof e.icon && Eg[e.icon] && (e.icon = Eg[e.icon]),
                        e
                    }
                    class Mg extends Qe {
                        static get pluginName() {
                            return "ImageStyleEditing"
                        }
                        init() {
                            const e = this.editor,
                            t = e.model.schema,
                            i = e.data,
                            n = e.editing;
                            e.config.define("image.styles", ["full", "side"]);
                            const o = Pg(e.config.get("image.styles"));
                            t.extend("image", {
                                allowAttributes: "imageStyle"
                            });
                            const r = function (e) {
                                return (t, i, n) => {
                                    if (!n.consumable.consume(i.item, t.name))
                                        return;
                                    const o = Cg(i.attributeNewValue, e),
                                    r = Cg(i.attributeOldValue, e),
                                    s = n.mapper.toViewElement(i.item),
                                    a = n.writer;
                                    r && a.removeClass(r.className, s),
                                    o && a.addClass(o.className, s)
                                }
                            }
                            (o);
                            n.downcastDispatcher.on("attribute:imageStyle:image", r),
                            i.downcastDispatcher.on("attribute:imageStyle:image", r),
                            i.upcastDispatcher.on("element:figure", function (e) {
                                const t = e.filter(e => !e.isDefault);
                                return (e, i, n) => {
                                    if (!i.modelRange)
                                        return;
                                    const o = i.viewItem,
                                    r = Ns(i.modelRange.getItems());
                                    if (!r || n.schema.checkAttribute(r, "imageStyle"))
                                        for (const e of t)
                                            n.consumable.consume(o, {
                                                classes: e.className
                                            }) && n.writer.setAttribute("imageStyle", e.name, r)
                                }
                            }
                                (o), {
                                priority: "low"
                            }),
                            e.commands.add("imageStyle", new Ag(e, o))
                        }
                    }
                    i(80);
                    class Ig extends Qe {
                        static get pluginName() {
                            return "ImageStyleUI"
                        }
                        get localizedDefaultStylesTitles() {
                            const e = this.editor.t;
                            return {
                                "Full size image": e("Full size image"),
                                "Side image": e("Side image"),
                                "Left aligned image": e("Left aligned image"),
                                "Centered image": e("Centered image"),
                                "Right aligned image": e("Right aligned image")
                            }
                        }
                        init() {
                            const e = function (e, t) {
                                for (const i of e)
                                    t[i.title] && (i.title = t[i.title]);
                                return e
                            }
                            (Pg(this.editor.config.get("image.styles")), this.localizedDefaultStylesTitles);
                            for (const t of e)
                                this._createButton(t)
                        }
                        _createButton(e) {
                            const t = this.editor,
                            i = "imageStyle:" + e.name;
                            t.ui.componentFactory.add(i, i => {
                                const n = t.commands.get("imageStyle"),
                                o = new cd(i);
                                return o.set({
                                    label: e.title,
                                    icon: e.icon,
                                    tooltip: !0,
                                    isToggleable: !0
                                }),
                                o.bind("isEnabled").to(n, "isEnabled"),
                                o.bind("isOn").to(n, "value", t => t === e.name),
                                this.listenTo(o, "execute", () => {
                                    t.execute("imageStyle", {
                                        value: e.name
                                    }),
                                    t.editing.view.focus()
                                }),
                                o
                            })
                        }
                    }
                    function Ng(e) {
                        const t = e.map(e => e.replace("+", "\\+"));
                        return new RegExp(`^image\\/(${t.join("|")})$`)
                    }
                    function Rg(e) {
                        return new Promise((t, i) => {
                            const n = e.getAttribute("src");
                            fetch(n).then(e => e.blob()).then(e => {
                                const i = Og(e, n),
                                o = i.replace("image/", ""),
                                r = new File([e], "image." + o, {
                                    type: i
                                });
                                t(r)
                            }).catch(e => e && "TypeError" === e.name ? function (e) {
                                return function (e) {
                                    return new Promise((t, i) => {
                                        const n = _r.document.createElement("img");
                                        n.addEventListener("load", () => {
                                            const e = _r.document.createElement("canvas");
                                            e.width = n.width,
                                            e.height = n.height;
                                            e.getContext("2d").drawImage(n, 0, 0),
                                            e.toBlob(e => e ? t(e) : i())
                                        }),
                                        n.addEventListener("error", () => i()),
                                        n.src = e
                                    })
                                }
                                (e).then(t => {
                                    const i = Og(t, e),
                                    n = i.replace("image/", "");
                                    return new File([t], "image." + n, {
                                        type: i
                                    })
                                })
                            }
                                (n).then(t).catch(i) : i(e))
                        })
                    }
                    function Og(e, t) {
                        return e.type ? e.type : t.match(/data:(image\/\w+);base64/) ? t.match(/data:(image\/\w+);base64/)[1].toLowerCase() : "image/jpeg"
                    }
                    class Dg extends Qe {
                        static get pluginName() {
                            return "ImageUploadUI"
                        }
                        init() {
                            const e = this.editor,
                            t = e.t,
                            i = i => {
                                const n = new mf(i),
                                o = e.commands.get("uploadImage"),
                                r = e.config.get("image.upload.types"),
                                s = Ng(r);
                                return n.set({
                                    acceptedType: r.map(e => "image/" + e).join(","),
                                    allowMultipleFiles: !0
                                }),
                                n.buttonView.set({
                                    label: t("Insert image"),
                                    icon: El,
                                    tooltip: !0
                                }),
                                n.buttonView.bind("isEnabled").to(o),
                                n.on("done", (t, i) => {
                                    const n = Array.from(i).filter(e => s.test(e.type));
                                    n.length && e.execute("uploadImage", {
                                        file: n
                                    })
                                }),
                                n
                            };
                            e.ui.componentFactory.add("uploadImage", i),
                            e.ui.componentFactory.add("imageUpload", i)
                        }
                    }
                    i(82),
                    i(84),
                    i(86);
                    class Lg extends Qe {
                        static get pluginName() {
                            return "ImageUploadProgress"
                        }
                        constructor(e) {
                            super(e),
                            this.placeholder = "data:image/svg+xml;utf8," + encodeURIComponent('<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 700 250"><rect rx="4"/></svg>')
                        }
                        init() {
                            this.editor.editing.downcastDispatcher.on("attribute:uploadStatus:image", (...e) => this.uploadStatusChange(...e))
                        }
                        uploadStatusChange(e, t, i) {
                            const n = this.editor,
                            o = t.item,
                            r = o.getAttribute("uploadId");
                            if (!i.consumable.consume(t.item, e.name))
                                return;
                            const s = n.plugins.get(ff),
                            a = r ? t.attributeNewValue : null,
                            c = this.placeholder,
                            l = n.editing.mapper.toViewElement(o),
                            d = i.writer;
                            if ("reading" == a)
                                return zg(l, d), void Vg(c, l, d);
                            if ("uploading" == a) {
                                const e = s.loaders.get(r);
                                return zg(l, d),
                                void(e ? (jg(l, d), function (e, t, i, n) {
                                        const o = function (e) {
                                            const t = e.createUIElement("div", {
                                                class: "ck-progress-bar"
                                            });
                                            return e.setCustomProperty("progressBar", !0, t),
                                            t
                                        }
                                        (t);
                                        t.insert(t.createPositionAt(e, "end"), o),
                                        i.on("change:uploadedPercent", (e, t, i) => {
                                            n.change(e => {
                                                e.setStyle("width", i + "%", o)
                                            })
                                        })
                                    }
                                        (l, d, e, n.editing.view), function (e, t, i) {
                                        if (i.data) {
                                            const n = sg(e);
                                            t.setAttribute("src", i.data, n)
                                        }
                                    }
                                        (l, d, e)) : Vg(c, l, d))
                            }
                            "complete" == a && s.loaders.get(r) && function (e, t, i) {
                                const n = t.createUIElement("div", {
                                    class: "ck-image-upload-complete-icon"
                                });
                                t.insert(t.createPositionAt(e, "end"), n),
                                setTimeout(() => {
                                    i.change(e => e.remove(e.createRangeOn(n)))
                                }, 3e3)
                            }
                            (l, d, n.editing.view),
                            function (e, t) {
                                Fg(e, t, "progressBar")
                            }
                            (l, d),
                            jg(l, d),
                            function (e, t) {
                                t.removeClass("ck-appear", e)
                            }
                            (l, d)
                        }
                    }
                    function zg(e, t) {
                        e.hasClass("ck-appear") || t.addClass("ck-appear", e)
                    }
                    function Vg(e, t, i) {
                        t.hasClass("ck-image-upload-placeholder") || i.addClass("ck-image-upload-placeholder", t);
                        const n = sg(t);
                        n.getAttribute("src") !== e && i.setAttribute("src", e, n),
                        Bg(t, "placeholder") || i.insert(i.createPositionAfter(n), function (e) {
                            const t = e.createUIElement("div", {
                                class: "ck-upload-placeholder-loader"
                            });
                            return e.setCustomProperty("placeholder", !0, t),
                            t
                        }
                            (i))
                    }
                    function jg(e, t) {
                        e.hasClass("ck-image-upload-placeholder") && t.removeClass("ck-image-upload-placeholder", e),
                        Fg(e, t, "placeholder")
                    }
                    function Bg(e, t) {
                        for (const i of e.getChildren())
                            if (i.getCustomProperty(t))
                                return i
                    }
                    function Fg(e, t, i) {
                        const n = Bg(e, i);
                        n && t.remove(t.createRangeOn(n))
                    }
                    class Hg extends Ze {
                        refresh() {
                            const e = this.editor.model.document.selection.getSelectedElement(),
                            t = e && "image" === e.name || !1;
                            this.isEnabled = rg(this.editor.model) || t
                        }
                        execute(e) {
                            const t = this.editor,
                            i = t.model,
                            n = t.plugins.get(ff);
                            for (const t of en(e.file))
                                Ug(i, n, t)
                        }
                    }
                    function Ug(e, t, i) {
                        const n = t.createLoader(i);
                        n && og(e, {
                            uploadId: n.id
                        })
                    }
                    class Wg extends Qe {
                        static get requires() {
                            return [ff, Fd, Eu]
                        }
                        static get pluginName() {
                            return "ImageUploadEditing"
                        }
                        constructor(e) {
                            super(e),
                            e.config.define("image", {
                                upload: {
                                    types: ["jpeg", "png", "gif", "bmp", "webp", "tiff"]
                                }
                            })
                        }
                        init() {
                            const e = this.editor,
                            t = e.model.document,
                            i = e.model.schema,
                            n = e.conversion,
                            o = e.plugins.get(ff),
                            r = Ng(e.config.get("image.upload.types"));
                            i.extend("image", {
                                allowAttributes: ["uploadId", "uploadStatus"]
                            });
                            const s = new Hg(e);
                            e.commands.add("uploadImage", s),
                            e.commands.add("imageUpload", s),
                            n.for("upcast").attributeToAttribute({
                                view: {
                                    name: "img",
                                    key: "uploadId"
                                },
                                model: "uploadId"
                            }),
                            this.listenTo(e.editing.view.document, "clipboardInput", (t, i) => {
                                if (n = i.dataTransfer, Array.from(n.types).includes("text/html") && "" !== n.getData("text/html"))
                                    return;
                                var n;
                                const o = Array.from(i.dataTransfer.files).filter(e => !!e && r.test(e.type));
                                o.length && (t.stop(), e.model.change(t => {
                                        i.targetRanges && t.setSelection(i.targetRanges.map(t => e.editing.mapper.toModelRange(t))),
                                        e.model.enqueueChange("default", () => {
                                            e.execute("uploadImage", {
                                                file: o
                                            })
                                        })
                                    }))
                            }),
                            this.listenTo(e.plugins.get("ClipboardPipeline"), "inputTransformation", (t, i) => {
                                const n = Array.from(e.editing.view.createRangeIn(i.content)).filter(e => {
                                    return !(!(t = e.item).is("element", "img") || !t.getAttribute("src")) && (t.getAttribute("src").match(/^data:image\/\w+;base64,/g) || t.getAttribute("src").match(/^blob:/g)) && !e.item.getAttribute("uploadProcessed");
                                    var t
                                }).map(e => ({
                                            promise: Rg(e.item),
                                            imageElement: e.item
                                        }));
                                if (!n.length)
                                    return;
                                const r = new _u(e.editing.view.document);
                                for (const e of n) {
                                    r.setAttribute("uploadProcessed", !0, e.imageElement);
                                    const t = o.createLoader(e.promise);
                                    t && (r.setAttribute("src", "", e.imageElement), r.setAttribute("uploadId", t.id, e.imageElement))
                                }
                            }),
                            e.editing.view.document.on("dragover", (e, t) => {
                                t.preventDefault()
                            }),
                            t.on("change", () => {
                                const i = t.differ.getChanges({
                                    includeChangesInGraveyard: !0
                                });
                                for (const t of i)
                                    if ("insert" == t.type && "$text" != t.name) {
                                        const i = t.position.nodeAfter,
                                        n = "$graveyard" == t.position.root.rootName;
                                        for (const t of qg(e, i)) {
                                            const e = t.getAttribute("uploadId");
                                            if (!e)
                                                continue;
                                            const i = o.loaders.get(e);
                                            i && (n ? i.abort() : "idle" == i.status && this._readAndUpload(i, t))
                                        }
                                    }
                            }),
                            this.on("uploadComplete", (e, {
                                    imageElement: t,
                                    data: i
                                }) => {
                                const n = i.urls ? i.urls : i;
                                this.editor.model.change(e => {
                                    e.setAttribute("src", n.default, t),
                                    this._parseAndSetSrcsetAttributeOnImage(n, t, e)
                                })
                            }, {
                                priority: "low"
                            })
                        }
                        _readAndUpload(e, t) {
                            const i = this.editor,
                            n = i.model,
                            o = i.locale.t,
                            r = i.plugins.get(ff),
                            s = i.plugins.get(Fd);
                            return n.enqueueChange("transparent", e => {
                                e.setAttribute("uploadStatus", "reading", t)
                            }),
                            e.read().then(() => {
                                const o = e.upload();
                                if (Po.isSafari) {
                                    const e = sg(i.editing.mapper.toViewElement(t));
                                    i.editing.view.once("render", () => {
                                        if (!e.parent)
                                            return;
                                        const t = i.editing.view.domConverter.mapViewToDom(e.parent);
                                        if (!t)
                                            return;
                                        const n = t.style.display;
                                        t.style.display = "none",
                                        t._ckHack = t.offsetHeight,
                                        t.style.display = n
                                    })
                                }
                                return n.enqueueChange("transparent", e => {
                                    e.setAttribute("uploadStatus", "uploading", t)
                                }),
                                o
                            }).then(e => {
                                n.enqueueChange("transparent", i => {
                                    i.setAttribute("uploadStatus", "complete", t),
                                    this.fire("uploadComplete", {
                                        data: e,
                                        imageElement: t
                                    })
                                }),
                                a()
                            }).catch(i => {
                                if ("error" !== e.status && "aborted" !== e.status)
                                    throw i;
                                "error" == e.status && i && s.showWarning(i, {
                                    title: o("Upload failed"),
                                    namespace: "upload"
                                }),
                                a(),
                                n.enqueueChange("transparent", e => {
                                    e.remove(t)
                                })
                            });
                            function a() {
                                n.enqueueChange("transparent", e => {
                                    e.removeAttribute("uploadId", t),
                                    e.removeAttribute("uploadStatus", t)
                                }),
                                r.destroyLoader(e)
                            }
                        }
                        _parseAndSetSrcsetAttributeOnImage(e, t, i) {
                            let n = 0;
                            const o = Object.keys(e).filter(e => {
                                const t = parseInt(e, 10);
                                if (!isNaN(t))
                                    return n = Math.max(n, t), !0
                            }).map(t => `${e[t]} ${t}w`).join(", ");
                            "" != o && i.setAttribute("srcset", {
                                data: o,
                                width: n
                            }, t)
                        }
                    }
                    function qg(e, t) {
                        return Array.from(e.model.createRangeOn(t)).filter(e => e.item.is("element", "image")).map(e => e.item)
                    }
                    class $g extends Qe {
                        static get pluginName() {
                            return "IndentEditing"
                        }
                        init() {
                            const e = this.editor;
                            e.commands.add("indent", new et(e)),
                            e.commands.add("outdent", new et(e))
                        }
                    }
                    var Yg = '<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2 3.75c0 .414.336.75.75.75h14.5a.75.75 0 1 0 0-1.5H2.75a.75.75 0 0 0-.75.75zm5 6c0 .414.336.75.75.75h9.5a.75.75 0 1 0 0-1.5h-9.5a.75.75 0 0 0-.75.75zM2.75 16.5h14.5a.75.75 0 1 0 0-1.5H2.75a.75.75 0 1 0 0 1.5zM1.632 6.95 5.02 9.358a.4.4 0 0 1-.013.661l-3.39 2.207A.4.4 0 0 1 1 11.892V7.275a.4.4 0 0 1 .632-.326z"/></svg>',
                    Gg = '<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2 3.75c0 .414.336.75.75.75h14.5a.75.75 0 1 0 0-1.5H2.75a.75.75 0 0 0-.75.75zm5 6c0 .414.336.75.75.75h9.5a.75.75 0 1 0 0-1.5h-9.5a.75.75 0 0 0-.75.75zM2.75 16.5h14.5a.75.75 0 1 0 0-1.5H2.75a.75.75 0 1 0 0 1.5zm1.618-9.55L.98 9.358a.4.4 0 0 0 .013.661l3.39 2.207A.4.4 0 0 0 5 11.892V7.275a.4.4 0 0 0-.632-.326z"/></svg>';
                    class Kg extends Qe {
                        static get pluginName() {
                            return "IndentUI"
                        }
                        init() {
                            const e = this.editor,
                            t = e.locale,
                            i = e.t,
                            n = "ltr" == t.uiLanguageDirection ? Yg : Gg,
                            o = "ltr" == t.uiLanguageDirection ? Gg : Yg;
                            this._defineButton("indent", i("Increase indent"), n),
                            this._defineButton("outdent", i("Decrease indent"), o)
                        }
                        _defineButton(e, t, i) {
                            const n = this.editor;
                            n.ui.componentFactory.add(e, o => {
                                const r = n.commands.get(e),
                                s = new cd(o);
                                return s.set({
                                    label: t,
                                    icon: i,
                                    tooltip: !0
                                }),
                                s.bind("isOn", "isEnabled").to(r, "value", "isEnabled"),
                                this.listenTo(s, "execute", () => {
                                    n.execute(e),
                                    n.editing.view.focus()
                                }),
                                s
                            })
                        }
                    }
                    class Qg {
                        constructor() {
                            this._definitions = new Set
                        }
                        get length() {
                            return this._definitions.size
                        }
                        add(e) {
                            Array.isArray(e) ? e.forEach(e => this._definitions.add(e)) : this._definitions.add(e)
                        }
                        getDispatcher() {
                            return e => {
                                e.on("attribute:linkHref", (e, t, i) => {
                                    if (!i.consumable.test(t.item, "attribute:linkHref"))
                                        return;
                                    const n = i.writer,
                                    o = n.document.selection;
                                    for (const e of this._definitions) {
                                        const r = n.createAttributeElement("a", e.attributes, {
                                            priority: 5
                                        });
                                        n.setCustomProperty("link", !0, r),
                                        e.callback(t.attributeNewValue) ? t.item.is("selection") ? n.wrap(o.getFirstRange(), r) : n.wrap(i.mapper.toViewRange(t.range), r) : n.unwrap(i.mapper.toViewRange(t.range), r)
                                    }
                                }, {
                                    priority: "high"
                                })
                            }
                        }
                        getDispatcherForLinkedImage() {
                            return e => {
                                e.on("attribute:linkHref:image", (e, t, i) => {
                                    const n = i.mapper.toViewElement(t.item),
                                    o = Array.from(n.getChildren()).find(e => "a" === e.name);
                                    for (const e of this._definitions) {
                                        const n = fn(e.attributes);
                                        if (e.callback(t.attributeNewValue))
                                            for (const[e, t]of n)
                                                "class" === e ? i.writer.addClass(t, o) : i.writer.setAttribute(e, t, o);
                                        else
                                            for (const[e, t]of n)
                                                "class" === e ? i.writer.removeClass(t, o) : i.writer.removeAttribute(e, o)
                                    }
                                })
                            }
                        }
                    }
                    var Jg = function (e, t, i) {
                        var n = e.length;
                        return i = void 0 === i ? n : i,
                        !t && i >= n ? e : On(e, t, i)
                    },
                    Zg = RegExp("[\\u200d\\ud800-\\udfff\\u0300-\\u036f\\ufe20-\\ufe2f\\u20d0-\\u20ff\\ufe0e\\ufe0f]");
                    var Xg = function (e) {
                        return Zg.test(e)
                    };
                    var em = function (e) {
                        return e.split("")
                    },
                    tm = "[\\ud800-\\udfff]",
                    im = "[\\u0300-\\u036f\\ufe20-\\ufe2f\\u20d0-\\u20ff]",
                    nm = "\\ud83c[\\udffb-\\udfff]",
                    om = "[^\\ud800-\\udfff]",
                    rm = "(?:\\ud83c[\\udde6-\\uddff]){2}",
                    sm = "[\\ud800-\\udbff][\\udc00-\\udfff]",
                    am = "(?:" + im + "|" + nm + ")" + "?",
                    cm = "[\\ufe0e\\ufe0f]?" + am + ("(?:\\u200d(?:" + [om, rm, sm].join("|") + ")[\\ufe0e\\ufe0f]?" + am + ")*"),
                    lm = "(?:" + [om + im + "?", im, rm, sm, tm].join("|") + ")",
                    dm = RegExp(nm + "(?=" + nm + ")|" + lm + cm, "g");
                    var um = function (e) {
                        return e.match(dm) || []
                    };
                    var hm = function (e) {
                        return Xg(e) ? um(e) : em(e)
                    };
                    var fm = function (e) {
                        return function (t) {
                            t = Sn(t);
                            var i = Xg(t) ? hm(t) : void 0,
                            n = i ? i[0] : t.charAt(0),
                            o = i ? Jg(i, 1).join("") : t.slice(1);
                            return n[e]() + o
                        }
                    }
                    ("toUpperCase");
                    const gm = /[\u0000-\u0020\u00A0\u1680\u180E\u2000-\u2029\u205f\u3000]/g,
                    mm = /^(?:(?:https?|ftps?|mailto):|[^a-z]|[a-z+.-]+(?:[^a-z+.:-]|$))/i,
                    pm = /^[\S]+@((?![-_])(?:[-\w\u00a1-\uffff]{0,63}[^-_]\.))+(?:[a-z\u00a1-\uffff]{2,})$/i,
                    bm = /^((\w+:(\/{2,})?)|(\W))/i;
                    function wm(e, {
                        writer: t
                    }) {
                        const i = t.createAttributeElement("a", {
                            href: e
                        }, {
                            priority: 5
                        });
                        return t.setCustomProperty("link", !0, i),
                        i
                    }
                    function km(e) {
                        return function (e) {
                            return e.replace(gm, "").match(mm)
                        }
                        (e = String(e)) ? e : "#"
                    }
                    function _m(e, t) {
                        return !!e && (e.is("element", "image") && t.checkAttribute("image", "linkHref"))
                    }
                    function vm(e, t) {
                        const i = (n = e, pm.test(n) ? "mailto:" : t);
                        var n;
                        const o = !!i && !bm.test(e);
                        return e && o ? i + e : e
                    }
                    class ym extends Ze {
                        constructor(e) {
                            super(e),
                            this.manualDecorators = new Zi,
                            this.automaticDecorators = new Qg
                        }
                        restoreManualDecoratorStates() {
                            for (const e of this.manualDecorators)
                                e.value = this._getDecoratorStateFromModel(e.id)
                        }
                        refresh() {
                            const e = this.editor.model,
                            t = e.document,
                            i = Ns(t.selection.getSelectedBlocks());
                            _m(i, e.schema) ? (this.value = i.getAttribute("linkHref"), this.isEnabled = e.schema.checkAttribute(i, "linkHref")) : (this.value = t.selection.getAttribute("linkHref"), this.isEnabled = e.schema.checkAttributeInSelection(t.selection, "linkHref"));
                            for (const e of this.manualDecorators)
                                e.value = this._getDecoratorStateFromModel(e.id)
                        }
                        execute(e, t = {}) {
                            const i = this.editor.model,
                            n = i.document.selection,
                            o = [],
                            r = [];
                            for (const e in t)
                                t[e] ? o.push(e) : r.push(e);
                            i.change(t => {
                                if (n.isCollapsed) {
                                    const s = n.getFirstPosition();
                                    if (n.hasAttribute("linkHref")) {
                                        const a = Xh(s, "linkHref", n.getAttribute("linkHref"), i);
                                        t.setAttribute("linkHref", e, a),
                                        o.forEach(e => {
                                            t.setAttribute(e, !0, a)
                                        }),
                                        r.forEach(e => {
                                            t.removeAttribute(e, a)
                                        }),
                                        t.setSelection(t.createPositionAfter(a.end.nodeBefore))
                                    } else if ("" !== e) {
                                        const r = fn(n.getAttributes());
                                        r.set("linkHref", e),
                                        o.forEach(e => {
                                            r.set(e, !0)
                                        });
                                        const {
                                            end: a
                                        } = i.insertContent(t.createText(e, r), s);
                                        t.setSelection(a)
                                    }
                                    ["linkHref", ...o, ...r].forEach(e => {
                                        t.removeSelectionAttribute(e)
                                    })
                                } else {
                                    const s = i.schema.getValidRanges(n.getRanges(), "linkHref"),
                                    a = [];
                                    for (const e of n.getSelectedBlocks())
                                        i.schema.checkAttribute(e, "linkHref") && a.push(t.createRangeOn(e));
                                    const c = a.slice();
                                    for (const e of s)
                                        this._isRangeToUpdate(e, a) && c.push(e);
                                    for (const i of c)
                                        t.setAttribute("linkHref", e, i), o.forEach(e => {
                                            t.setAttribute(e, !0, i)
                                        }), r.forEach(e => {
                                            t.removeAttribute(e, i)
                                        })
                                }
                            })
                        }
                        _getDecoratorStateFromModel(e) {
                            const t = this.editor.model,
                            i = t.document,
                            n = Ns(i.selection.getSelectedBlocks());
                            return _m(n, t.schema) ? n.getAttribute(e) : i.selection.getAttribute(e)
                        }
                        _isRangeToUpdate(e, t) {
                            for (const i of t)
                                if (i.containsRange(e))
                                    return !1;
                            return !0
                        }
                    }
                    class xm extends Ze {
                        refresh() {
                            const e = this.editor.model,
                            t = e.document,
                            i = Ns(t.selection.getSelectedBlocks());
                            _m(i, e.schema) ? this.isEnabled = e.schema.checkAttribute(i, "linkHref") : this.isEnabled = e.schema.checkAttributeInSelection(t.selection, "linkHref")
                        }
                        execute() {
                            const e = this.editor,
                            t = this.editor.model,
                            i = t.document.selection,
                            n = e.commands.get("link");
                            t.change(e => {
                                const o = i.isCollapsed ? [Xh(i.getFirstPosition(), "linkHref", i.getAttribute("linkHref"), t)] : t.schema.getValidRanges(i.getRanges(), "linkHref");
                                for (const t of o)
                                    if (e.removeAttribute("linkHref", t), n)
                                        for (const i of n.manualDecorators)
                                            e.removeAttribute(i.id, t)
                            })
                        }
                    }
                    class Am {
                        constructor({
                            id: e,
                            label: t,
                            attributes: i,
                            defaultValue: n
                        }) {
                            this.id = e,
                            this.set("value"),
                            this.defaultValue = n,
                            this.label = t,
                            this.attributes = i
                        }
                    }
                    Ke(Am, Ue);
                    i(88);
                    const Cm = /^(https?:)?\/\//;
                    class Tm extends Qe {
                        static get pluginName() {
                            return "LinkEditing"
                        }
                        static get requires() {
                            return [Vh, Oh, Eu]
                        }
                        constructor(e) {
                            super(e),
                            e.config.define("link", {
                                addTargetToExternalLinks: !1
                            })
                        }
                        init() {
                            const e = this.editor;
                            e.model.schema.extend("$text", {
                                allowAttributes: "linkHref"
                            }),
                            e.conversion.for("dataDowncast").attributeToElement({
                                model: "linkHref",
                                view: wm
                            }),
                            e.conversion.for("editingDowncast").attributeToElement({
                                model: "linkHref",
                                view: (e, t) => wm(km(e), t)
                            }),
                            e.conversion.for("upcast").elementToAttribute({
                                view: {
                                    name: "a",
                                    attributes: {
                                        href: !0
                                    }
                                },
                                model: {
                                    key: "linkHref",
                                    value: e => e.getAttribute("href")
                                }
                            }),
                            e.commands.add("link", new ym(e)),
                            e.commands.add("unlink", new xm(e));
                            const t = function (e, t) {
                                const i = {
                                    "Open in a new tab": e("Open in a new tab"),
                                    Downloadable: e("Downloadable")
                                };
                                return t.forEach(e => (e.label && i[e.label] && (e.label = i[e.label]), e)),
                                t
                            }
                            (e.t, function (e) {
                                const t = [];
                                if (e)
                                    for (const[i, n]of Object.entries(e)) {
                                        const e = Object.assign({}, n, {
                                            id: "link" + fm(i)
                                        });
                                        t.push(e)
                                    }
                                return t
                            }
                                (e.config.get("link.decorators")));
                            this._enableAutomaticDecorators(t.filter(e => "automatic" === e.mode)),
                            this._enableManualDecorators(t.filter(e => "manual" === e.mode));
                            e.plugins.get(Vh).registerAttribute("linkHref"),
                            function (e, t, i, n) {
                                const o = e.editing.view,
                                r = new Set;
                                o.document.registerPostFixer(o => {
                                    const s = e.model.document.selection;
                                    let a = !1;
                                    if (s.hasAttribute(t)) {
                                        const c = Xh(s.getFirstPosition(), t, s.getAttribute(t), e.model),
                                        l = e.editing.mapper.toViewRange(c);
                                        for (const e of l.getItems())
                                            e.is("element", i) && !e.hasClass(n) && (o.addClass(n, e), r.add(e), a = !0)
                                    }
                                    return a
                                }),
                                e.conversion.for("editingDowncast").add(e => {
                                    function t() {
                                        o.change(e => {
                                            for (const t of r.values())
                                                e.removeClass(n, t), r.delete(t)
                                        })
                                    }
                                    e.on("insert", t, {
                                        priority: "highest"
                                    }),
                                    e.on("remove", t, {
                                        priority: "highest"
                                    }),
                                    e.on("attribute", t, {
                                        priority: "highest"
                                    }),
                                    e.on("selection", t, {
                                        priority: "highest"
                                    })
                                })
                            }
                            (e, "linkHref", "a", "ck-link_selected"),
                            this._enableInsertContentSelectionAttributesFixer(),
                            this._enableClickingAfterLink(),
                            this._enableTypingOverLink(),
                            this._handleDeleteContentAfterLink()
                        }
                        _enableAutomaticDecorators(e) {
                            const t = this.editor,
                            i = t.commands.get("link").automaticDecorators;
                            t.config.get("link.addTargetToExternalLinks") && i.add({
                                id: "linkIsExternal",
                                mode: "automatic",
                                callback: e => Cm.test(e),
                                attributes: {
                                    target: "_blank",
                                    rel: "noopener noreferrer"
                                }
                            }),
                            i.add(e),
                            i.length && t.conversion.for("downcast").add(i.getDispatcher())
                        }
                        _enableManualDecorators(e) {
                            if (!e.length)
                                return;
                            const t = this.editor,
                            i = t.commands.get("link").manualDecorators;
                            e.forEach(e => {
                                t.model.schema.extend("$text", {
                                    allowAttributes: e.id
                                }),
                                i.add(new Am(e)),
                                t.conversion.for("downcast").attributeToElement({
                                    model: e.id,
                                    view: (t, {
                                        writer: n
                                    }) => {
                                        if (t) {
                                            const t = i.get(e.id).attributes,
                                            o = n.createAttributeElement("a", t, {
                                                priority: 5
                                            });
                                            return n.setCustomProperty("link", !0, o),
                                            o
                                        }
                                    }
                                }),
                                t.conversion.for("upcast").elementToAttribute({
                                    view: {
                                        name: "a",
                                        attributes: i.get(e.id).attributes
                                    },
                                    model: {
                                        key: e.id
                                    }
                                })
                            })
                        }
                        _enableInsertContentSelectionAttributesFixer() {
                            const e = this.editor,
                            t = e.model,
                            i = t.document.selection,
                            n = e.commands.get("link");
                            this.listenTo(t, "insertContent", () => {
                                const e = i.anchor.nodeBefore,
                                o = i.anchor.nodeAfter;
                                i.hasAttribute("linkHref") && e && e.hasAttribute("linkHref") && (o && o.hasAttribute("linkHref") || t.change(e => {
                                        Em(e, n.manualDecorators)
                                    }))
                            }, {
                                priority: "low"
                            })
                        }
                        _enableClickingAfterLink() {
                            const e = this.editor,
                            t = e.commands.get("link");
                            e.editing.view.addObserver(ku);
                            let i = !1;
                            this.listenTo(e.editing.view.document, "mousedown", () => {
                                i = !0
                            }),
                            this.listenTo(e.editing.view.document, "selectionChange", () => {
                                if (!i)
                                    return;
                                i = !1;
                                const n = e.model.document.selection;
                                if (!n.isCollapsed)
                                    return;
                                if (!n.hasAttribute("linkHref"))
                                    return;
                                const o = n.getFirstPosition(),
                                r = Xh(o, "linkHref", n.getAttribute("linkHref"), e.model);
                                (o.isTouching(r.start) || o.isTouching(r.end)) && e.model.change(e => {
                                    Em(e, t.manualDecorators)
                                })
                            })
                        }
                        _enableTypingOverLink() {
                            const e = this.editor,
                            t = e.editing.view;
                            let i,
                            n;
                            this.listenTo(t.document, "delete", () => {
                                n = !0
                            }, {
                                priority: "high"
                            }),
                            this.listenTo(e.model, "deleteContent", () => {
                                const t = e.model.document.selection;
                                t.isCollapsed || (n ? n = !1 : Pm(e) && function (e) {
                                    const t = e.document.selection,
                                    i = t.getFirstPosition(),
                                    n = t.getLastPosition(),
                                    o = i.nodeAfter;
                                    if (!o)
                                        return !1;
                                    if (!o.is("$text"))
                                        return !1;
                                    if (!o.hasAttribute("linkHref"))
                                        return !1;
                                    const r = n.textNode || n.nodeBefore;
                                    if (o === r)
                                        return !0;
                                    return Xh(i, "linkHref", o.getAttribute("linkHref"), e).containsRange(e.createRange(i, n), !0)
                                }
                                    (e.model) && (i = t.getAttributes()))
                            }, {
                                priority: "high"
                            }),
                            this.listenTo(e.model, "insertContent", (t, [o]) => {
                                n = !1,
                                Pm(e) && i && (e.model.change(e => {
                                        for (const[t, n]of i)
                                            e.setAttribute(t, n, o)
                                    }), i = null)
                            }, {
                                priority: "high"
                            })
                        }
                        _handleDeleteContentAfterLink() {
                            const e = this.editor,
                            t = e.model,
                            i = t.document.selection,
                            n = e.editing.view,
                            o = e.commands.get("link");
                            let r = !1,
                            s = !1;
                            this.listenTo(n.document, "delete", (e, t) => {
                                s = t.domEvent.keyCode === Io.backspace
                            }, {
                                priority: "high"
                            }),
                            this.listenTo(t, "deleteContent", () => {
                                r = !1;
                                const e = i.getFirstPosition(),
                                n = i.getAttribute("linkHref");
                                if (!n)
                                    return;
                                const o = Xh(e, "linkHref", n, t);
                                r = o.containsPosition(e) || o.end.isEqual(e)
                            }, {
                                priority: "high"
                            }),
                            this.listenTo(t, "deleteContent", () => {
                                s && (s = !1, r || e.model.enqueueChange(e => {
                                        Em(e, o.manualDecorators)
                                    }))
                            }, {
                                priority: "low"
                            })
                        }
                    }
                    function Em(e, t) {
                        e.removeSelectionAttribute("linkHref");
                        for (const i of t)
                            e.removeSelectionAttribute(i.id)
                    }
                    function Pm(e) {
                        return e.plugins.get("Input").isInput(e.model.change(e => e.batch))
                    }
                    i(90);
                    class Sm extends jl {
                        constructor(e, t) {
                            super(e);
                            const i = e.t;
                            this.focusTracker = new Rs,
                            this.keystrokes = new Os,
                            this.urlInputView = this._createUrlInput(),
                            this.saveButtonView = this._createButton(i("Save"), Cl, "ck-button-save"),
                            this.saveButtonView.type = "submit",
                            this.cancelButtonView = this._createButton(i("Cancel"), Al, "ck-button-cancel", "cancel"),
                            this._manualDecoratorSwitches = this._createManualDecoratorSwitches(t),
                            this.children = this._createFormChildren(t.manualDecorators),
                            this._focusables = new Vl,
                            this._focusCycler = new dd({
                                focusables: this._focusables,
                                focusTracker: this.focusTracker,
                                keystrokeHandler: this.keystrokes,
                                actions: {
                                    focusPrevious: "shift + tab",
                                    focusNext: "tab"
                                }
                            });
                            const n = ["ck", "ck-link-form", "ck-responsive-form"];
                            t.manualDecorators.length && n.push("ck-link-form_layout-vertical", "ck-vertical-form"),
                            this.setTemplate({
                                tag: "form",
                                attributes: {
                                    class: n,
                                    tabindex: "-1"
                                },
                                children: this.children
                            }),
                            Ll(this)
                        }
                        getDecoratorSwitchesState() {
                            return Array.from(this._manualDecoratorSwitches).reduce((e, t) => (e[t.name] = t.isOn, e), {})
                        }
                        render() {
                            super.render(),
                            zl({
                                view: this
                            });
                            [this.urlInputView, ...this._manualDecoratorSwitches, this.saveButtonView, this.cancelButtonView].forEach(e => {
                                this._focusables.add(e),
                                this.focusTracker.add(e.element)
                            }),
                            this.keystrokes.listenTo(this.element)
                        }
                        focus() {
                            this._focusCycler.focusFirst()
                        }
                        _createUrlInput() {
                            const e = this.locale.t,
                            t = new jd(this.locale, Bd);
                            return t.label = e("Link URL"),
                            t
                        }
                        _createButton(e, t, i, n) {
                            const o = new cd(this.locale);
                            return o.set({
                                label: e,
                                icon: t,
                                tooltip: !0
                            }),
                            o.extendTemplate({
                                attributes: {
                                    class: i
                                }
                            }),
                            n && o.delegate("execute").to(this, n),
                            o
                        }
                        _createManualDecoratorSwitches(e) {
                            const t = this.createCollection();
                            for (const i of e.manualDecorators) {
                                const n = new ld(this.locale);
                                n.set({
                                    name: i.id,
                                    label: i.label,
                                    withText: !0
                                }),
                                n.bind("isOn").toMany([i, e], "value", (e, t) => void 0 === t && void 0 === e ? i.defaultValue : e),
                                n.on("execute", () => {
                                    i.set("value", !n.isOn)
                                }),
                                t.add(n)
                            }
                            return t
                        }
                        _createFormChildren(e) {
                            const t = this.createCollection();
                            if (t.add(this.urlInputView), e.length) {
                                const e = new jl;
                                e.setTemplate({
                                    tag: "ul",
                                    children: this._manualDecoratorSwitches.map(e => ({
                                            tag: "li",
                                            children: [e],
                                            attributes: {
                                                class: ["ck", "ck-list__item"]
                                            }
                                        })),
                                    attributes: {
                                        class: ["ck", "ck-reset", "ck-list"]
                                    }
                                }),
                                t.add(e)
                            }
                            return t.add(this.saveButtonView),
                            t.add(this.cancelButtonView),
                            t
                        }
                    }
                    i(92);
                    class Mm extends jl {
                        constructor(e) {
                            super(e);
                            const t = e.t;
                            this.focusTracker = new Rs,
                            this.keystrokes = new Os,
                            this.previewButtonView = this._createPreviewButton(),
                            this.unlinkButtonView = this._createButton(t("Unlink"), '<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="m11.077 15 .991-1.416a.75.75 0 1 1 1.229.86l-1.148 1.64a.748.748 0 0 1-.217.206 5.251 5.251 0 0 1-8.503-5.955.741.741 0 0 1 .12-.274l1.147-1.639a.75.75 0 1 1 1.228.86L4.933 10.7l.006.003a3.75 3.75 0 0 0 6.132 4.294l.006.004zm5.494-5.335a.748.748 0 0 1-.12.274l-1.147 1.639a.75.75 0 1 1-1.228-.86l.86-1.23a3.75 3.75 0 0 0-6.144-4.301l-.86 1.229a.75.75 0 0 1-1.229-.86l1.148-1.64a.748.748 0 0 1 .217-.206 5.251 5.251 0 0 1 8.503 5.955zm-4.563-2.532a.75.75 0 0 1 .184 1.045l-3.155 4.505a.75.75 0 1 1-1.229-.86l3.155-4.506a.75.75 0 0 1 1.045-.184zm4.919 10.562-1.414 1.414a.75.75 0 1 1-1.06-1.06l1.414-1.415-1.415-1.414a.75.75 0 0 1 1.061-1.06l1.414 1.414 1.414-1.415a.75.75 0 0 1 1.061 1.061l-1.414 1.414 1.414 1.415a.75.75 0 0 1-1.06 1.06l-1.415-1.414z"/></svg>', "unlink"),
                            this.editButtonView = this._createButton(t("Edit link"), Nl, "edit"),
                            this.set("href"),
                            this._focusables = new Vl,
                            this._focusCycler = new dd({
                                focusables: this._focusables,
                                focusTracker: this.focusTracker,
                                keystrokeHandler: this.keystrokes,
                                actions: {
                                    focusPrevious: "shift + tab",
                                    focusNext: "tab"
                                }
                            }),
                            this.setTemplate({
                                tag: "div",
                                attributes: {
                                    class: ["ck", "ck-link-actions", "ck-responsive-form"],
                                    tabindex: "-1"
                                },
                                children: [this.previewButtonView, this.editButtonView, this.unlinkButtonView]
                            })
                        }
                        render() {
                            super.render();
                            [this.previewButtonView, this.editButtonView, this.unlinkButtonView].forEach(e => {
                                this._focusables.add(e),
                                this.focusTracker.add(e.element)
                            }),
                            this.keystrokes.listenTo(this.element)
                        }
                        focus() {
                            this._focusCycler.focusFirst()
                        }
                        _createButton(e, t, i) {
                            const n = new cd(this.locale);
                            return n.set({
                                label: e,
                                icon: t,
                                tooltip: !0
                            }),
                            n.delegate("execute").to(this, i),
                            n
                        }
                        _createPreviewButton() {
                            const e = new cd(this.locale),
                            t = this.bindTemplate,
                            i = this.t;
                            return e.set({
                                withText: !0,
                                tooltip: i("Open link in new tab")
                            }),
                            e.extendTemplate({
                                attributes: {
                                    class: ["ck", "ck-link-actions__preview"],
                                    href: t.to("href", e => e && km(e)),
                                    target: "_blank",
                                    rel: "noopener noreferrer"
                                }
                            }),
                            e.bind("label").to(this, "href", e => e || i("This link has no URL")),
                            e.bind("isEnabled").to(this, "href", e => !!e),
                            e.template.tag = "a",
                            e.template.eventListeners = {},
                            e
                        }
                    }
                    class Im extends Qe {
                        static get requires() {
                            return [Qd]
                        }
                        static get pluginName() {
                            return "LinkUI"
                        }
                        init() {
                            const e = this.editor;
                            e.editing.view.addObserver(wu),
                            this.actionsView = this._createActionsView(),
                            this.formView = this._createFormView(),
                            this._balloon = e.plugins.get(Qd),
                            this._createToolbarLinkButton(),
                            this._enableUserBalloonInteractions(),
                            e.conversion.for("editingDowncast").markerToHighlight({
                                model: "link-ui",
                                view: {
                                    classes: ["ck-fake-link-selection"]
                                }
                            }),
                            e.conversion.for("editingDowncast").markerToElement({
                                model: "link-ui",
                                view: {
                                    name: "span",
                                    classes: ["ck-fake-link-selection", "ck-fake-link-selection_collapsed"]
                                }
                            })
                        }
                        destroy() {
                            super.destroy(),
                            this.formView.destroy()
                        }
                        _createActionsView() {
                            const e = this.editor,
                            t = new Mm(e.locale),
                            i = e.commands.get("link"),
                            n = e.commands.get("unlink");
                            return t.bind("href").to(i, "value"),
                            t.editButtonView.bind("isEnabled").to(i),
                            t.unlinkButtonView.bind("isEnabled").to(n),
                            this.listenTo(t, "edit", () => {
                                this._addFormView()
                            }),
                            this.listenTo(t, "unlink", () => {
                                e.execute("unlink"),
                                this._hideUI()
                            }),
                            t.keystrokes.set("Esc", (e, t) => {
                                this._hideUI(),
                                t()
                            }),
                            t.keystrokes.set("Ctrl+K", (e, t) => {
                                this._addFormView(),
                                t()
                            }),
                            t
                        }
                        _createFormView() {
                            const e = this.editor,
                            t = e.commands.get("link"),
                            i = e.config.get("link.defaultProtocol"),
                            n = new Sm(e.locale, t);
                            return n.urlInputView.fieldView.bind("value").to(t, "value"),
                            n.urlInputView.bind("isReadOnly").to(t, "isEnabled", e => !e),
                            n.saveButtonView.bind("isEnabled").to(t),
                            this.listenTo(n, "submit", () => {
                                const {
                                    value: t
                                } = n.urlInputView.fieldView.element,
                                o = vm(t, i);
                                e.execute("link", o, n.getDecoratorSwitchesState()),
                                this._closeFormView()
                            }),
                            this.listenTo(n, "cancel", () => {
                                this._closeFormView()
                            }),
                            n.keystrokes.set("Esc", (e, t) => {
                                this._closeFormView(),
                                t()
                            }),
                            n
                        }
                        _createToolbarLinkButton() {
                            const e = this.editor,
                            t = e.commands.get("link"),
                            i = e.t;
                            e.keystrokes.set("Ctrl+K", (e, i) => {
                                i(),
                                t.isEnabled && this._showUI(!0)
                            }),
                            e.ui.componentFactory.add("link", e => {
                                const n = new cd(e);
                                return n.isEnabled = !0,
                                n.label = i("Link"),
                                n.icon = '<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="m11.077 15 .991-1.416a.75.75 0 1 1 1.229.86l-1.148 1.64a.748.748 0 0 1-.217.206 5.251 5.251 0 0 1-8.503-5.955.741.741 0 0 1 .12-.274l1.147-1.639a.75.75 0 1 1 1.228.86L4.933 10.7l.006.003a3.75 3.75 0 0 0 6.132 4.294l.006.004zm5.494-5.335a.748.748 0 0 1-.12.274l-1.147 1.639a.75.75 0 1 1-1.228-.86l.86-1.23a3.75 3.75 0 0 0-6.144-4.301l-.86 1.229a.75.75 0 0 1-1.229-.86l1.148-1.64a.748.748 0 0 1 .217-.206 5.251 5.251 0 0 1 8.503 5.955zm-4.563-2.532a.75.75 0 0 1 .184 1.045l-3.155 4.505a.75.75 0 1 1-1.229-.86l3.155-4.506a.75.75 0 0 1 1.045-.184z"/></svg>',
                                n.keystroke = "Ctrl+K",
                                n.tooltip = !0,
                                n.isToggleable = !0,
                                n.bind("isEnabled").to(t, "isEnabled"),
                                n.bind("isOn").to(t, "value", e => !!e),
                                this.listenTo(n, "execute", () => this._showUI(!0)),
                                n
                            })
                        }
                        _enableUserBalloonInteractions() {
                            const e = this.editor.editing.view.document;
                            this.listenTo(e, "click", () => {
                                this._getSelectedLinkElement() && this._showUI()
                            }),
                            this.editor.keystrokes.set("Tab", (e, t) => {
                                this._areActionsVisible && !this.actionsView.focusTracker.isFocused && (this.actionsView.focus(), t())
                            }, {
                                priority: "high"
                            }),
                            this.editor.keystrokes.set("Esc", (e, t) => {
                                this._isUIVisible && (this._hideUI(), t())
                            }),
                            Dl({
                                emitter: this.formView,
                                activator: () => this._isUIInPanel,
                                contextElements: [this._balloon.view.element],
                                callback: () => this._hideUI()
                            })
                        }
                        _addActionsView() {
                            this._areActionsInPanel || this._balloon.add({
                                view: this.actionsView,
                                position: this._getBalloonPositionData()
                            })
                        }
                        _addFormView() {
                            if (this._isFormInPanel)
                                return;
                            const e = this.editor.commands.get("link");
                            this.formView.disableCssTransitions(),
                            this._balloon.add({
                                view: this.formView,
                                position: this._getBalloonPositionData()
                            }),
                            this._balloon.visibleView === this.formView && this.formView.urlInputView.fieldView.select(),
                            this.formView.enableCssTransitions(),
                            this.formView.urlInputView.fieldView.element.value = e.value || ""
                        }
                        _closeFormView() {
                            const e = this.editor.commands.get("link");
                            e.restoreManualDecoratorStates(),
                            void 0 !== e.value ? this._removeFormView() : this._hideUI()
                        }
                        _removeFormView() {
                            this._isFormInPanel && (this.formView.saveButtonView.focus(), this._balloon.remove(this.formView), this.editor.editing.view.focus(), this._hideFakeVisualSelection())
                        }
                        _showUI(e = !1) {
                            this._getSelectedLinkElement() ? (this._areActionsVisible ? this._addFormView() : this._addActionsView(), e && this._balloon.showStack("main")) : (this._showFakeVisualSelection(), this._addActionsView(), e && this._balloon.showStack("main"), this._addFormView()),
                            this._startUpdatingUI()
                        }
                        _hideUI() {
                            if (!this._isUIInPanel)
                                return;
                            const e = this.editor;
                            this.stopListening(e.ui, "update"),
                            this.stopListening(this._balloon, "change:visibleView"),
                            e.editing.view.focus(),
                            this._removeFormView(),
                            this._balloon.remove(this.actionsView),
                            this._hideFakeVisualSelection()
                        }
                        _startUpdatingUI() {
                            const e = this.editor,
                            t = e.editing.view.document;
                            let i = this._getSelectedLinkElement(),
                            n = r();
                            const o = () => {
                                const e = this._getSelectedLinkElement(),
                                t = r();
                                i && !e || !i && t !== n ? this._hideUI() : this._isUIVisible && this._balloon.updatePosition(this._getBalloonPositionData()),
                                i = e,
                                n = t
                            };
                            function r() {
                                return t.selection.focus.getAncestors().reverse().find(e => e.is("element"))
                            }
                            this.listenTo(e.ui, "update", o),
                            this.listenTo(this._balloon, "change:visibleView", o)
                        }
                        get _isFormInPanel() {
                            return this._balloon.hasView(this.formView)
                        }
                        get _areActionsInPanel() {
                            return this._balloon.hasView(this.actionsView)
                        }
                        get _areActionsVisible() {
                            return this._balloon.visibleView === this.actionsView
                        }
                        get _isUIInPanel() {
                            return this._isFormInPanel || this._areActionsInPanel
                        }
                        get _isUIVisible() {
                            return this._balloon.visibleView == this.formView || this._areActionsVisible
                        }
                        _getBalloonPositionData() {
                            const e = this.editor.editing.view,
                            t = this.editor.model,
                            i = e.document;
                            let n = null;
                            if (t.markers.has("link-ui")) {
                                const t = Array.from(this.editor.editing.mapper.markerNameToElements("link-ui")),
                                i = e.createRange(e.createPositionBefore(t[0]), e.createPositionAfter(t[t.length - 1]));
                                n = e.domConverter.viewRangeToDom(i)
                            } else {
                                const t = this._getSelectedLinkElement(),
                                o = i.selection.getFirstRange();
                                n = t ? e.domConverter.mapViewToDom(t) : e.domConverter.viewRangeToDom(o)
                            }
                            return {
                                target: n
                            }
                        }
                        _getSelectedLinkElement() {
                            const e = this.editor.editing.view,
                            t = e.document.selection;
                            if (t.isCollapsed)
                                return Nm(t.getFirstPosition()); {
                                const i = t.getFirstRange().getTrimmed(),
                                n = Nm(i.start),
                                o = Nm(i.end);
                                return n && n == o && e.createRangeIn(n).getTrimmed().isEqual(i) ? n : null
                            }
                        }
                        _showFakeVisualSelection() {
                            const e = this.editor.model;
                            e.change(t => {
                                const i = e.document.selection.getFirstRange();
                                if (e.markers.has("link-ui"))
                                    t.updateMarker("link-ui", {
                                        range: i
                                    });
                                else if (i.start.isAtEnd) {
                                    const n = i.start.getLastMatchingPosition(({
                                                item: t
                                            }) => !e.schema.isContent(t), {
                                        boundaries: i
                                    });
                                    t.addMarker("link-ui", {
                                        usingOperation: !1,
                                        affectsData: !1,
                                        range: t.createRange(n, i.end)
                                    })
                                } else
                                    t.addMarker("link-ui", {
                                        usingOperation: !1,
                                        affectsData: !1,
                                        range: i
                                    })
                            })
                        }
                        _hideFakeVisualSelection() {
                            const e = this.editor.model;
                            e.markers.has("link-ui") && e.change(e => {
                                e.removeMarker("link-ui")
                            })
                        }
                    }
                    function Nm(e) {
                        return e.getAncestors().find(e => {
                            return (t = e).is("attributeElement") && !!t.getCustomProperty("link");
                            var t
                        })
                    }
                    const Rm = new RegExp("(^|\\s)(((?:(?:(?:https?|ftp):)?\\/\\/)(?:\\S+(?::\\S*)?@)?(?:(?:[1-9]\\d?|1\\d\\d|2[01]\\d|22[0-3])(?:\\.(?:1?\\d{1,2}|2[0-4]\\d|25[0-5])){2}(?:\\.(?:[1-9]\\d?|1\\d\\d|2[0-4]\\d|25[0-4]))|(((?!www\\.)|(www\\.))(?![-_])(?:[-_a-z0-9\\u00a1-\\uffff]{1,63}\\.)+(?:[a-z\\u00a1-\\uffff]{2,63})))(?::\\d{2,5})?(?:[/?#]\\S*)?)|((www.|(\\S+@))((?![-_])(?:[-_a-z0-9\\u00a1-\\uffff]{1,63}\\.))+(?:[a-z\\u00a1-\\uffff]{2,63})))$", "i");
                    class Om extends Qe {
                        static get pluginName() {
                            return "AutoLink"
                        }
                        init() {
                            const e = this.editor.model.document.selection;
                            e.on("change:range", () => {
                                this.isEnabled = !e.anchor.parent.is("element", "codeBlock")
                            }),
                            this._enableTypingHandling()
                        }
                        afterInit() {
                            this._enableEnterHandling(),
                            this._enableShiftEnterHandling()
                        }
                        _enableTypingHandling() {
                            const e = this.editor,
                            t = new zh(e.model, e => {
                                if (!function (e) {
                                    return e.length > 4 && " " === e[e.length - 1] && " " !== e[e.length - 2]
                                }
                                    (e))
                                    return;
                                const t = Dm(e.substr(0, e.length - 1));
                                return t ? {
                                    url: t
                                }
                                 : void 0
                            }),
                            i = e.plugins.get("Input");
                            t.on("matched:data", (t, n) => {
                                const {
                                    batch: o,
                                    range: r,
                                    url: s
                                } = n;
                                if (!i.isInput(o))
                                    return;
                                const a = r.end.getShiftedBy(-1),
                                c = a.getShiftedBy(-s.length),
                                l = e.model.createRange(c, a);
                                this._applyAutoLink(s, l)
                            }),
                            t.bind("isEnabled").to(this)
                        }
                        _enableEnterHandling() {
                            const e = this.editor,
                            t = e.model,
                            i = e.commands.get("enter");
                            i && i.on("execute", () => {
                                const e = t.document.selection.getFirstPosition();
                                if (!e.parent.previousSibling)
                                    return;
                                const i = t.createRangeIn(e.parent.previousSibling);
                                this._checkAndApplyAutoLinkOnRange(i)
                            })
                        }
                        _enableShiftEnterHandling() {
                            const e = this.editor,
                            t = e.model,
                            i = e.commands.get("shiftEnter");
                            i && i.on("execute", () => {
                                const e = t.document.selection.getFirstPosition(),
                                i = t.createRange(t.createPositionAt(e.parent, 0), e.getShiftedBy(-1));
                                this._checkAndApplyAutoLinkOnRange(i)
                            })
                        }
                        _checkAndApplyAutoLinkOnRange(e) {
                            const t = this.editor.model, {
                                text: i,
                                range: n
                            } = Lh(e, t),
                            o = Dm(i);
                            if (o) {
                                const e = t.createRange(n.end.getShiftedBy(-o.length), n.end);
                                this._applyAutoLink(o, e)
                            }
                        }
                        _applyAutoLink(e, t) {
                            const i = this.editor.model;
                            this.isEnabled && function (e, t) {
                                return t.schema.checkAttributeInSelection(t.createSelection(e), "linkHref")
                            }
                            (t, i) && i.enqueueChange(i => {
                                const n = this.editor.config.get("link.defaultProtocol"),
                                o = vm(e, n);
                                i.setAttribute("linkHref", o, t)
                            })
                        }
                    }
                    function Dm(e) {
                        const t = Rm.exec(e);
                        return t ? t[2] : null
                    }
                    class Lm extends Ze {
                        constructor(e, t) {
                            super(e),
                            this.type = t
                        }
                        refresh() {
                            this.value = this._getValue(),
                            this.isEnabled = this._checkEnabled()
                        }
                        execute(e = {}) {
                            const t = this.editor.model,
                            i = t.document,
                            n = Array.from(i.selection.getSelectedBlocks()).filter(e => Vm(e, t.schema)),
                            o = void 0 !== e.forceValue ? !e.forceValue : this.value;
                            t.change(e => {
                                if (o) {
                                    let t = n[n.length - 1].nextSibling,
                                    i = Number.POSITIVE_INFINITY,
                                    o = [];
                                    for (; t && "listItem" == t.name && 0 !== t.getAttribute("listIndent"); ) {
                                        const e = t.getAttribute("listIndent");
                                        e < i && (i = e);
                                        const n = e - i;
                                        o.push({
                                            element: t,
                                            listIndent: n
                                        }),
                                        t = t.nextSibling
                                    }
                                    o = o.reverse();
                                    for (const t of o)
                                        e.setAttribute("listIndent", t.listIndent, t.element)
                                }
                                if (!o) {
                                    let e = Number.POSITIVE_INFINITY;
                                    for (const t of n)
                                        t.is("element", "listItem") && t.getAttribute("listIndent") < e && (e = t.getAttribute("listIndent"));
                                    e = 0 === e ? 1 : e,
                                    zm(n, !0, e),
                                    zm(n, !1, e)
                                }
                                for (const t of n.reverse())
                                    o && "listItem" == t.name ? e.rename(t, "paragraph") : o || "listItem" == t.name ? o || "listItem" != t.name || t.getAttribute("listType") == this.type || e.setAttribute("listType", this.type, t) : (e.setAttributes({
                                            listType: this.type,
                                            listIndent: 0
                                        }, t), e.rename(t, "listItem"));
                                this.fire("_executeCleanup", n)
                            })
                        }
                        _getValue() {
                            const e = Ns(this.editor.model.document.selection.getSelectedBlocks());
                            return !!e && e.is("element", "listItem") && e.getAttribute("listType") == this.type
                        }
                        _checkEnabled() {
                            if (this.value)
                                return !0;
                            const e = this.editor.model.document.selection,
                            t = this.editor.model.schema,
                            i = Ns(e.getSelectedBlocks());
                            return !!i && Vm(i, t)
                        }
                    }
                    function zm(e, t, i) {
                        const n = t ? e[0] : e[e.length - 1];
                        if (n.is("element", "listItem")) {
                            let o = n[t ? "previousSibling" : "nextSibling"],
                            r = n.getAttribute("listIndent");
                            for (; o && o.is("element", "listItem") && o.getAttribute("listIndent") >= i; )
                                r > o.getAttribute("listIndent") && (r = o.getAttribute("listIndent")), o.getAttribute("listIndent") == r && e[t ? "unshift" : "push"](o), o = o[t ? "previousSibling" : "nextSibling"]
                        }
                    }
                    function Vm(e, t) {
                        return t.checkChild(e.parent, "listItem") && !t.isObject(e)
                    }
                    class jm extends Ze {
                        constructor(e, t) {
                            super(e),
                            this._indentBy = "forward" == t ? 1 : -1
                        }
                        refresh() {
                            this.isEnabled = this._checkEnabled()
                        }
                        execute() {
                            const e = this.editor.model,
                            t = e.document;
                            let i = Array.from(t.selection.getSelectedBlocks());
                            e.change(e => {
                                const t = i[i.length - 1];
                                let n = t.nextSibling;
                                for (; n && "listItem" == n.name && n.getAttribute("listIndent") > t.getAttribute("listIndent"); )
                                    i.push(n), n = n.nextSibling;
                                this._indentBy < 0 && (i = i.reverse());
                                for (const t of i) {
                                    const i = t.getAttribute("listIndent") + this._indentBy;
                                    i < 0 ? e.rename(t, "paragraph") : e.setAttribute("listIndent", i, t)
                                }
                                this.fire("_executeCleanup", i)
                            })
                        }
                        _checkEnabled() {
                            const e = Ns(this.editor.model.document.selection.getSelectedBlocks());
                            if (!e || !e.is("element", "listItem"))
                                return !1;
                            if (this._indentBy > 0) {
                                const t = e.getAttribute("listIndent"),
                                i = e.getAttribute("listType");
                                let n = e.previousSibling;
                                for (; n && n.is("element", "listItem") && n.getAttribute("listIndent") >= t; ) {
                                    if (n.getAttribute("listIndent") == t)
                                        return n.getAttribute("listType") == i;
                                    n = n.previousSibling
                                }
                                return !1
                            }
                            return !0
                        }
                    }
                    function Bm(e, t) {
                        const i = t.mapper,
                        n = t.writer,
                        o = "numbered" == e.getAttribute("listType") ? "ol" : "ul",
                        r = function (e) {
                            const t = e.createContainerElement("li");
                            return t.getFillerOffset = $m,
                            t
                        }
                        (n),
                        s = n.createContainerElement(o, null);
                        return n.insert(n.createPositionAt(s, 0), r),
                        i.bindElements(e, r),
                        r
                    }
                    function Fm(e, t, i, n) {
                        const o = t.parent,
                        r = i.mapper,
                        s = i.writer;
                        let a = r.toViewPosition(n.createPositionBefore(e));
                        const c = Wm(e.previousSibling, {
                            sameIndent: !0,
                            smallerIndent: !0,
                            listIndent: e.getAttribute("listIndent")
                        }),
                        l = e.previousSibling;
                        if (c && c.getAttribute("listIndent") == e.getAttribute("listIndent")) {
                            const e = r.toViewElement(c);
                            a = s.breakContainer(s.createPositionAfter(e))
                        } else if (l && "listItem" == l.name) {
                            a = r.toViewPosition(n.createPositionAt(l, "end"));
                            const e = r.findMappedViewAncestor(a),
                            t = function (e) {
                                for (const t of e.getChildren())
                                    if ("ul" == t.name || "ol" == t.name)
                                        return t;
                                return null
                            }
                            (e);
                            a = t ? s.createPositionBefore(t) : s.createPositionAt(e, "end")
                        } else
                            a = r.toViewPosition(n.createPositionBefore(e));
                        if (a = Um(a), s.insert(a, o), l && "listItem" == l.name) {
                            const e = r.toViewElement(l),
                            i = s.createRange(s.createPositionAt(e, 0), a).getWalker({
                                ignoreElementEnd: !0
                            });
                            for (const e of i)
                                if (e.item.is("element", "li")) {
                                    const n = s.breakContainer(s.createPositionBefore(e.item)),
                                    o = e.item.parent,
                                    r = s.createPositionAt(t, "end");
                                    Hm(s, r.nodeBefore, r.nodeAfter),
                                    s.move(s.createRangeOn(o), r),
                                    i.position = n
                                }
                        } else {
                            const i = o.nextSibling;
                            if (i && (i.is("element", "ul") || i.is("element", "ol"))) {
                                let n = null;
                                for (const t of i.getChildren()) {
                                    const i = r.toModelElement(t);
                                    if (!(i && i.getAttribute("listIndent") > e.getAttribute("listIndent")))
                                        break;
                                    n = t
                                }
                                n && (s.breakContainer(s.createPositionAfter(n)), s.move(s.createRangeOn(n.parent), s.createPositionAt(t, "end")))
                            }
                        }
                        Hm(s, o, o.nextSibling),
                        Hm(s, o.previousSibling, o)
                    }
                    function Hm(e, t, i) {
                        return !t || !i || "ul" != t.name && "ol" != t.name || t.name != i.name || t.getAttribute("class") !== i.getAttribute("class") ? null : e.mergeContainers(e.createPositionAfter(t))
                    }
                    function Um(e) {
                        return e.getLastMatchingPosition(e => e.item.is("uiElement"))
                    }
                    function Wm(e, t) {
                        const i = !!t.sameIndent,
                        n = !!t.smallerIndent,
                        o = t.listIndent;
                        let r = e;
                        for (; r && "listItem" == r.name; ) {
                            const e = r.getAttribute("listIndent");
                            if (i && o == e || n && o > e)
                                return r;
                            r = "forward" === t.direction ? r.nextSibling : r.previousSibling
                        }
                        return null
                    }
                    function qm(e, t, i, n) {
                        e.ui.componentFactory.add(t, o => {
                            const r = e.commands.get(t),
                            s = new cd(o);
                            return s.set({
                                label: i,
                                icon: n,
                                tooltip: !0,
                                isToggleable: !0
                            }),
                            s.bind("isOn", "isEnabled").to(r, "value", "isEnabled"),
                            s.on("execute", () => {
                                e.execute(t),
                                e.editing.view.focus()
                            }),
                            s
                        })
                    }
                    function $m() {
                        const e = !this.isEmpty && ("ul" == this.getChild(0).name || "ol" == this.getChild(0).name);
                        return this.isEmpty || e ? 0 : io.call(this)
                    }
                    function Ym(e) {
                        return (t, i, n) => {
                            const o = n.consumable;
                            if (!o.test(i.item, "insert") || !o.test(i.item, "attribute:listType") || !o.test(i.item, "attribute:listIndent"))
                                return;
                            o.consume(i.item, "insert"),
                            o.consume(i.item, "attribute:listType"),
                            o.consume(i.item, "attribute:listIndent");
                            const r = i.item;
                            Fm(r, Bm(r, n), n, e)
                        }
                    }
                    function Gm(e, t, i) {
                        if (!i.consumable.consume(t.item, "attribute:listType"))
                            return;
                        const n = i.mapper.toViewElement(t.item),
                        o = i.writer;
                        o.breakContainer(o.createPositionBefore(n)),
                        o.breakContainer(o.createPositionAfter(n));
                        const r = n.parent,
                        s = "numbered" == t.attributeNewValue ? "ol" : "ul";
                        o.rename(s, r)
                    }
                    function Km(e, t, i) {
                        const n = i.mapper.toViewElement(t.item).parent,
                        o = i.writer;
                        Hm(o, n, n.nextSibling),
                        Hm(o, n.previousSibling, n);
                        for (const e of t.item.getChildren())
                            i.consumable.consume(e, "insert")
                    }
                    function Qm(e, t, i) {
                        if ("listItem" != t.item.name) {
                            let e = i.mapper.toViewPosition(t.range.start);
                            const n = i.writer,
                            o = [];
                            for (; ("ul" == e.parent.name || "ol" == e.parent.name) && (e = n.breakContainer(e), "li" == e.parent.name); ) {
                                const t = e,
                                i = n.createPositionAt(e.parent, "end");
                                if (!t.isEqual(i)) {
                                    const e = n.remove(n.createRange(t, i));
                                    o.push(e)
                                }
                                e = n.createPositionAfter(e.parent)
                            }
                            if (o.length > 0) {
                                for (let t = 0; t < o.length; t++) {
                                    const i = e.nodeBefore;
                                    if (e = n.insert(e, o[t]).end, t > 0) {
                                        const t = Hm(n, i, i.nextSibling);
                                        t && t.parent == i && e.offset--
                                    }
                                }
                                Hm(n, e.nodeBefore, e.nodeAfter)
                            }
                        }
                    }
                    function Jm(e, t, i) {
                        const n = i.mapper.toViewPosition(t.position),
                        o = n.nodeBefore,
                        r = n.nodeAfter;
                        Hm(i.writer, o, r)
                    }
                    function Zm(e, t, i) {
                        if (i.consumable.consume(t.viewItem, {
                                name: !0
                            })) {
                            const e = i.writer,
                            n = e.createElement("listItem"),
                            o = function (e) {
                                let t = 0,
                                i = e.parent;
                                for (; i; ) {
                                    if (i.is("element", "li"))
                                        t++;
                                    else {
                                        const e = i.previousSibling;
                                        e && e.is("element", "li") && t++
                                    }
                                    i = i.parent
                                }
                                return t
                            }
                            (t.viewItem);
                            e.setAttribute("listIndent", o, n);
                            const r = t.viewItem.parent && "ol" == t.viewItem.parent.name ? "numbered" : "bulleted";
                            if (e.setAttribute("listType", r, n), !i.safeInsert(n, t.modelCursor))
                                return;
                            const s = function (e, t, i) {
                                const {
                                    writer: n,
                                    schema: o
                                } = i;
                                let r = n.createPositionAfter(e);
                                for (const s of t)
                                    if ("ul" == s.name || "ol" == s.name)
                                        r = i.convertItem(s, r).modelCursor;
                                    else {
                                        const t = i.convertItem(s, n.createPositionAt(e, "end")),
                                        a = t.modelRange.start.nodeAfter;
                                        a && a.is("element") && !o.checkChild(e, a.name) && (e = t.modelCursor.parent.is("element", "listItem") ? t.modelCursor.parent : np(t.modelCursor), r = n.createPositionAfter(e))
                                    }
                                return r
                            }
                            (n, t.viewItem.getChildren(), i);
                            t.modelRange = e.createRange(t.modelCursor, s),
                            i.updateConversionResult(n, t)
                        }
                    }
                    function Xm(e, t, i) {
                        if (i.consumable.test(t.viewItem, {
                                name: !0
                            })) {
                            const e = Array.from(t.viewItem.getChildren());
                            for (const t of e) {
                                !(t.is("element", "li") || rp(t)) && t._remove()
                            }
                        }
                    }
                    function ep(e, t, i) {
                        if (i.consumable.test(t.viewItem, {
                                name: !0
                            })) {
                            if (0 === t.viewItem.childCount)
                                return;
                            const e = [...t.viewItem.getChildren()];
                            let i = !1,
                            n = !0;
                            for (const t of e)
                                i && !rp(t) && t._remove(), t.is("$text") ? (n && (t._data = t.data.trimStart()), t.nextSibling && !rp(t.nextSibling) || (t._data = t.data.trimEnd())) : rp(t) && (i = !0), n = !1
                        }
                    }
                    function tp(e) {
                        return (t, i) => {
                            if (i.isPhantom)
                                return;
                            const n = i.modelPosition.nodeBefore;
                            if (n && n.is("element", "listItem")) {
                                const t = i.mapper.toViewElement(n),
                                o = t.getAncestors().find(rp),
                                r = e.createPositionAt(t, 0).getWalker();
                                for (const e of r) {
                                    if ("elementStart" == e.type && e.item.is("element", "li")) {
                                        i.viewPosition = e.previousPosition;
                                        break
                                    }
                                    if ("elementEnd" == e.type && e.item == o) {
                                        i.viewPosition = e.nextPosition;
                                        break
                                    }
                                }
                            }
                        }
                    }
                    function ip(e, [t, i]) {
                        let n,
                        o = t.is("documentFragment") ? t.getChild(0) : t;
                        if (n = i ? this.createSelection(i) : this.document.selection, o && o.is("element", "listItem")) {
                            const e = n.getFirstPosition();
                            let t = null;
                            if (e.parent.is("element", "listItem") ? t = e.parent : e.nodeBefore && e.nodeBefore.is("element", "listItem") && (t = e.nodeBefore), t) {
                                const e = t.getAttribute("listIndent");
                                if (e > 0)
                                    for (; o && o.is("element", "listItem"); )
                                        o._setAttribute("listIndent", o.getAttribute("listIndent") + e), o = o.nextSibling
                            }
                        }
                    }
                    function np(e) {
                        const t = new Zs({
                            startPosition: e
                        });
                        let i;
                        do {
                            i = t.next()
                        } while (!i.value.item.is("element", "listItem"));
                        return i.value.item
                    }
                    function op(e, t, i, n, o, r) {
                        const s = Wm(t.nodeBefore, {
                            sameIndent: !0,
                            smallerIndent: !0,
                            listIndent: e,
                            foo: "b"
                        }),
                        a = o.mapper,
                        c = o.writer,
                        l = s ? s.getAttribute("listIndent") : null;
                        let d;
                        if (s)
                            if (l == e) {
                                const e = a.toViewElement(s).parent;
                                d = c.createPositionAfter(e)
                            } else {
                                const e = r.createPositionAt(s, "end");
                                d = a.toViewPosition(e)
                            }
                        else
                            d = i;
                        d = Um(d);
                        for (const e of[...n.getChildren()])
                            rp(e) && (d = c.move(c.createRangeOn(e), d).end, Hm(c, e, e.nextSibling), Hm(c, e.previousSibling, e))
                    }
                    function rp(e) {
                        return e.is("element", "ol") || e.is("element", "ul")
                    }
                    class sp extends Qe {
                        static get pluginName() {
                            return "ListEditing"
                        }
                        static get requires() {
                            return [Nu, Lu]
                        }
                        init() {
                            const e = this.editor;
                            e.model.schema.register("listItem", {
                                inheritAllFrom: "$block",
                                allowAttributes: ["listType", "listIndent"]
                            });
                            const t = e.data,
                            i = e.editing;
                            var n;
                            e.model.document.registerPostFixer(t => function (e, t) {
                                const i = e.document.differ.getChanges(),
                                n = new Map;
                                let o = !1;
                                for (const n of i)
                                    if ("insert" == n.type && "listItem" == n.name)
                                        r(n.position);
                                    else if ("insert" == n.type && "listItem" != n.name) {
                                        if ("$text" != n.name) {
                                            const i = n.position.nodeAfter;
                                            i.hasAttribute("listIndent") && (t.removeAttribute("listIndent", i), o = !0),
                                            i.hasAttribute("listType") && (t.removeAttribute("listType", i), o = !0),
                                            i.hasAttribute("listStyle") && (t.removeAttribute("listStyle", i), o = !0);
                                            for (const t of Array.from(e.createRangeIn(i)).filter(e => e.item.is("element", "listItem")))
                                                r(t.previousPosition)
                                        }
                                        r(n.position.getShiftedBy(n.length))
                                    } else
                                        "remove" == n.type && "listItem" == n.name ? r(n.position) : ("attribute" == n.type && "listIndent" == n.attributeKey || "attribute" == n.type && "listType" == n.attributeKey) && r(n.range.start);
                                for (const e of n.values())
                                    s(e), a(e);
                                return o;
                                function r(e) {
                                    const t = e.nodeBefore;
                                    if (t && t.is("element", "listItem")) {
                                        let e = t;
                                        if (n.has(e))
                                            return;
                                        for (let t = e.previousSibling; t && t.is("element", "listItem"); t = e.previousSibling)
                                            if (e = t, n.has(e))
                                                return;
                                        n.set(t, e)
                                    } else {
                                        const t = e.nodeAfter;
                                        t && t.is("element", "listItem") && n.set(t, t)
                                    }
                                }
                                function s(e) {
                                    let i = 0,
                                    n = null;
                                    for (; e && e.is("element", "listItem"); ) {
                                        const r = e.getAttribute("listIndent");
                                        if (r > i) {
                                            let s;
                                            null === n ? (n = r - i, s = i) : (n > r && (n = r), s = r - n),
                                            t.setAttribute("listIndent", s, e),
                                            o = !0
                                        } else
                                            n = null, i = e.getAttribute("listIndent") + 1;
                                        e = e.nextSibling
                                    }
                                }
                                function a(e) {
                                    let i = [],
                                    n = null;
                                    for (; e && e.is("element", "listItem"); ) {
                                        const r = e.getAttribute("listIndent");
                                        if (n && n.getAttribute("listIndent") > r && (i = i.slice(0, r + 1)), 0 != r)
                                            if (i[r]) {
                                                const n = i[r];
                                                e.getAttribute("listType") != n && (t.setAttribute("listType", n, e), o = !0)
                                            } else
                                                i[r] = e.getAttribute("listType");
                                        n = e,
                                        e = e.nextSibling
                                    }
                                }
                            }
                                (e.model, t)),
                            i.mapper.registerViewToModelLength("li", ap),
                            t.mapper.registerViewToModelLength("li", ap),
                            i.mapper.on("modelToViewPosition", tp(i.view)),
                            i.mapper.on("viewToModelPosition", (n = e.model, (e, t) => {
                                    const i = t.viewPosition,
                                    o = i.parent,
                                    r = t.mapper;
                                    if ("ul" == o.name || "ol" == o.name) {
                                        if (i.isAtEnd) {
                                            const e = r.toModelElement(i.nodeBefore),
                                            o = r.getModelLength(i.nodeBefore);
                                            t.modelPosition = n.createPositionBefore(e).getShiftedBy(o)
                                        } else {
                                            const e = r.toModelElement(i.nodeAfter);
                                            t.modelPosition = n.createPositionBefore(e)
                                        }
                                        e.stop()
                                    } else if ("li" == o.name && i.nodeBefore && ("ul" == i.nodeBefore.name || "ol" == i.nodeBefore.name)) {
                                        const s = r.toModelElement(o);
                                        let a = 1,
                                        c = i.nodeBefore;
                                        for (; c && rp(c); )
                                            a += r.getModelLength(c), c = c.previousSibling;
                                        t.modelPosition = n.createPositionBefore(s).getShiftedBy(a),
                                        e.stop()
                                    }
                                })),
                            t.mapper.on("modelToViewPosition", tp(i.view)),
                            e.conversion.for("editingDowncast").add(t => {
                                t.on("insert", Qm, {
                                    priority: "high"
                                }),
                                t.on("insert:listItem", Ym(e.model)),
                                t.on("attribute:listType:listItem", Gm, {
                                    priority: "high"
                                }),
                                t.on("attribute:listType:listItem", Km, {
                                    priority: "low"
                                }),
                                t.on("attribute:listIndent:listItem", function (e) {
                                    return (t, i, n) => {
                                        if (!n.consumable.consume(i.item, "attribute:listIndent"))
                                            return;
                                        const o = n.mapper.toViewElement(i.item),
                                        r = n.writer;
                                        r.breakContainer(r.createPositionBefore(o)),
                                        r.breakContainer(r.createPositionAfter(o));
                                        const s = o.parent,
                                        a = s.previousSibling,
                                        c = r.createRangeOn(s);
                                        r.remove(c),
                                        a && a.nextSibling && Hm(r, a, a.nextSibling),
                                        op(i.attributeOldValue + 1, i.range.start, c.start, o, n, e),
                                        Fm(i.item, o, n, e);
                                        for (const e of i.item.getChildren())
                                            n.consumable.consume(e, "insert")
                                    }
                                }
                                    (e.model)),
                                t.on("remove:listItem", function (e) {
                                    return (t, i, n) => {
                                        const o = n.mapper.toViewPosition(i.position).getLastMatchingPosition(e => !e.item.is("element", "li")).nodeAfter,
                                        r = n.writer;
                                        r.breakContainer(r.createPositionBefore(o)),
                                        r.breakContainer(r.createPositionAfter(o));
                                        const s = o.parent,
                                        a = s.previousSibling,
                                        c = r.createRangeOn(s),
                                        l = r.remove(c);
                                        a && a.nextSibling && Hm(r, a, a.nextSibling);
                                        op(n.mapper.toModelElement(o).getAttribute("listIndent") + 1, i.position, c.start, o, n, e);
                                        for (const e of r.createRangeIn(l).getItems())
                                            n.mapper.unbindViewElement(e);
                                        t.stop()
                                    }
                                }
                                    (e.model)),
                                t.on("remove", Jm, {
                                    priority: "low"
                                })
                            }),
                            e.conversion.for("dataDowncast").add(t => {
                                t.on("insert", Qm, {
                                    priority: "high"
                                }),
                                t.on("insert:listItem", Ym(e.model))
                            }),
                            e.conversion.for("upcast").add(e => {
                                e.on("element:ul", Xm, {
                                    priority: "high"
                                }),
                                e.on("element:ol", Xm, {
                                    priority: "high"
                                }),
                                e.on("element:li", ep, {
                                    priority: "high"
                                }),
                                e.on("element:li", Zm)
                            }),
                            e.model.on("insertContent", ip, {
                                priority: "high"
                            }),
                            e.commands.add("numberedList", new Lm(e, "numbered")),
                            e.commands.add("bulletedList", new Lm(e, "bulleted")),
                            e.commands.add("indentList", new jm(e, "forward")),
                            e.commands.add("outdentList", new jm(e, "backward"));
                            const o = i.view.document;
                            this.listenTo(o, "enter", (e, t) => {
                                const i = this.editor.model.document,
                                n = i.selection.getLastPosition().parent;
                                i.selection.isCollapsed && "listItem" == n.name && n.isEmpty && (this.editor.execute("outdentList"), t.preventDefault(), e.stop())
                            }, {
                                context: "li"
                            }),
                            this.listenTo(o, "delete", (e, t) => {
                                if ("backward" !== t.direction)
                                    return;
                                const i = this.editor.model.document.selection;
                                if (!i.isCollapsed)
                                    return;
                                const n = i.getFirstPosition();
                                if (!n.isAtStart)
                                    return;
                                const o = n.parent;
                                if ("listItem" !== o.name)
                                    return;
                                o.previousSibling && "listItem" === o.previousSibling.name || (this.editor.execute("outdentList"), t.preventDefault(), e.stop())
                            }, {
                                context: "li"
                            });
                            const r = e => (t, i) => {
                                this.editor.commands.get(e).isEnabled && (this.editor.execute(e), i())
                            };
                            e.keystrokes.set("Tab", r("indentList")),
                            e.keystrokes.set("Shift+Tab", r("outdentList"))
                        }
                        afterInit() {
                            const e = this.editor.commands,
                            t = e.get("indent"),
                            i = e.get("outdent");
                            t && t.registerChildCommand(e.get("indentList")),
                            i && i.registerChildCommand(e.get("outdentList"))
                        }
                    }
                    function ap(e) {
                        let t = 1;
                        for (const i of e.getChildren())
                            if ("ul" == i.name || "ol" == i.name)
                                for (const e of i.getChildren())
                                    t += ap(e);
                        return t
                    }
                    class cp extends Qe {
                        static get pluginName() {
                            return "ListUI"
                        }
                        init() {
                            const e = this.editor.t;
                            qm(this.editor, "numberedList", e("Numbered List"), '<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M7 5.75c0 .414.336.75.75.75h9.5a.75.75 0 1 0 0-1.5h-9.5a.75.75 0 0 0-.75.75zM3.5 3v5H2V3.7H1v-1h2.5V3zM.343 17.857l2.59-3.257H2.92a.6.6 0 1 0-1.04 0H.302a2 2 0 1 1 3.995 0h-.001c-.048.405-.16.734-.333.988-.175.254-.59.692-1.244 1.312H4.3v1h-4l.043-.043zM7 14.75a.75.75 0 0 1 .75-.75h9.5a.75.75 0 1 1 0 1.5h-9.5a.75.75 0 0 1-.75-.75z"/></svg>'),
                            qm(this.editor, "bulletedList", e("Bulleted List"), '<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M7 5.75c0 .414.336.75.75.75h9.5a.75.75 0 1 0 0-1.5h-9.5a.75.75 0 0 0-.75.75zm-6 0C1 4.784 1.777 4 2.75 4c.966 0 1.75.777 1.75 1.75 0 .966-.777 1.75-1.75 1.75C1.784 7.5 1 6.723 1 5.75zm6 9c0 .414.336.75.75.75h9.5a.75.75 0 1 0 0-1.5h-9.5a.75.75 0 0 0-.75.75zm-6 0c0-.966.777-1.75 1.75-1.75.966 0 1.75.777 1.75 1.75 0 .966-.777 1.75-1.75 1.75-.966 0-1.75-.777-1.75-1.75z"/></svg>')
                        }
                    }
                    function lp(e, t) {
                        return e => {
                            e.on("attribute:url:media", i)
                        };
                        function i(i, n, o) {
                            if (!o.consumable.consume(n.item, i.name))
                                return;
                            const r = n.attributeNewValue,
                            s = o.writer,
                            a = o.mapper.toViewElement(n.item),
                            c = [...a.getChildren()].find(e => e.getCustomProperty("media-content"));
                            s.remove(c);
                            const l = e.getMediaViewElement(s, r, t);
                            s.insert(s.createPositionAt(a, 0), l)
                        }
                    }
                    function dp(e, t, i, n) {
                        const o = e.createContainerElement("figure", {
                            class: "media"
                        });
                        return e.insert(e.createPositionAt(o, 0), t.getMediaViewElement(e, i, n)),
                        o
                    }
                    function up(e) {
                        const t = e.getSelectedElement();
                        return t && t.is("element", "media") ? t : null
                    }
                    function hp(e, t, i) {
                        e.change(n => {
                            const o = n.createElement("media", {
                                url: t
                            });
                            e.insertContent(o, i),
                            n.setSelection(o, "on")
                        })
                    }
                    class fp extends Ze {
                        refresh() {
                            const e = this.editor.model,
                            t = e.document.selection,
                            i = e.schema,
                            n = up(t);
                            this.value = n ? n.getAttribute("url") : null,
                            this.isEnabled = function (e) {
                                const t = e.getSelectedElement();
                                return !!t && "media" === t.name
                            }
                            (t) || function (e, t) {
                                let i = Gu(e, t).parent;
                                i.isEmpty && !t.schema.isLimit(i) && (i = i.parent);
                                return t.schema.checkChild(i, "media")
                            }
                            (t, e) && !Ku(t, i)
                        }
                        execute(e) {
                            const t = this.editor.model,
                            i = t.document.selection,
                            n = up(i);
                            if (n)
                                t.change(t => {
                                    t.setAttribute("url", e, n)
                                });
                            else {
                                const n = Gu(i, t);
                                hp(t, e, n)
                            }
                        }
                    }
                    class gp {
                        constructor(e, t) {
                            const i = t.providers,
                            n = t.extraProviders || [],
                            o = new Set(t.removeProviders),
                            r = i.concat(n).filter(e => {
                                const t = e.name;
                                return t ? !o.has(t) : (Object(c.b)("media-embed-no-provider-name", {
                                        provider: e
                                    }), !1)
                            });
                            this.locale = e,
                            this.providerDefinitions = r
                        }
                        hasMedia(e) {
                            return !!this._getMedia(e)
                        }
                        getMediaViewElement(e, t, i) {
                            return this._getMedia(t).getViewElement(e, i)
                        }
                        _getMedia(e) {
                            if (!e)
                                return new mp(this.locale);
                            e = e.trim();
                            for (const t of this.providerDefinitions) {
                                const i = t.html,
                                n = en(t.url);
                                for (const t of n) {
                                    const n = this._getUrlMatches(e, t);
                                    if (n)
                                        return new mp(this.locale, e, n, i)
                                }
                            }
                            return null
                        }
                        _getUrlMatches(e, t) {
                            let i = e.match(t);
                            if (i)
                                return i;
                            let n = e.replace(/^https?:\/\//, "");
                            return i = n.match(t),
                            i || (n = n.replace(/^www\./, ""), i = n.match(t), i || null)
                        }
                    }
                    class mp {
                        constructor(e, t, i, n) {
                            this.url = this._getValidUrl(t),
                            this._t = e.t,
                            this._match = i,
                            this._previewRenderer = n
                        }
                        getViewElement(e, t) {
                            const i = {};
                            let n;
                            if (t.renderForEditingView || t.renderMediaPreview && this.url && this._previewRenderer) {
                                this.url && (i["data-oembed-url"] = this.url),
                                t.renderForEditingView && (i.class = "ck-media__wrapper");
                                const o = this._getPreviewHtml(t);
                                n = e.createRawElement("div", i, (function (e) {
                                            e.innerHTML = o
                                        }))
                            } else
                                this.url && (i.url = this.url), n = e.createEmptyElement(t.elementName, i);
                            return e.setCustomProperty("media-content", !0, n),
                            n
                        }
                        _getPreviewHtml(e) {
                            return this._previewRenderer ? this._previewRenderer(this._match) : this.url && e.renderForEditingView ? this._getPlaceholderHtml() : ""
                        }
                        _getPlaceholderHtml() {
                            const e = new ad,
                            t = new sd;
                            e.text = this._t("Open media in new tab"),
                            t.content = '<svg viewBox="0 0 64 42" xmlns="http://www.w3.org/2000/svg"><path d="M47.426 17V3.713L63.102 0v19.389h-.001l.001.272c0 1.595-2.032 3.43-4.538 4.098-2.506.668-4.538-.083-4.538-1.678 0-1.594 2.032-3.43 4.538-4.098.914-.244 2.032-.565 2.888-.603V4.516L49.076 7.447v9.556A1.014 1.014 0 0 0 49 17h-1.574zM29.5 17h-8.343a7.073 7.073 0 1 0-4.657 4.06v3.781H3.3a2.803 2.803 0 0 1-2.8-2.804V8.63a2.803 2.803 0 0 1 2.8-2.805h4.082L8.58 2.768A1.994 1.994 0 0 1 10.435 1.5h8.985c.773 0 1.477.448 1.805 1.149l1.488 3.177H26.7c1.546 0 2.8 1.256 2.8 2.805V17zm-11.637 0H17.5a1 1 0 0 0-1 1v.05A4.244 4.244 0 1 1 17.863 17zm29.684 2c.97 0 .953-.048.953.889v20.743c0 .953.016.905-.953.905H19.453c-.97 0-.953.048-.953-.905V19.89c0-.937-.016-.889.97-.889h28.077zm-4.701 19.338V22.183H24.154v16.155h18.692zM20.6 21.375v1.616h1.616v-1.616H20.6zm0 3.231v1.616h1.616v-1.616H20.6zm0 3.231v1.616h1.616v-1.616H20.6zm0 3.231v1.616h1.616v-1.616H20.6zm0 3.231v1.616h1.616v-1.616H20.6zm0 3.231v1.616h1.616V37.53H20.6zm24.233-16.155v1.616h1.615v-1.616h-1.615zm0 3.231v1.616h1.615v-1.616h-1.615zm0 3.231v1.616h1.615v-1.616h-1.615zm0 3.231v1.616h1.615v-1.616h-1.615zm0 3.231v1.616h1.615v-1.616h-1.615zm0 3.231v1.616h1.615V37.53h-1.615zM29.485 25.283a.4.4 0 0 1 .593-.35l9.05 4.977a.4.4 0 0 1 0 .701l-9.05 4.978a.4.4 0 0 1-.593-.35v-9.956z"/></svg>',
                            t.viewBox = "0 0 64 42";
                            return new Bl({
                                tag: "div",
                                attributes: {
                                    class: "ck ck-reset_all ck-media__placeholder"
                                },
                                children: [{
                                        tag: "div",
                                        attributes: {
                                            class: "ck-media__placeholder__icon"
                                        },
                                        children: [t]
                                    }, {
                                        tag: "a",
                                        attributes: {
                                            class: "ck-media__placeholder__url",
                                            target: "_blank",
                                            rel: "noopener noreferrer",
                                            href: this.url
                                        },
                                        children: [{
                                                tag: "span",
                                                attributes: {
                                                    class: "ck-media__placeholder__url__text"
                                                },
                                                children: [this.url]
                                            }, e]
                                    }
                                ]
                            }).render().outerHTML
                        }
                        _getValidUrl(e) {
                            return e ? e.match(/^https?/) ? e : "https://" + e : null
                        }
                    }
                    i(94);
                    class pp extends Qe {
                        static get pluginName() {
                            return "MediaEmbedEditing"
                        }
                        constructor(e) {
                            super(e),
                            e.config.define("mediaEmbed", {
                                elementName: "oembed",
                                providers: [{
                                        name: "dailymotion",
                                        url: /^dailymotion\.com\/video\/(\w+)/,
                                        html: e => `<div style="position: relative; padding-bottom: 100%; height: 0; "><iframe src="https://www.dailymotion.com/embed/video/${e[1]}" style="position: absolute; width: 100%; height: 100%; top: 0; left: 0;" frameborder="0" width="480" height="270" allowfullscreen allow="autoplay"></iframe></div>`
                                    }, {
                                        name: "spotify",
                                        url: [/^open\.spotify\.com\/(artist\/\w+)/, /^open\.spotify\.com\/(album\/\w+)/, /^open\.spotify\.com\/(track\/\w+)/],
                                        html: e => `<div style="position: relative; padding-bottom: 100%; height: 0; padding-bottom: 126%;"><iframe src="https://open.spotify.com/embed/${e[1]}" style="position: absolute; width: 100%; height: 100%; top: 0; left: 0;" frameborder="0" allowtransparency="true" allow="encrypted-media"></iframe></div>`
                                    }, {
                                        name: "youtube",
                                        url: [/^(?:m\.)?youtube\.com\/watch\?v=([\w-]+)/, /^(?:m\.)?youtube\.com\/v\/([\w-]+)/, /^youtube\.com\/embed\/([\w-]+)/, /^youtu\.be\/([\w-]+)/],
                                        html: e => `<div style="position: relative; padding-bottom: 100%; height: 0; padding-bottom: 56.2493%;"><iframe src="https://www.youtube.com/embed/${e[1]}" style="position: absolute; width: 100%; height: 100%; top: 0; left: 0;" frameborder="0" allow="autoplay; encrypted-media" allowfullscreen></iframe></div>`
                                    }, {
                                        name: "vimeo",
                                        url: [/^vimeo\.com\/(\d+)/, /^vimeo\.com\/[^/]+\/[^/]+\/video\/(\d+)/, /^vimeo\.com\/album\/[^/]+\/video\/(\d+)/, /^vimeo\.com\/channels\/[^/]+\/(\d+)/, /^vimeo\.com\/groups\/[^/]+\/videos\/(\d+)/, /^vimeo\.com\/ondemand\/[^/]+\/(\d+)/, /^player\.vimeo\.com\/video\/(\d+)/],
                                        html: e => `<div style="position: relative; padding-bottom: 100%; height: 0; padding-bottom: 56.2493%;"><iframe src="https://player.vimeo.com/video/${e[1]}" style="position: absolute; width: 100%; height: 100%; top: 0; left: 0;" frameborder="0" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe></div>`
                                    }, {
                                        name: "instagram",
                                        url: /^instagram\.com\/p\/(\w+)/
                                    }, {
                                        name: "twitter",
                                        url: /^twitter\.com/
                                    }, {
                                        name: "googleMaps",
                                        url: /^google\.com\/maps/
                                    }, {
                                        name: "flickr",
                                        url: /^flickr\.com/
                                    }, {
                                        name: "facebook",
                                        url: /^facebook\.com/
                                    }
                                ]
                            }),
                            this.registry = new gp(e.locale, e.config.get("mediaEmbed"))
                        }
                        init() {
                            const e = this.editor,
                            t = e.model.schema,
                            i = e.t,
                            n = e.conversion,
                            o = e.config.get("mediaEmbed.previewsInData"),
                            r = e.config.get("mediaEmbed.elementName"),
                            s = this.registry;
                            e.commands.add("mediaEmbed", new fp(e)),
                            t.register("media", {
                                isObject: !0,
                                isBlock: !0,
                                allowWhere: "$block",
                                allowAttributes: ["url"]
                            }),
                            n.for("dataDowncast").elementToElement({
                                model: "media",
                                view: (e, {
                                    writer: t
                                }) => {
                                    const i = e.getAttribute("url");
                                    return dp(t, s, i, {
                                        elementName: r,
                                        renderMediaPreview: i && o
                                    })
                                }
                            }),
                            n.for("dataDowncast").add(lp(s, {
                                    elementName: r,
                                    renderMediaPreview: o
                                })),
                            n.for("editingDowncast").elementToElement({
                                model: "media",
                                view: (e, {
                                    writer: t
                                }) => {
                                    const n = e.getAttribute("url");
                                    return function (e, t, i) {
                                        return t.setCustomProperty("media", !0, e),
                                        Hu(e, t, {
                                            label: i
                                        })
                                    }
                                    (dp(t, s, n, {
                                            elementName: r,
                                            renderForEditingView: !0
                                        }), t, i("media widget"))
                                }
                            }),
                            n.for("editingDowncast").add(lp(s, {
                                    elementName: r,
                                    renderForEditingView: !0
                                })),
                            n.for("upcast").elementToElement({
                                view: e => ["oembed", r].includes(e.name) && e.getAttribute("url") ? {
                                    name: !0
                                }
                                 : null,
                                model: (e, {
                                    writer: t
                                }) => {
                                    const i = e.getAttribute("url");
                                    if (s.hasMedia(i))
                                        return t.createElement("media", {
                                            url: i
                                        })
                                }
                            }).elementToElement({
                                view: {
                                    name: "div",
                                    attributes: {
                                        "data-oembed-url": !0
                                    }
                                },
                                model: (e, {
                                    writer: t
                                }) => {
                                    const i = e.getAttribute("data-oembed-url");
                                    if (s.hasMedia(i))
                                        return t.createElement("media", {
                                            url: i
                                        })
                                }
                            })
                        }
                    }
                    const bp = /^(?:http(s)?:\/\/)?[\w-]+\.[\w-.~:/?#[\]@!$&'()*+,;=%]+$/;
                    class wp extends Qe {
                        static get requires() {
                            return [bh, uf]
                        }
                        static get pluginName() {
                            return "AutoMediaEmbed"
                        }
                        constructor(e) {
                            super(e),
                            this._timeoutId = null,
                            this._positionToInsert = null
                        }
                        init() {
                            const e = this.editor,
                            t = e.model.document;
                            this.listenTo(e.plugins.get("ClipboardPipeline"), "inputTransformation", () => {
                                const e = t.selection.getFirstRange(),
                                i = Zc.fromPosition(e.start);
                                i.stickiness = "toPrevious";
                                const n = Zc.fromPosition(e.end);
                                n.stickiness = "toNext",
                                t.once("change:data", () => {
                                    this._embedMediaBetweenPositions(i, n),
                                    i.detach(),
                                    n.detach()
                                }, {
                                    priority: "high"
                                })
                            }),
                            e.commands.get("undo").on("execute", () => {
                                this._timeoutId && (_r.window.clearTimeout(this._timeoutId), this._positionToInsert.detach(), this._timeoutId = null, this._positionToInsert = null)
                            }, {
                                priority: "high"
                            })
                        }
                        _embedMediaBetweenPositions(e, t) {
                            const i = this.editor,
                            n = i.plugins.get(pp).registry,
                            o = new ba(e, t),
                            r = o.getWalker({
                                ignoreElementEnd: !0
                            });
                            let s = "";
                            for (const e of r)
                                e.item.is("$textProxy") && (s += e.item.data);
                            if (s = s.trim(), !s.match(bp))
                                return void o.detach();
                            if (!n.hasMedia(s))
                                return void o.detach();
                            i.commands.get("mediaEmbed").isEnabled ? (this._positionToInsert = Zc.fromPosition(e), this._timeoutId = _r.window.setTimeout(() => {
                                    i.model.change(e => {
                                        let t;
                                        this._timeoutId = null,
                                        e.remove(o),
                                        o.detach(),
                                        "$graveyard" !== this._positionToInsert.root.rootName && (t = this._positionToInsert),
                                        hp(i.model, s, t),
                                        this._positionToInsert.detach(),
                                        this._positionToInsert = null
                                    })
                                }, 100)) : o.detach()
                        }
                    }
                    i(96);
                    class kp extends jl {
                        constructor(e, t) {
                            super(t);
                            const i = t.t;
                            this.focusTracker = new Rs,
                            this.keystrokes = new Os,
                            this.set("mediaURLInputValue", ""),
                            this.urlInputView = this._createUrlInput(),
                            this.saveButtonView = this._createButton(i("Save"), Cl, "ck-button-save"),
                            this.saveButtonView.type = "submit",
                            this.saveButtonView.bind("isEnabled").to(this, "mediaURLInputValue", e => !!e),
                            this.cancelButtonView = this._createButton(i("Cancel"), Al, "ck-button-cancel", "cancel"),
                            this._focusables = new Vl,
                            this._focusCycler = new dd({
                                focusables: this._focusables,
                                focusTracker: this.focusTracker,
                                keystrokeHandler: this.keystrokes,
                                actions: {
                                    focusPrevious: "shift + tab",
                                    focusNext: "tab"
                                }
                            }),
                            this._validators = e,
                            this.setTemplate({
                                tag: "form",
                                attributes: {
                                    class: ["ck", "ck-media-form", "ck-responsive-form"],
                                    tabindex: "-1"
                                },
                                children: [this.urlInputView, this.saveButtonView, this.cancelButtonView]
                            }),
                            Ll(this)
                        }
                        render() {
                            super.render(),
                            zl({
                                view: this
                            });
                            [this.urlInputView, this.saveButtonView, this.cancelButtonView].forEach(e => {
                                this._focusables.add(e),
                                this.focusTracker.add(e.element)
                            }),
                            this.keystrokes.listenTo(this.element);
                            const e = e => e.stopPropagation();
                            this.keystrokes.set("arrowright", e),
                            this.keystrokes.set("arrowleft", e),
                            this.keystrokes.set("arrowup", e),
                            this.keystrokes.set("arrowdown", e),
                            this.listenTo(this.urlInputView.element, "selectstart", (e, t) => {
                                t.stopPropagation()
                            }, {
                                priority: "high"
                            })
                        }
                        focus() {
                            this._focusCycler.focusFirst()
                        }
                        get url() {
                            return this.urlInputView.fieldView.element.value.trim()
                        }
                        set url(e) {
                            this.urlInputView.fieldView.element.value = e.trim()
                        }
                        isValid() {
                            this.resetFormStatus();
                            for (const e of this._validators) {
                                const t = e(this);
                                if (t)
                                    return this.urlInputView.errorText = t, !1
                            }
                            return !0
                        }
                        resetFormStatus() {
                            this.urlInputView.errorText = null,
                            this.urlInputView.infoText = this._urlInputViewInfoDefault
                        }
                        _createUrlInput() {
                            const e = this.locale.t,
                            t = new jd(this.locale, Bd),
                            i = t.fieldView;
                            return this._urlInputViewInfoDefault = e("Paste the media URL in the input."),
                            this._urlInputViewInfoTip = e("Tip: Paste the URL into the content to embed faster."),
                            t.label = e("Media URL"),
                            t.infoText = this._urlInputViewInfoDefault,
                            i.on("input", () => {
                                t.infoText = i.element.value ? this._urlInputViewInfoTip : this._urlInputViewInfoDefault,
                                this.mediaURLInputValue = i.element.value.trim()
                            }),
                            t
                        }
                        _createButton(e, t, i, n) {
                            const o = new cd(this.locale);
                            return o.set({
                                label: e,
                                icon: t,
                                tooltip: !0
                            }),
                            o.extendTemplate({
                                attributes: {
                                    class: i
                                }
                            }),
                            n && o.delegate("execute").to(this, n),
                            o
                        }
                    }
                    class _p extends Qe {
                        static get requires() {
                            return [pp]
                        }
                        static get pluginName() {
                            return "MediaEmbedUI"
                        }
                        init() {
                            const e = this.editor,
                            t = e.commands.get("mediaEmbed"),
                            i = e.plugins.get(pp).registry;
                            e.ui.componentFactory.add("mediaEmbed", n => {
                                const o = Id(n),
                                r = new kp(function (e, t) {
                                    return [t => {
                                            if (!t.url.length)
                                                return e("The URL must not be empty.")
                                        }, i => {
                                            if (!t.hasMedia(i.url))
                                                return e("This media URL is not supported.")
                                        }
                                    ]
                                }
                                        (e.t, i), e.locale);
                                return this._setUpDropdown(o, r, t, e),
                                this._setUpForm(o, r, t),
                                o
                            })
                        }
                        _setUpDropdown(e, t, i) {
                            const n = this.editor,
                            o = n.t,
                            r = e.buttonView;
                            function s() {
                                n.editing.view.focus(),
                                e.isOpen = !1
                            }
                            e.bind("isEnabled").to(i),
                            e.panelView.children.add(t),
                            r.set({
                                label: o("Insert media"),
                                icon: '<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20"><path d="M18.68 3.03c.6 0 .59-.03.59.55v12.84c0 .59.01.56-.59.56H1.29c-.6 0-.59.03-.59-.56V3.58c0-.58-.01-.55.6-.55h17.38zM15.77 15V5H4.2v10h11.57zM2 4v1h1V4H2zm0 2v1h1V6H2zm0 2v1h1V8H2zm0 2v1h1v-1H2zm0 2v1h1v-1H2zm0 2v1h1v-1H2zM17 4v1h1V4h-1zm0 2v1h1V6h-1zm0 2v1h1V8h-1zm0 2v1h1v-1h-1zm0 2v1h1v-1h-1zm0 2v1h1v-1h-1zM7.5 7.177a.4.4 0 0 1 .593-.351l5.133 2.824a.4.4 0 0 1 0 .7l-5.133 2.824a.4.4 0 0 1-.593-.35V7.176v.001z"/></svg>',
                                tooltip: !0
                            }),
                            r.on("open", () => {
                                t.disableCssTransitions(),
                                t.url = i.value || "",
                                t.urlInputView.fieldView.select(),
                                t.focus(),
                                t.enableCssTransitions()
                            }, {
                                priority: "low"
                            }),
                            e.on("submit", () => {
                                t.isValid() && (n.execute("mediaEmbed", t.url), s())
                            }),
                            e.on("change:isOpen", () => t.resetFormStatus()),
                            e.on("cancel", () => s())
                        }
                        _setUpForm(e, t, i) {
                            t.delegate("submit", "cancel").to(e),
                            t.urlInputView.bind("value").to(i, "value"),
                            t.urlInputView.bind("isReadOnly").to(i, "isEnabled", e => !e)
                        }
                    }
                    i(98);
                    function vp(e, t) {
                        if (!e.childCount)
                            return;
                        const i = new _u(e.document),
                        n = function (e, t) {
                            const i = t.createRangeIn(e),
                            n = new gn({
                                name: /^p|h\d+$/,
                                styles: {
                                    "mso-list": /.*/
                                }
                            }),
                            o = [];
                            for (const e of i)
                                if ("elementStart" === e.type && n.match(e.item)) {
                                    const t = Ap(e.item);
                                    o.push({
                                        element: e.item,
                                        id: t.id,
                                        order: t.order,
                                        indent: t.indent
                                    })
                                }
                            return o
                        }
                        (e, i);
                        if (!n.length)
                            return;
                        let o = null,
                        r = 1;
                        n.forEach((e, s) => {
                            const a = function (e, t) {
                                if (!e)
                                    return !0;
                                if (e.id !== t.id)
                                    return t.indent - e.indent != 1;
                                const i = t.element.previousSibling;
                                if (!i)
                                    return !0;
                                return n = i,
                                !(n.is("element", "ol") || n.is("element", "ul"));
                                var n
                            }
                            (n[s - 1], e),
                            c = a ? null : n[s - 1],
                            l = (u = e, (d = c) ? u.indent - d.indent : u.indent - 1);
                            var d,
                            u;
                            if (a && (o = null, r = 1), !o || 0 !== l) {
                                const n = function (e, t) {
                                    const i = new RegExp(`@list l${e.id}:level${e.indent}\\s*({[^}]*)`, "gi"),
                                    n = /mso-level-number-format:([^;]{0,100});/gi,
                                    o = i.exec(t);
                                    let r = "decimal",
                                    s = "ol";
                                    if (o && o[1]) {
                                        const t = n.exec(o[1]);
                                        if (t && t[1] && (r = t[1].trim(), s = "bullet" !== r && "image" !== r ? "ol" : "ul"), "bullet" === r) {
                                            const t = function (e) {
                                                const t = function (e) {
                                                    if (e.getChild(0).is("$text"))
                                                        return null;
                                                    const t = e.getChild(0).getChild(0);
                                                    if (t.is("$text"))
                                                        return t;
                                                    return t.getChild(0)
                                                }
                                                (e);
                                                if (!t)
                                                    return null;
                                                const i = t._data;
                                                if ("o" === i)
                                                    return "circle";
                                                if ("·" === i)
                                                    return "disc";
                                                if ("§" === i)
                                                    return "square";
                                                return null
                                            }
                                            (e.element);
                                            t && (r = t)
                                        }
                                    }
                                    return {
                                        type: s,
                                        style: yp(r)
                                    }
                                }
                                (e, t);
                                if (o) {
                                    if (e.indent > r) {
                                        const e = o.getChild(o.childCount - 1),
                                        t = e.getChild(e.childCount - 1);
                                        o = xp(n, t, i),
                                        r += 1
                                    } else if (e.indent < r) {
                                        const t = r - e.indent;
                                        o = function (e, t) {
                                            const i = e.getAncestors({
                                                parentFirst: !0
                                            });
                                            let n = null,
                                            o = 0;
                                            for (const e of i)
                                                if ("ul" !== e.name && "ol" !== e.name || o++, o === t) {
                                                    n = e;
                                                    break
                                                }
                                            return n
                                        }
                                        (o, t),
                                        r = parseInt(e.indent)
                                    }
                                } else
                                    o = xp(n, e.element, i);
                                e.indent <= r && (o.is("element", n.type) || (o = i.rename(n.type, o)))
                            }
                            const h = function (e, t) {
                                return function (e, t) {
                                    const i = new gn({
                                        name: "span",
                                        styles: {
                                            "mso-list": "Ignore"
                                        }
                                    }),
                                    n = t.createRangeIn(e);
                                    for (const e of n)
                                        "elementStart" === e.type && i.match(e.item) && t.remove(e.item)
                                }
                                (e, t),
                                t.rename("li", e)
                            }
                            (e.element, i);
                            i.appendChild(h, o)
                        })
                    }
                    function yp(e) {
                        switch (e) {
                        case "arabic-leading-zero":
                            return "decimal-leading-zero";
                        case "alpha-upper":
                            return "upper-alpha";
                        case "alpha-lower":
                            return "lower-alpha";
                        case "roman-upper":
                            return "upper-roman";
                        case "roman-lower":
                            return "lower-roman";
                        case "circle":
                        case "disc":
                        case "square":
                            return e;
                        default:
                            return null
                        }
                    }
                    function xp(e, t, i) {
                        const n = t.parent,
                        o = i.createElement(e.type),
                        r = n.getChildIndex(t) + 1;
                        return i.insertChild(r, o, n),
                        e.style && i.setStyle("list-style-type", e.style, o),
                        o
                    }
                    function Ap(e) {
                        const t = {},
                        i = e.getStyle("mso-list");
                        if (i) {
                            const e = i.match(/(^|\s{1,100})l(\d+)/i),
                            n = i.match(/\s{0,100}lfo(\d+)/i),
                            o = i.match(/\s{0,100}level(\d+)/i);
                            e && n && o && (t.id = e[2], t.order = n[1], t.indent = o[1])
                        }
                        return t
                    }
                    const Cp = /id=("|')docs-internal-guid-[-0-9a-f]+("|')/i;
                    class Tp {
                        constructor(e) {
                            this.document = e
                        }
                        isActive(e) {
                            return Cp.test(e)
                        }
                        execute(e) {
                            const t = new _u(this.document);
                            !function (e, t) {
                                for (const i of e.getChildren())
                                    if (i.is("element", "b") && "normal" === i.getStyle("font-weight")) {
                                        const n = e.getChildIndex(i);
                                        t.remove(i),
                                        t.insertChild(n, i.getChildren(), e)
                                    }
                            }
                            (e.content, t),
                            function (e, t) {
                                for (const i of t.createRangeIn(e)) {
                                    const e = i.item;
                                    if (e.is("element", "li")) {
                                        const i = e.getChild(0);
                                        i && i.is("element", "p") && t.unwrapElement(i)
                                    }
                                }
                            }
                            (e.content, t)
                        }
                    }
                    function Ep(e) {
                        return e.replace(/<span(?: class="Apple-converted-space"|)>(\s+)<\/span>/g, (e, t) => 1 === t.length ? " " : Array(t.length + 1).join("  ").substr(0, t.length))
                    }
                    function Pp(e, t) {
                        const i = new DOMParser,
                        n = function (e) {
                            return Ep(Ep(e)).replace(/(<span\s+style=['"]mso-spacerun:yes['"]>[^\S\r\n]*?)[\r\n]+([^\S\r\n]*<\/span>)/g, "$1$2").replace(/<span\s+style=['"]mso-spacerun:yes['"]><\/span>/g, "").replace(/ <\//g, " </").replace(/ <o:p><\/o:p>/g, " <o:p></o:p>").replace(/<o:p>(&nbsp;|\u00A0)<\/o:p>/g, "").replace(/>([^\S\r\n]*[\r\n]\s*)</g, "><")
                        }
                        (function (e) {
                            const t = e.indexOf("</body>");
                            if (t < 0)
                                return e;
                            const i = e.indexOf("</html>", t + "</body>".length);
                            return e.substring(0, t + "</body>".length) + (i >= 0 ? e.substring(i) : "")
                        }
                            (e = e.replace(/<!--\[if gte vml 1]>/g, ""))),
                        o = i.parseFromString(n, "text/html");
                        !function (e) {
                            e.querySelectorAll("span[style*=spacerun]").forEach(e => {
                                const t = e.innerText.length || 0;
                                e.innerHTML = Array(t + 1).join("  ").substr(0, t)
                            })
                        }
                        (o);
                        const r = o.body.innerHTML,
                        s = function (e, t) {
                            const i = new vo(t),
                            n = new Tr(i, {
                                blockFillerMode: "nbsp"
                            }),
                            o = e.createDocumentFragment(),
                            r = e.body.childNodes;
                            for (; r.length > 0; )
                                o.appendChild(r[0]);
                            return n.domToView(o)
                        }
                        (o, t),
                        a = function (e) {
                            const t = [],
                            i = [],
                            n = Array.from(e.getElementsByTagName("style"));
                            for (const e of n)
                                e.sheet && e.sheet.cssRules && e.sheet.cssRules.length && (t.push(e.sheet), i.push(e.innerHTML));
                            return {
                                styles: t,
                                stylesString: i.join(" ")
                            }
                        }
                        (o);
                        return {
                            body: s,
                            bodyString: r,
                            styles: a.styles,
                            stylesString: a.stylesString
                        }
                    }
                    function Sp(e, t) {
                        if (!e.childCount)
                            return;
                        const i = new _u;
                        !function (e, t, i) {
                            const n = i.createRangeIn(t),
                            o = new gn({
                                name: "img"
                            }),
                            r = [];
                            for (const t of n)
                                if (o.match(t.item)) {
                                    const i = t.item,
                                    n = i.getAttribute("v:shapes") ? i.getAttribute("v:shapes").split(" ") : [];
                                    n.length && n.every(t => e.indexOf(t) > -1) ? r.push(i) : i.getAttribute("src") || r.push(i)
                                }
                            for (const e of r)
                                i.remove(e)
                        }
                        (function (e, t) {
                            const i = t.createRangeIn(e),
                            n = new gn({
                                name: /v:(.+)/
                            }),
                            o = [];
                            for (const e of i) {
                                const t = e.item,
                                i = t.previousSibling && t.previousSibling.name || null;
                                n.match(t) && t.getAttribute("o:gfxdata") && "v:shapetype" !== i && o.push(e.item.getAttribute("id"))
                            }
                            return o
                        }
                            (e, i), e, i),
                        function (e, t) {
                            const i = t.createRangeIn(e),
                            n = new gn({
                                name: /v:(.+)/
                            }),
                            o = [];
                            for (const e of i)
                                n.match(e.item) && o.push(e.item);
                            for (const e of o)
                                t.remove(e)
                        }
                        (e, i);
                        const n = function (e, t) {
                            const i = t.createRangeIn(e),
                            n = new gn({
                                name: "img"
                            }),
                            o = [];
                            for (const e of i)
                                n.match(e.item) && e.item.getAttribute("src").startsWith("file://") && o.push(e.item);
                            return o
                        }
                        (e, i);
                        n.length && function (e, t, i) {
                            if (e.length === t.length)
                                for (let o = 0; o < e.length; o++) {
                                    const r = `data:${t[o].type};base64,${n=t[o].hex,btoa(n.match(/\w{2}/g).map(e=>String.fromCharCode(parseInt(e,16))).join(""))}`;
                                    i.setAttribute("src", r, e[o])
                                }
                            var n
                        }
                        (n, function (e) {
                            if (!e)
                                return [];
                            const t = /{\\pict[\s\S]+?\\bliptag-?\d+(\\blipupi-?\d+)?({\\\*\\blipuid\s?[\da-fA-F]+)?[\s}]*?/,
                            i = new RegExp("(?:(" + t.source + "))([\\da-fA-F\\s]+)\\}", "g"),
                            n = e.match(i),
                            o = [];
                            if (n)
                                for (const e of n) {
                                    let i = !1;
                                    e.includes("\\pngblip") ? i = "image/png" : e.includes("\\jpegblip") && (i = "image/jpeg"),
                                    i && o.push({
                                        hex: e.replace(t, "").replace(/[^\da-fA-F]/g, ""),
                                        type: i
                                    })
                                }
                            return o
                        }
                            (t), i)
                    }
                    const Mp = /<meta\s*name="?generator"?\s*content="?microsoft\s*word\s*\d+"?\/?>/i,
                    Ip = /xmlns:o="urn:schemas-microsoft-com/i;
                    class Np {
                        constructor(e) {
                            this.document = e
                        }
                        isActive(e) {
                            return Mp.test(e) || Ip.test(e)
                        }
                        execute(e) {
                            const {
                                body: t,
                                stylesString: i
                            } = Pp(e.dataTransfer.getData("text/html"), this.document.stylesProcessor);
                            vp(t, i),
                            Sp(t, e.dataTransfer.getData("text/rtf")),
                            e.content = t
                        }
                    }
                    function Rp(e, t, i, n, o = 1) {
                        t > o ? n.setAttribute(e, t, i) : n.removeAttribute(e, i)
                    }
                    function Op(e, t, i = {}) {
                        const n = e.createElement("tableCell", i);
                        return e.insertElement("paragraph", n),
                        e.insert(n, t),
                        n
                    }
                    function Dp(e, t) {
                        const i = t.parent.parent,
                        n = parseInt(i.getAttribute("headingColumns") || 0), {
                            column: o
                        } = e.getCellLocation(t);
                        return !!n && o < n
                    }
                    function Lp() {
                        return e => {
                            e.on("element:table", (e, t, i) => {
                                const n = t.viewItem;
                                if (!i.consumable.test(n, {
                                        name: !0
                                    }))
                                    return;
                                const {
                                    rows: o,
                                    headingRows: r,
                                    headingColumns: s
                                } = function (e) {
                                    const t = {
                                        headingRows: 0,
                                        headingColumns: 0
                                    },
                                    i = [],
                                    n = [];
                                    let o;
                                    for (const r of Array.from(e.getChildren()))
                                        if ("tbody" === r.name || "thead" === r.name || "tfoot" === r.name) {
                                            "thead" !== r.name || o || (o = r);
                                            const e = Array.from(r.getChildren()).filter(e => e.is("element", "tr"));
                                            for (const r of e)
                                                if ("thead" === r.parent.name && r.parent === o)
                                                    t.headingRows++, i.push(r);
                                                else {
                                                    n.push(r);
                                                    const e = Vp(r);
                                                    e > t.headingColumns && (t.headingColumns = e)
                                                }
                                        }
                                    return t.rows = [...i, ...n],
                                    t
                                }
                                (n),
                                a = {};
                                s && (a.headingColumns = s),
                                r && (a.headingRows = r);
                                const c = i.writer.createElement("table", a);
                                if (i.safeInsert(c, t.modelCursor)) {
                                    if (i.consumable.consume(n, {
                                            name: !0
                                        }), o.forEach(e => i.convertItem(e, i.writer.createPositionAt(c, "end"))), c.isEmpty) {
                                        const e = i.writer.createElement("tableRow");
                                        i.writer.insert(e, i.writer.createPositionAt(c, "end")),
                                        Op(i.writer, i.writer.createPositionAt(e, "end"))
                                    }
                                    i.updateConversionResult(c, t)
                                }
                            })
                        }
                    }
                    function zp(e) {
                        return t => {
                            t.on("element:" + e, (e, t, i) => {
                                if (t.modelRange && t.viewItem.isEmpty) {
                                    const e = t.modelRange.start.nodeAfter,
                                    n = i.writer.createPositionAt(e, 0);
                                    i.writer.insertElement("paragraph", n)
                                }
                            }, {
                                priority: "low"
                            })
                        }
                    }
                    function Vp(e) {
                        let t = 0,
                        i = 0;
                        const n = Array.from(e.getChildren()).filter(e => "th" === e.name || "td" === e.name);
                        for (; i < n.length && "th" === n[i].name; ) {
                            const e = n[i];
                            t += parseInt(e.getAttribute("colspan") || 1),
                            i++
                        }
                        return t
                    }
                    class jp {
                        constructor(e, t = {}) {
                            this._table = e,
                            this._startRow = void 0 !== t.row ? t.row : t.startRow || 0,
                            this._endRow = void 0 !== t.row ? t.row : t.endRow,
                            this._startColumn = void 0 !== t.column ? t.column : t.startColumn || 0,
                            this._endColumn = void 0 !== t.column ? t.column : t.endColumn,
                            this._includeAllSlots = !!t.includeAllSlots,
                            this._skipRows = new Set,
                            this._row = 0,
                            this._column = 0,
                            this._cellIndex = 0,
                            this._spannedCells = new Map,
                            this._nextCellAtColumn = -1
                        }
                        [Symbol.iterator]() {
                            return this
                        }
                        next() {
                            const e = this._table.getChild(this._row);
                            if (!e || this._isOverEndRow())
                                return {
                                    done: !0
                                };
                            if (this._isOverEndColumn())
                                return this._advanceToNextRow();
                            let t = null;
                            const i = this._getSpanned();
                            if (i)
                                this._includeAllSlots && !this._shouldSkipSlot() && (t = this._formatOutValue(i.cell, i.row, i.column));
                            else {
                                const i = e.getChild(this._cellIndex);
                                if (!i)
                                    return this._advanceToNextRow();
                                const n = parseInt(i.getAttribute("colspan") || 1),
                                o = parseInt(i.getAttribute("rowspan") || 1);
                                (n > 1 || o > 1) && this._recordSpans(i, o, n),
                                this._shouldSkipSlot() || (t = this._formatOutValue(i)),
                                this._nextCellAtColumn = this._column + n
                            }
                            return this._column++,
                            this._column == this._nextCellAtColumn && this._cellIndex++,
                            t || this.next()
                        }
                        skipRow(e) {
                            this._skipRows.add(e)
                        }
                        _advanceToNextRow() {
                            return this._row++,
                            this._column = 0,
                            this._cellIndex = 0,
                            this._nextCellAtColumn = -1,
                            this.next()
                        }
                        _isOverEndRow() {
                            return void 0 !== this._endRow && this._row > this._endRow
                        }
                        _isOverEndColumn() {
                            return void 0 !== this._endColumn && this._column > this._endColumn
                        }
                        _formatOutValue(e, t = this._row, i = this._column) {
                            return {
                                done: !1,
                                value: new Bp(this, e, t, i)
                            }
                        }
                        _shouldSkipSlot() {
                            const e = this._skipRows.has(this._row),
                            t = this._row < this._startRow,
                            i = this._column < this._startColumn,
                            n = void 0 !== this._endColumn && this._column > this._endColumn;
                            return e || t || i || n
                        }
                        _getSpanned() {
                            const e = this._spannedCells.get(this._row);
                            return e && e.get(this._column) || null
                        }
                        _recordSpans(e, t, i) {
                            const n = {
                                cell: e,
                                row: this._row,
                                column: this._column
                            };
                            for (let e = this._row; e < this._row + t; e++)
                                for (let t = this._column; t < this._column + i; t++)
                                    e == this._row && t == this._column || this._markSpannedCell(e, t, n)
                        }
                        _markSpannedCell(e, t, i) {
                            this._spannedCells.has(e) || this._spannedCells.set(e, new Map);
                            this._spannedCells.get(e).set(t, i)
                        }
                    }
                    class Bp {
                        constructor(e, t, i, n) {
                            this.cell = t,
                            this.row = e._row,
                            this.column = e._column,
                            this.cellAnchorRow = i,
                            this.cellAnchorColumn = n,
                            this._cellIndex = e._cellIndex,
                            this._table = e._table
                        }
                        get isAnchor() {
                            return this.row === this.cellAnchorRow && this.column === this.cellAnchorColumn
                        }
                        get cellWidth() {
                            return parseInt(this.cell.getAttribute("colspan") || 1)
                        }
                        get cellHeight() {
                            return parseInt(this.cell.getAttribute("rowspan") || 1)
                        }
                        getPositionBefore() {
                            return this._table.root.document.model.createPositionAt(this._table.getChild(this.row), this._cellIndex)
                        }
                    }
                    function Fp(e = {}) {
                        return t => t.on("insert:table", (t, i, n) => {
                            const o = i.item;
                            if (!n.consumable.consume(o, "insert"))
                                return;
                            n.consumable.consume(o, "attribute:headingRows:table"),
                            n.consumable.consume(o, "attribute:headingColumns:table");
                            const r = e && e.asWidget,
                            s = n.writer.createContainerElement("figure", {
                                class: "table"
                            }),
                            a = n.writer.createContainerElement("table");
                            let c;
                            var l,
                            d;
                            n.writer.insert(n.writer.createPositionAt(s, 0), a),
                            r && (l = s, (d = n.writer).setCustomProperty("table", !0, l), c = Hu(l, d, {
                                    hasSelectionHandle: !0
                                }));
                            const u = new jp(o),
                            h = {
                                headingRows: o.getAttribute("headingRows") || 0,
                                headingColumns: o.getAttribute("headingColumns") || 0
                            },
                            f = new Map;
                            for (const t of u) {
                                const {
                                    row: i,
                                    cell: r
                                } = t,
                                s = o.getChild(i),
                                c = f.get(i) || $p(a, s, i, h, n);
                                f.set(i, c),
                                n.consumable.consume(r, "insert");
                                qp(t, h, n.writer.createPositionAt(c, "end"), n, e)
                            }
                            for (const e of o.getChildren()) {
                                const t = e.index;
                                f.has(t) || f.set(t, $p(a, e, t, h, n))
                            }
                            const g = n.mapper.toViewPosition(i.range.start);
                            n.mapper.bindElements(o, r ? c : s),
                            n.writer.insert(g, r ? c : s)
                        })
                    }
                    function Hp(e, t) {
                        const {
                            writer: i
                        } = t;
                        if (e.parent.is("element", "tableCell"))
                            return Up(e) ? i.createContainerElement("span", {
                                style: "display:inline-block"
                            }) : i.createContainerElement("p")
                    }
                    function Up(e) {
                        return 1 === e.parent.childCount && !Qp(e)
                    }
                    function Wp(e, t, i) {
                        const {
                            cell: n
                        } = e,
                        o = Yp(e, t),
                        r = i.mapper.toViewElement(n);
                        r && r.name !== o && function (e, t, i) {
                            const n = i.writer,
                            o = i.mapper.toViewElement(e),
                            r = Yu(n.createEditableElement(t, o.getAttributes()), n);
                            qu(r, n, (e, t, i) => i.addClass(en(t.classes), e), (e, t, i) => i.removeClass(en(t.classes), e)),
                            n.insert(n.createPositionAfter(o), r),
                            n.move(n.createRangeIn(o), n.createPositionAt(r, 0)),
                            n.remove(n.createRangeOn(o)),
                            i.mapper.unbindViewElement(o),
                            i.mapper.bindElements(e, r)
                        }
                        (n, o, i)
                    }
                    function qp(e, t, i, n, o) {
                        const r = o && o.asWidget,
                        s = Yp(e, t),
                        a = r ? Yu(n.writer.createEditableElement(s), n.writer) : n.writer.createContainerElement(s);
                        r && qu(a, n.writer, (e, t, i) => i.addClass(en(t.classes), e), (e, t, i) => i.removeClass(en(t.classes), e));
                        const c = e.cell,
                        l = c.getChild(0),
                        d = 1 === c.childCount && "paragraph" === l.name;
                        if (n.writer.insert(i, a), n.mapper.bindElements(c, a), !r && d && !Qp(l)) {
                            const e = c.getChild(0);
                            n.consumable.consume(e, "insert"),
                            n.mapper.bindElements(e, a)
                        }
                    }
                    function $p(e, t, i, n, o) {
                        o.consumable.consume(t, "insert");
                        const r = t.isEmpty ? o.writer.createEmptyElement("tr") : o.writer.createContainerElement("tr");
                        o.mapper.bindElements(t, r);
                        const s = n.headingRows,
                        a = function (e, t, i) {
                            const n = Gp(e, t);
                            return n || function (e, t, i) {
                                const n = i.writer.createContainerElement(e),
                                o = i.writer.createPositionAt(t, "tbody" == e ? "end" : 0);
                                return i.writer.insert(o, n),
                                n
                            }
                            (e, t, i)
                        }
                        (function (e, t) {
                            return e < t.headingRows ? "thead" : "tbody"
                        }
                            (i, n), e, o),
                        c = s > 0 && i >= s ? i - s : i,
                        l = o.writer.createPositionAt(a, c);
                        return o.writer.insert(l, r),
                        r
                    }
                    function Yp(e, t) {
                        const {
                            row: i,
                            column: n
                        } = e, {
                            headingColumns: o,
                            headingRows: r
                        } = t;
                        if (r && r > i)
                            return "th";
                        return o && o > n ? "th" : "td"
                    }
                    function Gp(e, t) {
                        for (const i of t.getChildren())
                            if (i.name == e)
                                return i
                    }
                    function Kp(e, t, i) {
                        const n = Gp(e, t);
                        n && 0 === n.childCount && i.writer.remove(i.writer.createRangeOn(n))
                    }
                    function Qp(e) {
                        return !![...e.getAttributeKeys()].length
                    }
                    class Jp extends Ze {
                        refresh() {
                            const e = this.editor.model,
                            t = e.document.selection,
                            i = e.schema;
                            this.isEnabled = function (e, t) {
                                const i = e.getFirstPosition().parent,
                                n = i === i.root ? i : i.parent;
                                return t.checkChild(n, "table")
                            }
                            (t, i) && !Ku(t, i)
                        }
                        execute(e = {}) {
                            const t = this.editor.model,
                            i = t.document.selection,
                            n = this.editor.plugins.get("TableUtils"),
                            o = Gu(i, t);
                            t.change(i => {
                                const r = n.createTable(i, e);
                                t.insertContent(r, o),
                                i.setSelection(i.createPositionAt(r.getNodeByPath([0, 0, 0]), 0))
                            })
                        }
                    }
                    function Zp(e) {
                        const t = [];
                        for (const i of ob(e.getRanges())) {
                            const e = i.getContainedElement();
                            e && e.is("element", "tableCell") && t.push(e)
                        }
                        return t
                    }
                    function Xp(e) {
                        const t = [];
                        for (const i of e.getRanges()) {
                            const e = i.start.findAncestor("tableCell");
                            e && t.push(e)
                        }
                        return t
                    }
                    function eb(e) {
                        const t = Zp(e);
                        return t.length ? t : Xp(e)
                    }
                    function tb(e) {
                        return rb(e.map(e => e.parent.index))
                    }
                    function ib(e) {
                        const t = e[0].findAncestor("table");
                        return rb([...new jp(t)].filter(t => e.includes(t.cell)).map(e => e.column))
                    }
                    function nb(e, t) {
                        if (e.length < 2 || !function (e) {
                            const t = e[0].findAncestor("table"),
                            i = tb(e),
                            n = parseInt(t.getAttribute("headingRows") || 0);
                            if (!ab(i, n))
                                return !1;
                            const o = parseInt(t.getAttribute("headingColumns") || 0);
                            return ab(ib(e), o)
                        }
                            (e))
                            return !1;
                        const i = new Set,
                        n = new Set;
                        let o = 0;
                        for (const r of e) {
                            const {
                                row: e,
                                column: s
                            } = t.getCellLocation(r),
                            a = parseInt(r.getAttribute("rowspan") || 1),
                            c = parseInt(r.getAttribute("colspan") || 1);
                            i.add(e),
                            n.add(s),
                            a > 1 && i.add(e + a - 1),
                            c > 1 && n.add(s + c - 1),
                            o += a * c
                        }
                        return function (e, t) {
                            const i = Array.from(e.values()),
                            n = Array.from(t.values()),
                            o = Math.max(...i),
                            r = Math.min(...i),
                            s = Math.max(...n),
                            a = Math.min(...n);
                            return (o - r + 1) * (s - a + 1)
                        }
                        (i, n) == o
                    }
                    function ob(e) {
                        return Array.from(e).sort(sb)
                    }
                    function rb(e) {
                        const t = e.sort((e, t) => e - t);
                        return {
                            first: t[0],
                            last: t[t.length - 1]
                        }
                    }
                    function sb(e, t) {
                        const i = e.start,
                        n = t.start;
                        return i.isBefore(n) ? -1 : 1
                    }
                    function ab({
                        first: e,
                        last: t
                    }, i) {
                        return e < i === t < i
                    }
                    class cb extends Ze {
                        constructor(e, t = {}) {
                            super(e),
                            this.order = t.order || "below"
                        }
                        refresh() {
                            const e = this.editor.model.document.selection.getFirstPosition().findAncestor("table");
                            this.isEnabled = !!e
                        }
                        execute() {
                            const e = this.editor,
                            t = e.model.document.selection,
                            i = e.plugins.get("TableUtils"),
                            n = "above" === this.order,
                            o = eb(t),
                            r = tb(o),
                            s = n ? r.first : r.last,
                            a = o[0].findAncestor("table");
                            i.insertRows(a, {
                                at: n ? s : s + 1,
                                copyStructureFromAbove: !n
                            })
                        }
                    }
                    class lb extends Ze {
                        constructor(e, t = {}) {
                            super(e),
                            this.order = t.order || "right"
                        }
                        refresh() {
                            const e = this.editor.model.document.selection.getFirstPosition().findAncestor("table");
                            this.isEnabled = !!e
                        }
                        execute() {
                            const e = this.editor,
                            t = e.model.document.selection,
                            i = e.plugins.get("TableUtils"),
                            n = "left" === this.order,
                            o = eb(t),
                            r = ib(o),
                            s = n ? r.first : r.last,
                            a = o[0].findAncestor("table");
                            i.insertColumns(a, {
                                columns: 1,
                                at: n ? s : s + 1
                            })
                        }
                    }
                    class db extends Ze {
                        constructor(e, t = {}) {
                            super(e),
                            this.direction = t.direction || "horizontally"
                        }
                        refresh() {
                            const e = eb(this.editor.model.document.selection);
                            this.isEnabled = 1 === e.length
                        }
                        execute() {
                            const e = eb(this.editor.model.document.selection)[0],
                            t = "horizontally" === this.direction,
                            i = this.editor.plugins.get("TableUtils");
                            t ? i.splitCellHorizontally(e, 2) : i.splitCellVertically(e, 2)
                        }
                    }
                    function ub(e, t, i) {
                        const {
                            startRow: n,
                            startColumn: o,
                            endRow: r,
                            endColumn: s
                        } = t,
                        a = i.createElement("table"),
                        c = r - n + 1;
                        for (let e = 0; e < c; e++)
                            i.insertElement("tableRow", a, "end");
                        const l = [...new jp(e, {
                                startRow: n,
                                endRow: r,
                                startColumn: o,
                                endColumn: s,
                                includeAllSlots: !0
                            })];
                        for (const {
                            row: e,
                            column: t,
                            cell: c,
                            isAnchor: d,
                            cellAnchorRow: u,
                            cellAnchorColumn: h
                        }
                            of l) {
                            const l = e - n,
                            f = a.getChild(l);
                            if (d) {
                                const n = i.cloneElement(c);
                                i.append(n, f),
                                pb(n, e, t, r, s, i)
                            } else (u < n || h < o) && Op(i, i.createPositionAt(f, "end"))
                        }
                        return function (e, t, i, n, o) {
                            const r = parseInt(t.getAttribute("headingRows") || 0);
                            if (r > 0) {
                                Rp("headingRows", r - i, e, o, 0)
                            }
                            const s = parseInt(t.getAttribute("headingColumns") || 0);
                            if (s > 0) {
                                Rp("headingColumns", s - n, e, o, 0)
                            }
                        }
                        (a, e, n, o, i),
                        a
                    }
                    function hb(e, t, i = 0) {
                        const n = [],
                        o = new jp(e, {
                            startRow: i,
                            endRow: t - 1
                        });
                        for (const e of o) {
                            const {
                                row: i,
                                cellHeight: o
                            } = e,
                            r = i + o - 1;
                            i < t && t <= r && n.push(e)
                        }
                        return n
                    }
                    function fb(e, t, i) {
                        const n = e.parent,
                        o = n.parent,
                        r = n.index,
                        s = t - r,
                        a = {},
                        c = parseInt(e.getAttribute("rowspan")) - s;
                        c > 1 && (a.rowspan = c);
                        const l = parseInt(e.getAttribute("colspan") || 1);
                        l > 1 && (a.colspan = l);
                        const d = r + s,
                        u = [...new jp(o, {
                                startRow: r,
                                endRow: d,
                                includeAllSlots: !0
                            })];
                        let h,
                        f = null;
                        for (const t of u) {
                            const {
                                row: n,
                                column: o,
                                cell: r
                            } = t;
                            r === e && void 0 === h && (h = o),
                            void 0 !== h && h === o && n === d && (f = Op(i, t.getPositionBefore(), a))
                        }
                        return Rp("rowspan", s, e, i),
                        f
                    }
                    function gb(e, t) {
                        const i = [],
                        n = new jp(e);
                        for (const e of n) {
                            const {
                                column: n,
                                cellWidth: o
                            } = e,
                            r = n + o - 1;
                            n < t && t <= r && i.push(e)
                        }
                        return i
                    }
                    function mb(e, t, i, n) {
                        const o = i - t,
                        r = {},
                        s = parseInt(e.getAttribute("colspan")) - o;
                        s > 1 && (r.colspan = s);
                        const a = parseInt(e.getAttribute("rowspan") || 1);
                        a > 1 && (r.rowspan = a);
                        const c = Op(n, n.createPositionAfter(e), r);
                        return Rp("colspan", o, e, n),
                        c
                    }
                    function pb(e, t, i, n, o, r) {
                        const s = parseInt(e.getAttribute("colspan") || 1),
                        a = parseInt(e.getAttribute("rowspan") || 1);
                        if (i + s - 1 > o) {
                            Rp("colspan", o - i + 1, e, r, 1)
                        }
                        if (t + a - 1 > n) {
                            Rp("rowspan", n - t + 1, e, r, 1)
                        }
                    }
                    function bb(e, t) {
                        const i = t.getColumns(e),
                        n = new Array(i).fill(0);
                        for (const {
                            column: t
                        }
                            of new jp(e))
                            n[t]++;
                        const o = n.reduce((e, t, i) => t ? e : [...e, i], []);
                        if (o.length > 0) {
                            const i = o[o.length - 1];
                            return t.removeColumns(e, {
                                at: i
                            }),
                            !0
                        }
                        return !1
                    }
                    function wb(e, t) {
                        const i = [];
                        for (let t = 0; t < e.childCount; t++) {
                            e.getChild(t).isEmpty && i.push(t)
                        }
                        if (i.length > 0) {
                            const n = i[i.length - 1];
                            return t.removeRows(e, {
                                at: n
                            }),
                            !0
                        }
                        return !1
                    }
                    function kb(e, t) {
                        bb(e, t) || wb(e, t)
                    }
                    function _b(e, t) {
                        const i = Array.from(new jp(e, {
                                    startColumn: t.firstColumn,
                                    endColumn: t.lastColumn,
                                    row: t.lastRow
                                }));
                        if (i.every(({
                                    cellHeight: e
                                }) => 1 === e))
                            return t.lastRow;
                        const n = i[0].cellHeight - 1;
                        return t.lastRow + n
                    }
                    function vb(e, t) {
                        const i = Array.from(new jp(e, {
                                    startRow: t.firstRow,
                                    endRow: t.lastRow,
                                    column: t.lastColumn
                                }));
                        if (i.every(({
                                    cellWidth: e
                                }) => 1 === e))
                            return t.lastColumn;
                        const n = i[0].cellWidth - 1;
                        return t.lastColumn + n
                    }
                    class yb extends Ze {
                        constructor(e, t) {
                            super(e),
                            this.direction = t.direction,
                            this.isHorizontal = "right" == this.direction || "left" == this.direction
                        }
                        refresh() {
                            const e = this._getMergeableCell();
                            this.value = e,
                            this.isEnabled = !!e
                        }
                        execute() {
                            const e = this.editor.model,
                            t = Xp(e.document.selection)[0],
                            i = this.value,
                            n = this.direction;
                            e.change(e => {
                                const o = "right" == n || "down" == n,
                                r = o ? t : i,
                                s = o ? i : t,
                                a = s.parent;
                                !function (e, t, i) {
                                    xb(e) || (xb(t) && i.remove(i.createRangeIn(t)), i.move(i.createRangeIn(e), i.createPositionAt(t, "end")));
                                    i.remove(e)
                                }
                                (s, r, e);
                                const c = this.isHorizontal ? "colspan" : "rowspan",
                                l = parseInt(t.getAttribute(c) || 1),
                                d = parseInt(i.getAttribute(c) || 1);
                                e.setAttribute(c, l + d, r),
                                e.setSelection(e.createRangeIn(r));
                                const u = this.editor.plugins.get("TableUtils");
                                kb(a.findAncestor("table"), u)
                            })
                        }
                        _getMergeableCell() {
                            const e = Xp(this.editor.model.document.selection)[0];
                            if (!e)
                                return;
                            const t = this.editor.plugins.get("TableUtils"),
                            i = this.isHorizontal ? function (e, t, i) {
                                const n = e.parent.parent,
                                o = "right" == t ? e.nextSibling : e.previousSibling,
                                r = (n.getAttribute("headingColumns") || 0) > 0;
                                if (!o)
                                    return;
                                const s = "right" == t ? e : o,
                                a = "right" == t ? o : e, {
                                    column: c
                                } = i.getCellLocation(s), {
                                    column: l
                                } = i.getCellLocation(a),
                                d = parseInt(s.getAttribute("colspan") || 1),
                                u = Dp(i, s),
                                h = Dp(i, a);
                                if (r && u != h)
                                    return;
                                return c + d === l ? o : void 0
                            }
                            (e, this.direction, t) : function (e, t) {
                                const i = e.parent,
                                n = i.parent,
                                o = n.getChildIndex(i);
                                if ("down" == t && o === n.childCount - 1 || "up" == t && 0 === o)
                                    return;
                                const r = parseInt(e.getAttribute("rowspan") || 1),
                                s = n.getAttribute("headingRows") || 0,
                                a = "down" == t && o + r === s,
                                c = "up" == t && o === s;
                                if (s && (a || c))
                                    return;
                                const l = parseInt(e.getAttribute("rowspan") || 1),
                                d = "down" == t ? o + l : o,
                                u = [...new jp(n, {
                                        endRow: d
                                    })],
                                h = u.find(t => t.cell === e).column,
                                f = u.find(({
                                            row: e,
                                            cellHeight: i,
                                            column: n
                                        }) => n === h && ("down" == t ? e === d : d === e + i));
                                return f && f.cell
                            }
                            (e, this.direction);
                            if (!i)
                                return;
                            const n = this.isHorizontal ? "rowspan" : "colspan",
                            o = parseInt(e.getAttribute(n) || 1);
                            return parseInt(i.getAttribute(n) || 1) === o ? i : void 0
                        }
                    }
                    function xb(e) {
                        return 1 == e.childCount && e.getChild(0).is("element", "paragraph") && e.getChild(0).isEmpty
                    }
                    class Ab extends Ze {
                        refresh() {
                            const e = eb(this.editor.model.document.selection),
                            t = e[0];
                            if (t) {
                                const i = t.findAncestor("table"),
                                n = this.editor.plugins.get("TableUtils").getRows(i) - 1,
                                o = tb(e),
                                r = 0 === o.first && o.last === n;
                                this.isEnabled = !r
                            } else
                                this.isEnabled = !1
                        }
                        execute() {
                            const e = this.editor.model,
                            t = eb(e.document.selection),
                            i = tb(t),
                            n = t[0],
                            o = n.findAncestor("table"),
                            r = this.editor.plugins.get("TableUtils").getCellLocation(n).column;
                            e.change(e => {
                                const t = i.last - i.first + 1;
                                this.editor.plugins.get("TableUtils").removeRows(o, {
                                    at: i.first,
                                    rows: t
                                });
                                const n = function (e, t, i) {
                                    const n = e.getChild(t) || e.getChild(e.childCount - 1);
                                    let o = n.getChild(0),
                                    r = 0;
                                    for (const e of n.getChildren()) {
                                        if (r > i)
                                            return o;
                                        o = e,
                                        r += parseInt(e.getAttribute("colspan") || 1)
                                    }
                                    return o
                                }
                                (o, i.first, r);
                                e.setSelection(e.createPositionAt(n, 0))
                            })
                        }
                    }
                    class Cb extends Ze {
                        refresh() {
                            const e = eb(this.editor.model.document.selection),
                            t = e[0];
                            if (t) {
                                const i = t.findAncestor("table"),
                                n = this.editor.plugins.get("TableUtils").getColumns(i), {
                                    first: o,
                                    last: r
                                } = ib(e);
                                this.isEnabled = r - o < n - 1
                            } else
                                this.isEnabled = !1
                        }
                        execute() {
                            const[e, t] = function (e) {
                                const t = eb(e),
                                i = t[0],
                                n = t.pop(),
                                o = [i, n];
                                return i.isBefore(n) ? o : o.reverse()
                            }
                            (this.editor.model.document.selection),
                            i = e.parent.parent,
                            n = [...new jp(i)],
                            o = {
                                first: n.find(t => t.cell === e).column,
                                last: n.find(e => e.cell === t).column
                            },
                            r = function (e, t, i, n) {
                                return parseInt(i.getAttribute("colspan") || 1) > 1 ? i : t.previousSibling || i.nextSibling ? i.nextSibling || t.previousSibling : n.first ? e.reverse().find(({
                                        column: e
                                    }) => e < n.first).cell : e.reverse().find(({
                                        column: e
                                    }) => e > n.last).cell
                            }
                            (n, e, t, o);
                            this.editor.model.change(e => {
                                const t = o.last - o.first + 1;
                                this.editor.plugins.get("TableUtils").removeColumns(i, {
                                    at: o.first,
                                    columns: t
                                }),
                                e.setSelection(e.createPositionAt(r, 0))
                            })
                        }
                    }
                    class Tb extends Ze {
                        refresh() {
                            const e = eb(this.editor.model.document.selection),
                            t = e.length > 0;
                            this.isEnabled = t,
                            this.value = t && e.every(e => this._isInHeading(e, e.parent.parent))
                        }
                        execute(e = {}) {
                            if (e.forceValue === this.value)
                                return;
                            const t = this.editor.model,
                            i = eb(t.document.selection),
                            n = i[0].findAncestor("table"), {
                                first: o,
                                last: r
                            } = tb(i),
                            s = this.value ? o : r + 1,
                            a = n.getAttribute("headingRows") || 0;
                            t.change(e => {
                                if (s) {
                                    const t = hb(n, s, s > a ? a : 0);
                                    for (const {
                                        cell: i
                                    }
                                        of t)
                                        fb(i, s, e)
                                }
                                Rp("headingRows", s, n, e, 0)
                            })
                        }
                        _isInHeading(e, t) {
                            const i = parseInt(t.getAttribute("headingRows") || 0);
                            return !!i && e.parent.index < i
                        }
                    }
                    class Eb extends Ze {
                        refresh() {
                            const e = eb(this.editor.model.document.selection),
                            t = this.editor.plugins.get("TableUtils"),
                            i = e.length > 0;
                            this.isEnabled = i,
                            this.value = i && e.every(e => Dp(t, e))
                        }
                        execute(e = {}) {
                            if (e.forceValue === this.value)
                                return;
                            const t = this.editor.model,
                            i = eb(t.document.selection),
                            n = i[0].findAncestor("table"), {
                                first: o,
                                last: r
                            } = ib(i),
                            s = this.value ? o : r + 1;
                            t.change(e => {
                                if (s) {
                                    const t = gb(n, s);
                                    for (const {
                                        cell: i,
                                        column: n
                                    }
                                        of t)
                                        mb(i, n, s, e)
                                }
                                Rp("headingColumns", s, n, e, 0)
                            })
                        }
                    }
                    class Pb extends Qe {
                        static get pluginName() {
                            return "TableUtils"
                        }
                        init() {
                            this.decorate("insertColumns"),
                            this.decorate("insertRows")
                        }
                        getCellLocation(e) {
                            const t = e.parent,
                            i = t.parent,
                            n = i.getChildIndex(t),
                            o = new jp(i, {
                                row: n
                            });
                            for (const {
                                cell: t,
                                row: i,
                                column: n
                            }
                                of o)
                                if (t === e)
                                    return {
                                        row: i,
                                        column: n
                                    }
                        }
                        createTable(e, t) {
                            const i = e.createElement("table");
                            return Sb(e, i, 0, parseInt(t.rows) || 2, parseInt(t.columns) || 2),
                            t.headingRows && Rp("headingRows", t.headingRows, i, e, 0),
                            t.headingColumns && Rp("headingColumns", t.headingColumns, i, e, 0),
                            i
                        }
                        insertRows(e, t = {}) {
                            const i = this.editor.model,
                            n = t.at || 0,
                            o = t.rows || 1,
                            r = void 0 !== t.copyStructureFromAbove,
                            s = t.copyStructureFromAbove ? n - 1 : n,
                            a = this.getRows(e),
                            c = this.getColumns(e);
                            i.change(t => {
                                const i = e.getAttribute("headingRows") || 0;
                                if (i > n && Rp("headingRows", i + o, e, t, 0), !r && (0 === n || n === a))
                                    return void Sb(t, e, n, o, c);
                                const l = r ? Math.max(n, s) : n,
                                d = new jp(e, {
                                    endRow: l
                                }),
                                u = new Array(c).fill(1);
                                for (const {
                                    row: e,
                                    column: i,
                                    cellHeight: a,
                                    cellWidth: c,
                                    cell: l
                                }
                                    of d) {
                                    const d = e + a - 1,
                                    h = e <= s && s <= d;
                                    e < n && n <= d ? (t.setAttribute("rowspan", a + o, l), u[i] = -c) : r && h && (u[i] = c)
                                }
                                for (let i = 0; i < o; i++) {
                                    const i = t.createElement("tableRow");
                                    t.insert(i, e, n);
                                    for (let e = 0; e < u.length; e++) {
                                        const n = u[e],
                                        o = t.createPositionAt(i, "end");
                                        n > 0 && Op(t, o, n > 1 ? {
                                            colspan: n
                                        }
                                             : null),
                                        e += Math.abs(n) - 1
                                    }
                                }
                            })
                        }
                        insertColumns(e, t = {}) {
                            const i = this.editor.model,
                            n = t.at || 0,
                            o = t.columns || 1;
                            i.change(t => {
                                const i = e.getAttribute("headingColumns");
                                n < i && t.setAttribute("headingColumns", i + o, e);
                                const r = this.getColumns(e);
                                if (0 === n || r === n) {
                                    for (const i of e.getChildren())
                                        Mb(o, t, t.createPositionAt(i, n ? "end" : 0));
                                    return
                                }
                                const s = new jp(e, {
                                    column: n,
                                    includeAllSlots: !0
                                });
                                for (const e of s) {
                                    const {
                                        row: i,
                                        cell: r,
                                        cellAnchorColumn: a,
                                        cellAnchorRow: c,
                                        cellWidth: l,
                                        cellHeight: d
                                    } = e;
                                    if (a < n) {
                                        t.setAttribute("colspan", l + o, r);
                                        const e = c + d - 1;
                                        for (let t = i; t <= e; t++)
                                            s.skipRow(t)
                                    } else
                                        Mb(o, t, e.getPositionBefore())
                                }
                            })
                        }
                        removeRows(e, t) {
                            const i = this.editor.model,
                            n = t.rows || 1,
                            o = t.at,
                            r = o + n - 1;
                            i.change(t => {
                                const {
                                    cellsToMove: i,
                                    cellsToTrim: n
                                } = function (e, t, i) {
                                    const n = new Map,
                                    o = [];
                                    for (const {
                                        row: r,
                                        column: s,
                                        cellHeight: a,
                                        cell: c
                                    }
                                        of new jp(e, {
                                            endRow: i
                                        })) {
                                        const e = r + a - 1;
                                        if (r >= t && r <= i && e > i) {
                                            const e = a - (i - r + 1);
                                            n.set(s, {
                                                cell: c,
                                                rowspan: e
                                            })
                                        }
                                        if (r < t && e >= t) {
                                            let n;
                                            n = e >= i ? i - t + 1 : e - t + 1,
                                            o.push({
                                                cell: c,
                                                rowspan: a - n
                                            })
                                        }
                                    }
                                    return {
                                        cellsToMove: n,
                                        cellsToTrim: o
                                    }
                                }
                                (e, o, r);
                                if (i.size) {
                                    !function (e, t, i, n) {
                                        const o = [...new jp(e, {
                                                includeAllSlots: !0,
                                                row: t
                                            })],
                                        r = e.getChild(t);
                                        let s;
                                        for (const {
                                            column: e,
                                            cell: t,
                                            isAnchor: a
                                        }
                                            of o)
                                            if (i.has(e)) {
                                                const {
                                                    cell: t,
                                                    rowspan: o
                                                } = i.get(e),
                                                a = s ? n.createPositionAfter(s) : n.createPositionAt(r, 0);
                                                n.move(n.createRangeOn(t), a),
                                                Rp("rowspan", o, t, n),
                                                s = t
                                            } else
                                                a && (s = t)
                                    }
                                    (e, r + 1, i, t)
                                }
                                for (let i = r; i >= o; i--)
                                    t.remove(e.getChild(i));
                                for (const {
                                    rowspan: e,
                                    cell: i
                                }
                                    of n)
                                    Rp("rowspan", e, i, t);
                                !function (e, t, i, n) {
                                    const o = e.getAttribute("headingRows") || 0;
                                    if (t < o) {
                                        Rp("headingRows", i < o ? o - (i - t + 1) : t, e, n, 0)
                                    }
                                }
                                (e, o, r, t),
                                bb(e, this) || wb(e, this)
                            })
                        }
                        removeColumns(e, t) {
                            const i = this.editor.model,
                            n = t.at,
                            o = t.columns || 1,
                            r = t.at + o - 1;
                            i.change(t => {
                                !function (e, t, i) {
                                    const n = e.getAttribute("headingColumns") || 0;
                                    if (n && t.first < n) {
                                        const o = Math.min(n - 1, t.last) - t.first + 1;
                                        i.setAttribute("headingColumns", n - o, e)
                                    }
                                }
                                (e, {
                                    first: n,
                                    last: r
                                }, t);
                                for (let i = r; i >= n; i--)
                                    for (const {
                                        cell: n,
                                        column: o,
                                        cellWidth: r
                                    }
                                        of[...new jp(e)])
                                        o <= i && r > 1 && o + r > i ? Rp("colspan", r - 1, n, t) : o === i && t.remove(n);
                                wb(e, this) || bb(e, this)
                            })
                        }
                        splitCellVertically(e, t = 2) {
                            const i = this.editor.model,
                            n = e.parent.parent,
                            o = parseInt(e.getAttribute("rowspan") || 1),
                            r = parseInt(e.getAttribute("colspan") || 1);
                            i.change(i => {
                                if (r > 1) {
                                    const {
                                        newCellsSpan: n,
                                        updatedSpan: s
                                    } = Ib(r, t);
                                    Rp("colspan", s, e, i);
                                    const a = {};
                                    n > 1 && (a.colspan = n),
                                    o > 1 && (a.rowspan = o);
                                    Mb(r > t ? t - 1 : r - 1, i, i.createPositionAfter(e), a)
                                }
                                if (r < t) {
                                    const s = t - r,
                                    a = [...new jp(n)], {
                                        column: c
                                    } = a.find(({
                                                cell: t
                                            }) => t === e),
                                    l = a.filter(({
                                                cell: t,
                                                cellWidth: i,
                                                column: n
                                            }) => t !== e && n === c || n < c && n + i > c);
                                    for (const {
                                        cell: e,
                                        cellWidth: t
                                    }
                                        of l)
                                        i.setAttribute("colspan", t + s, e);
                                    const d = {};
                                    o > 1 && (d.rowspan = o),
                                    Mb(s, i, i.createPositionAfter(e), d);
                                    const u = n.getAttribute("headingColumns") || 0;
                                    u > c && Rp("headingColumns", u + s, n, i)
                                }
                            })
                        }
                        splitCellHorizontally(e, t = 2) {
                            const i = this.editor.model,
                            n = e.parent,
                            o = n.parent,
                            r = o.getChildIndex(n),
                            s = parseInt(e.getAttribute("rowspan") || 1),
                            a = parseInt(e.getAttribute("colspan") || 1);
                            i.change(i => {
                                if (s > 1) {
                                    const n = [...new jp(o, {
                                            startRow: r,
                                            endRow: r + s - 1,
                                            includeAllSlots: !0
                                        })], {
                                        newCellsSpan: c,
                                        updatedSpan: l
                                    } = Ib(s, t);
                                    Rp("rowspan", l, e, i);
                                    const {
                                        column: d
                                    } = n.find(({
                                                cell: t
                                            }) => t === e),
                                    u = {};
                                    c > 1 && (u.rowspan = c),
                                    a > 1 && (u.colspan = a);
                                    for (const e of n) {
                                        const {
                                            column: t,
                                            row: n
                                        } = e,
                                        o = t === d,
                                        s = (n + r + l) % c == 0;
                                        n >= r + l && o && s && Mb(1, i, e.getPositionBefore(), u)
                                    }
                                }
                                if (s < t) {
                                    const n = t - s,
                                    c = [...new jp(o, {
                                            startRow: 0,
                                            endRow: r
                                        })];
                                    for (const {
                                        cell: t,
                                        cellHeight: o,
                                        row: s
                                    }
                                        of c)
                                        if (t !== e && s + o > r) {
                                            const e = o + n;
                                            i.setAttribute("rowspan", e, t)
                                        }
                                    const l = {};
                                    a > 1 && (l.colspan = a),
                                    Sb(i, o, r + 1, n, 1, l);
                                    const d = o.getAttribute("headingRows") || 0;
                                    d > r && Rp("headingRows", d + n, o, i)
                                }
                            })
                        }
                        getColumns(e) {
                            return [...e.getChild(0).getChildren()].reduce((e, t) => e + parseInt(t.getAttribute("colspan") || 1), 0)
                        }
                        getRows(e) {
                            return e.childCount
                        }
                    }
                    function Sb(e, t, i, n, o, r = {}) {
                        for (let s = 0; s < n; s++) {
                            const n = e.createElement("tableRow");
                            e.insert(n, t, i),
                            Mb(o, e, e.createPositionAt(n, "end"), r)
                        }
                    }
                    function Mb(e, t, i, n = {}) {
                        for (let o = 0; o < e; o++)
                            Op(t, i, n)
                    }
                    function Ib(e, t) {
                        if (e < t)
                            return {
                                newCellsSpan: 1,
                                updatedSpan: 1
                            };
                        const i = Math.floor(e / t);
                        return {
                            newCellsSpan: i,
                            updatedSpan: e - i * t + i
                        }
                    }
                    class Nb extends Ze {
                        refresh() {
                            const e = Zp(this.editor.model.document.selection);
                            this.isEnabled = nb(e, this.editor.plugins.get(Pb))
                        }
                        execute() {
                            const e = this.editor.model,
                            t = this.editor.plugins.get(Pb);
                            e.change(i => {
                                const n = Zp(e.document.selection),
                                o = n.shift(), {
                                    mergeWidth: r,
                                    mergeHeight: s
                                } = function (e, t, i) {
                                    let n = 0,
                                    o = 0;
                                    for (const e of t) {
                                        const {
                                            row: t,
                                            column: r
                                        } = i.getCellLocation(e);
                                        n = Db(e, r, n, "colspan"),
                                        o = Db(e, t, o, "rowspan")
                                    }
                                    const {
                                        row: r,
                                        column: s
                                    } = i.getCellLocation(e);
                                    return {
                                        mergeWidth: n - s,
                                        mergeHeight: o - r
                                    }
                                }
                                (o, n, t);
                                Rp("colspan", r, o, i),
                                Rp("rowspan", s, o, i);
                                for (const e of n)
                                    Rb(e, o, i);
                                kb(o.findAncestor("table"), t),
                                i.setSelection(o, "in")
                            })
                        }
                    }
                    function Rb(e, t, i) {
                        Ob(e) || (Ob(t) && i.remove(i.createRangeIn(t)), i.move(i.createRangeIn(e), i.createPositionAt(t, "end"))),
                        i.remove(e)
                    }
                    function Ob(e) {
                        return 1 == e.childCount && e.getChild(0).is("element", "paragraph") && e.getChild(0).isEmpty
                    }
                    function Db(e, t, i, n) {
                        const o = parseInt(e.getAttribute(n) || 1);
                        return Math.max(i, t + o)
                    }
                    class Lb extends Ze {
                        refresh() {
                            const e = eb(this.editor.model.document.selection);
                            this.isEnabled = e.length > 0
                        }
                        execute() {
                            const e = this.editor.model,
                            t = eb(e.document.selection),
                            i = tb(t),
                            n = t[0].findAncestor("table"),
                            o = [];
                            for (let t = i.first; t <= i.last; t++)
                                for (const i of n.getChild(t).getChildren())
                                    o.push(e.createRangeOn(i));
                            e.change(e => {
                                e.setSelection(o)
                            })
                        }
                    }
                    class zb extends Ze {
                        refresh() {
                            const e = eb(this.editor.model.document.selection);
                            this.isEnabled = e.length > 0
                        }
                        execute() {
                            const e = this.editor.model,
                            t = eb(e.document.selection),
                            i = t[0],
                            n = t.pop(),
                            o = i.findAncestor("table"),
                            r = this.editor.plugins.get("TableUtils"),
                            s = r.getCellLocation(i),
                            a = r.getCellLocation(n),
                            c = Math.min(s.column, a.column),
                            l = Math.max(s.column, a.column),
                            d = [];
                            for (const t of new jp(o, {
                                    startColumn: c,
                                    endColumn: l
                                }))
                                d.push(e.createRangeOn(t.cell));
                            e.change(e => {
                                e.setSelection(d)
                            })
                        }
                    }
                    function Vb(e) {
                        e.document.registerPostFixer(t => function (e, t) {
                            const i = t.document.differ.getChanges();
                            let n = !1;
                            const o = new Set;
                            for (const t of i) {
                                let i;
                                "table" == t.name && "insert" == t.type && (i = t.position.nodeAfter),
                                "tableRow" != t.name && "tableCell" != t.name || (i = t.position.findAncestor("table")),
                                Fb(t) && (i = t.range.start.findAncestor("table")),
                                i && !o.has(i) && (n = jb(i, e) || n, n = Bb(i, e) || n, o.add(i))
                            }
                            return n
                        }
                            (t, e))
                    }
                    function jb(e, t) {
                        let i = !1;
                        const n = function (e) {
                            const t = parseInt(e.getAttribute("headingRows") || 0),
                            i = e.childCount,
                            n = [];
                            for (const {
                                row: o,
                                cell: r,
                                cellHeight: s
                            }
                                of new jp(e)) {
                                if (s < 2)
                                    continue;
                                const e = o < t ? t : i;
                                if (o + s > e) {
                                    const t = e - o;
                                    n.push({
                                        cell: r,
                                        rowspan: t
                                    })
                                }
                            }
                            return n
                        }
                        (e);
                        if (n.length) {
                            i = !0;
                            for (const e of n)
                                Rp("rowspan", e.rowspan, e.cell, t, 1)
                        }
                        return i
                    }
                    function Bb(e, t) {
                        let i = !1;
                        const n = function (e) {
                            const t = new Array(e.childCount).fill(0);
                            for (const {
                                row: i
                            }
                                of new jp(e, {
                                    includeAllSlots: !0
                                }))
                                t[i]++;
                            return t
                        }
                        (e),
                        o = [];
                        for (const[e, t]of n.entries())
                            t || o.push(e);
                        if (o.length) {
                            i = !0;
                            for (const i of o.reverse())
                                t.remove(e.getChild(i)), n.splice(i, 1)
                        }
                        const r = n[0];
                        if (!n.every(e => e === r)) {
                            const o = n.reduce((e, t) => t > e ? t : e, 0);
                            for (const[r, s]of n.entries()) {
                                const n = o - s;
                                if (n) {
                                    for (let i = 0; i < n; i++)
                                        Op(t, t.createPositionAt(e.getChild(r), "end"));
                                    i = !0
                                }
                            }
                        }
                        return i
                    }
                    function Fb(e) {
                        const t = "attribute" === e.type,
                        i = e.attributeKey;
                        return t && ("headingRows" === i || "colspan" === i || "rowspan" === i)
                    }
                    function Hb(e) {
                        e.document.registerPostFixer(t => function (e, t) {
                            const i = t.document.differ.getChanges();
                            let n = !1;
                            for (const t of i)
                                "insert" == t.type && "table" == t.name && (n = Ub(t.position.nodeAfter, e) || n), "insert" == t.type && "tableRow" == t.name && (n = Wb(t.position.nodeAfter, e) || n), "insert" == t.type && "tableCell" == t.name && (n = qb(t.position.nodeAfter, e) || n), $b(t) && (n = qb(t.position.parent, e) || n);
                            return n
                        }
                            (t, e))
                    }
                    function Ub(e, t) {
                        let i = !1;
                        for (const n of e.getChildren())
                            i = Wb(n, t) || i;
                        return i
                    }
                    function Wb(e, t) {
                        let i = !1;
                        for (const n of e.getChildren())
                            i = qb(n, t) || i;
                        return i
                    }
                    function qb(e, t) {
                        if (0 == e.childCount)
                            return t.insertElement("paragraph", e), !0;
                        const i = Array.from(e.getChildren()).filter(e => e.is("$text"));
                        for (const e of i)
                            t.wrap(t.createRangeOn(e), "paragraph");
                        return !!i.length
                    }
                    function $b(e) {
                        return !(!e.position || !e.position.parent.is("element", "tableCell")) && ("insert" == e.type && "$text" == e.name || "remove" == e.type)
                    }
                    function Yb(e, t) {
                        e.document.registerPostFixer(() => function (e, t) {
                            const i = new Set;
                            for (const t of e.getChanges()) {
                                const e = "attribute" == t.type ? t.range.start.parent : t.position.parent;
                                e.is("element", "tableCell") && i.add(e)
                            }
                            for (const n of i.values())
                                for (const i of[...n.getChildren()].filter(e => Gb(e, t)))
                                    e.refreshItem(i);
                            return !1
                        }
                            (e.document.differ, t))
                    }
                    function Gb(e, t) {
                        if (!e.is("element", "paragraph"))
                            return !1;
                        const i = t.toViewElement(e);
                        return !!i && Up(e) !== i.is("element", "span")
                    }
                    function Kb(e) {
                        e.document.registerPostFixer(() => function (e) {
                            const t = e.document.differ,
                            i = new Set;
                            for (const e of t.getChanges()) {
                                if ("attribute" != e.type)
                                    continue;
                                const t = e.range.start.nodeAfter;
                                t && t.is("element", "table") && "headingRows" == e.attributeKey && i.add(t)
                            }
                            if (i.size) {
                                for (const e of i.values())
                                    t.refreshItem(e);
                                return !0
                            }
                            return !1
                        }
                            (e))
                    }
                    i(100);
                    class Qb extends Qe {
                        static get pluginName() {
                            return "TableEditing"
                        }
                        init() {
                            const e = this.editor,
                            t = e.model,
                            i = t.schema,
                            n = e.conversion;
                            i.register("table", {
                                allowWhere: "$block",
                                allowAttributes: ["headingRows", "headingColumns"],
                                isObject: !0,
                                isBlock: !0
                            }),
                            i.register("tableRow", {
                                allowIn: "table",
                                isLimit: !0
                            }),
                            i.register("tableCell", {
                                allowIn: "tableRow",
                                allowAttributes: ["colspan", "rowspan"],
                                isLimit: !0,
                                isSelectable: !0
                            }),
                            i.extend("$block", {
                                allowIn: "tableCell"
                            }),
                            n.for("upcast").add(Lp()),
                            n.for("editingDowncast").add(Fp({
                                    asWidget: !0
                                })),
                            n.for("dataDowncast").add(Fp()),
                            n.for("upcast").elementToElement({
                                model: "tableRow",
                                view: "tr"
                            }),
                            n.for("upcast").add(e => {
                                e.on("element:tr", (e, t) => {
                                    t.viewItem.isEmpty && 0 == t.modelCursor.index && e.stop()
                                }, {
                                    priority: "high"
                                })
                            }),
                            n.for("editingDowncast").add(e => e.on("insert:tableRow", (e, t, i) => {
                                    const n = t.item;
                                    if (!i.consumable.consume(n, "insert"))
                                        return;
                                    const o = n.parent,
                                    r = function (e) {
                                        for (const t of e.getChildren())
                                            if ("table" === t.name)
                                                return t
                                    }
                                    (i.mapper.toViewElement(o)),
                                    s = o.getChildIndex(n),
                                    a = new jp(o, {
                                        row: s
                                    }),
                                    c = {
                                        headingRows: o.getAttribute("headingRows") || 0,
                                        headingColumns: o.getAttribute("headingColumns") || 0
                                    },
                                    l = new Map;
                                    for (const e of a) {
                                        const t = l.get(s) || $p(r, n, s, c, i);
                                        l.set(s, t),
                                        i.consumable.consume(e.cell, "insert"),
                                        qp(e, c, i.writer.createPositionAt(t, "end"), i, {
                                            asWidget: !0
                                        })
                                    }
                                })),
                            n.for("editingDowncast").add(e => e.on("remove:tableRow", (e, t, i) => {
                                    e.stop();
                                    const n = i.writer,
                                    o = i.mapper,
                                    r = o.toViewPosition(t.position).getLastMatchingPosition(e => !e.item.is("element", "tr")).nodeAfter,
                                    s = r.parent.parent,
                                    a = n.createRangeOn(r),
                                    c = n.remove(a);
                                    for (const e of n.createRangeIn(c).getItems())
                                        o.unbindViewElement(e);
                                    Kp("thead", s, i),
                                    Kp("tbody", s, i)
                                }, {
                                    priority: "higher"
                                })),
                            n.for("upcast").elementToElement({
                                model: "tableCell",
                                view: "td"
                            }),
                            n.for("upcast").elementToElement({
                                model: "tableCell",
                                view: "th"
                            }),
                            n.for("upcast").add(zp("td")),
                            n.for("upcast").add(zp("th")),
                            n.for("editingDowncast").add(e => e.on("insert:tableCell", (e, t, i) => {
                                    const n = t.item;
                                    if (!i.consumable.consume(n, "insert"))
                                        return;
                                    const o = n.parent,
                                    r = o.parent,
                                    s = r.getChildIndex(o),
                                    a = new jp(r, {
                                        row: s
                                    }),
                                    c = {
                                        headingRows: r.getAttribute("headingRows") || 0,
                                        headingColumns: r.getAttribute("headingColumns") || 0
                                    };
                                    for (const e of a)
                                        if (e.cell === n) {
                                            const t = i.mapper.toViewElement(o);
                                            return void qp(e, c, i.writer.createPositionAt(t, o.getChildIndex(n)), i, {
                                                asWidget: !0
                                            })
                                        }
                                })),
                            e.conversion.for("editingDowncast").elementToElement({
                                model: "paragraph",
                                view: Hp,
                                converterPriority: "high"
                            }),
                            n.attributeToAttribute({
                                model: "colspan",
                                view: "colspan"
                            }),
                            n.attributeToAttribute({
                                model: "rowspan",
                                view: "rowspan"
                            }),
                            n.for("editingDowncast").add(e => e.on("attribute:headingColumns:table", (e, t, i) => {
                                    const n = t.item;
                                    if (!i.consumable.consume(t.item, e.name))
                                        return;
                                    const o = {
                                        headingRows: n.getAttribute("headingRows") || 0,
                                        headingColumns: n.getAttribute("headingColumns") || 0
                                    },
                                    r = t.attributeOldValue,
                                    s = t.attributeNewValue,
                                    a = (r > s ? r : s) - 1;
                                    for (const e of new jp(n, {
                                            endColumn: a
                                        }))
                                        Wp(e, o, i)
                                })),
                            e.commands.add("insertTable", new Jp(e)),
                            e.commands.add("insertTableRowAbove", new cb(e, {
                                    order: "above"
                                })),
                            e.commands.add("insertTableRowBelow", new cb(e, {
                                    order: "below"
                                })),
                            e.commands.add("insertTableColumnLeft", new lb(e, {
                                    order: "left"
                                })),
                            e.commands.add("insertTableColumnRight", new lb(e, {
                                    order: "right"
                                })),
                            e.commands.add("removeTableRow", new Ab(e)),
                            e.commands.add("removeTableColumn", new Cb(e)),
                            e.commands.add("splitTableCellVertically", new db(e, {
                                    direction: "vertically"
                                })),
                            e.commands.add("splitTableCellHorizontally", new db(e, {
                                    direction: "horizontally"
                                })),
                            e.commands.add("mergeTableCells", new Nb(e)),
                            e.commands.add("mergeTableCellRight", new yb(e, {
                                    direction: "right"
                                })),
                            e.commands.add("mergeTableCellLeft", new yb(e, {
                                    direction: "left"
                                })),
                            e.commands.add("mergeTableCellDown", new yb(e, {
                                    direction: "down"
                                })),
                            e.commands.add("mergeTableCellUp", new yb(e, {
                                    direction: "up"
                                })),
                            e.commands.add("setTableColumnHeader", new Eb(e)),
                            e.commands.add("setTableRowHeader", new Tb(e)),
                            e.commands.add("selectTableRow", new Lb(e)),
                            e.commands.add("selectTableColumn", new zb(e)),
                            Kb(t),
                            Vb(t),
                            Yb(t, e.editing.mapper),
                            Hb(t)
                        }
                        static get requires() {
                            return [Pb]
                        }
                    }
                    i(102);
                    class Jb extends jl {
                        constructor(e) {
                            super(e);
                            const t = this.bindTemplate;
                            this.items = this._createGridCollection(),
                            this.set("rows", 0),
                            this.set("columns", 0),
                            this.bind("label").to(this, "columns", this, "rows", (e, t) => `${t} × ${e}`),
                            this.setTemplate({
                                tag: "div",
                                attributes: {
                                    class: ["ck"]
                                },
                                children: [{
                                        tag: "div",
                                        attributes: {
                                            class: ["ck-insert-table-dropdown__grid"]
                                        },
                                        on: {
                                            "mouseover@.ck-insert-table-dropdown-grid-box": t.to("boxover")
                                        },
                                        children: this.items
                                    }, {
                                        tag: "div",
                                        attributes: {
                                            class: ["ck-insert-table-dropdown__label"]
                                        },
                                        children: [{
                                                text: t.to("label")
                                            }
                                        ]
                                    }
                                ],
                                on: {
                                    mousedown: t.to(e => {
                                        e.preventDefault()
                                    }),
                                    click: t.to(() => {
                                        this.fire("execute")
                                    })
                                }
                            }),
                            this.on("boxover", (e, t) => {
                                const {
                                    row: i,
                                    column: n
                                } = t.target.dataset;
                                this.set({
                                    rows: parseInt(i),
                                    columns: parseInt(n)
                                })
                            }),
                            this.on("change:columns", () => {
                                this._highlightGridBoxes()
                            }),
                            this.on("change:rows", () => {
                                this._highlightGridBoxes()
                            })
                        }
                        focus() {}
                        focusLast() {}
                        _highlightGridBoxes() {
                            const e = this.rows,
                            t = this.columns;
                            this.items.map((i, n) => {
                                const o = Math.floor(n / 10) < e && n % 10 < t;
                                i.set("isOn", o)
                            })
                        }
                        _createGridCollection() {
                            const e = [];
                            for (let t = 0; t < 100; t++) {
                                const i = Math.floor(t / 10),
                                n = t % 10;
                                e.push(new Zb(this.locale, i + 1, n + 1))
                            }
                            return this.createCollection(e)
                        }
                    }
                    class Zb extends jl {
                        constructor(e, t, i) {
                            super(e);
                            const n = this.bindTemplate;
                            this.set("isOn", !1),
                            this.setTemplate({
                                tag: "div",
                                attributes: {
                                    class: ["ck-insert-table-dropdown-grid-box", n.if("isOn", "ck-on")],
                                    "data-row": t,
                                    "data-column": i
                                }
                            })
                        }
                    }
                    class Xb extends Qe {
                        static get pluginName() {
                            return "TableUI"
                        }
                        init() {
                            const e = this.editor,
                            t = this.editor.t,
                            i = "ltr" === e.locale.contentLanguageDirection;
                            e.ui.componentFactory.add("insertTable", i => {
                                const n = e.commands.get("insertTable"),
                                o = Id(i);
                                let r;
                                return o.bind("isEnabled").to(n),
                                o.buttonView.set({
                                    icon: '<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M3 6v3h4V6H3zm0 4v3h4v-3H3zm0 4v3h4v-3H3zm5 3h4v-3H8v3zm5 0h4v-3h-4v3zm4-4v-3h-4v3h4zm0-4V6h-4v3h4zm1.5 8a1.5 1.5 0 0 1-1.5 1.5H3A1.5 1.5 0 0 1 1.5 17V4c.222-.863 1.068-1.5 2-1.5h13c.932 0 1.778.637 2 1.5v13zM12 13v-3H8v3h4zm0-4V6H8v3h4z"/></svg>',
                                    label: t("Insert table"),
                                    tooltip: !0
                                }),
                                o.on("change:isOpen", () => {
                                    r || (r = new Jb(i), o.panelView.children.add(r), r.delegate("execute").to(o), o.buttonView.on("open", () => {
                                            r.rows = 0,
                                            r.columns = 0
                                        }), o.on("execute", () => {
                                            e.execute("insertTable", {
                                                rows: r.rows,
                                                columns: r.columns
                                            }),
                                            e.editing.view.focus()
                                        }))
                                }),
                                o
                            }),
                            e.ui.componentFactory.add("tableColumn", e => {
                                const n = [{
                                        type: "switchbutton",
                                        model: {
                                            commandName: "setTableColumnHeader",
                                            label: t("Header column"),
                                            bindIsOn: !0
                                        }
                                    }, {
                                        type: "separator"
                                    }, {
                                        type: "button",
                                        model: {
                                            commandName: i ? "insertTableColumnLeft" : "insertTableColumnRight",
                                            label: t("Insert column left")
                                        }
                                    }, {
                                        type: "button",
                                        model: {
                                            commandName: i ? "insertTableColumnRight" : "insertTableColumnLeft",
                                            label: t("Insert column right")
                                        }
                                    }, {
                                        type: "button",
                                        model: {
                                            commandName: "removeTableColumn",
                                            label: t("Delete column")
                                        }
                                    }, {
                                        type: "button",
                                        model: {
                                            commandName: "selectTableColumn",
                                            label: t("Select column")
                                        }
                                    }
                                ];
                                return this._prepareDropdown(t("Column"), '<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2.5 1h15A1.5 1.5 0 0 1 19 2.5v15a1.5 1.5 0 0 1-1.5 1.5h-15A1.5 1.5 0 0 1 1 17.5v-15A1.5 1.5 0 0 1 2.5 1zM2 2v16h16V2H2z" opacity=".6"/><path d="M18 7v1H2V7h16zm0 5v1H2v-1h16z" opacity=".6"/><path d="M14 1v18a1 1 0 0 1-1 1H7a1 1 0 0 1-1-1V1a1 1 0 0 1 1-1h6a1 1 0 0 1 1 1zm-2 1H8v4h4V2zm0 6H8v4h4V8zm0 6H8v4h4v-4z"/></svg>', n, e)
                            }),
                            e.ui.componentFactory.add("tableRow", e => {
                                const i = [{
                                        type: "switchbutton",
                                        model: {
                                            commandName: "setTableRowHeader",
                                            label: t("Header row"),
                                            bindIsOn: !0
                                        }
                                    }, {
                                        type: "separator"
                                    }, {
                                        type: "button",
                                        model: {
                                            commandName: "insertTableRowAbove",
                                            label: t("Insert row above")
                                        }
                                    }, {
                                        type: "button",
                                        model: {
                                            commandName: "insertTableRowBelow",
                                            label: t("Insert row below")
                                        }
                                    }, {
                                        type: "button",
                                        model: {
                                            commandName: "removeTableRow",
                                            label: t("Delete row")
                                        }
                                    }, {
                                        type: "button",
                                        model: {
                                            commandName: "selectTableRow",
                                            label: t("Select row")
                                        }
                                    }
                                ];
                                return this._prepareDropdown(t("Row"), '<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2.5 1h15A1.5 1.5 0 0 1 19 2.5v15a1.5 1.5 0 0 1-1.5 1.5h-15A1.5 1.5 0 0 1 1 17.5v-15A1.5 1.5 0 0 1 2.5 1zM2 2v16h16V2H2z" opacity=".6"/><path d="M7 2h1v16H7V2zm5 0h1v16h-1V2z" opacity=".6"/><path d="M1 6h18a1 1 0 0 1 1 1v6a1 1 0 0 1-1 1H1a1 1 0 0 1-1-1V7a1 1 0 0 1 1-1zm1 2v4h4V8H2zm6 0v4h4V8H8zm6 0v4h4V8h-4z"/></svg>', i, e)
                            }),
                            e.ui.componentFactory.add("mergeTableCells", e => {
                                const n = [{
                                        type: "button",
                                        model: {
                                            commandName: "mergeTableCellUp",
                                            label: t("Merge cell up")
                                        }
                                    }, {
                                        type: "button",
                                        model: {
                                            commandName: i ? "mergeTableCellRight" : "mergeTableCellLeft",
                                            label: t("Merge cell right")
                                        }
                                    }, {
                                        type: "button",
                                        model: {
                                            commandName: "mergeTableCellDown",
                                            label: t("Merge cell down")
                                        }
                                    }, {
                                        type: "button",
                                        model: {
                                            commandName: i ? "mergeTableCellLeft" : "mergeTableCellRight",
                                            label: t("Merge cell left")
                                        }
                                    }, {
                                        type: "separator"
                                    }, {
                                        type: "button",
                                        model: {
                                            commandName: "splitTableCellVertically",
                                            label: t("Split cell vertically")
                                        }
                                    }, {
                                        type: "button",
                                        model: {
                                            commandName: "splitTableCellHorizontally",
                                            label: t("Split cell horizontally")
                                        }
                                    }
                                ];
                                return this._prepareMergeSplitButtonDropdown(t("Merge cells"), '<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2.5 1h15A1.5 1.5 0 0 1 19 2.5v15a1.5 1.5 0 0 1-1.5 1.5h-15A1.5 1.5 0 0 1 1 17.5v-15A1.5 1.5 0 0 1 2.5 1zM2 2v16h16V2H2z" opacity=".6"/><path d="M7 2h1v16H7V2zm5 0h1v7h-1V2zm6 5v1H2V7h16zM8 12v1H2v-1h6z" opacity=".6"/><path d="M7 7h12a1 1 0 0 1 1 1v11a1 1 0 0 1-1 1H7a1 1 0 0 1-1-1V8a1 1 0 0 1 1-1zm1 2v9h10V9H8z"/></svg>', n, e)
                            })
                        }
                        _prepareDropdown(e, t, i, n) {
                            const o = this.editor,
                            r = Id(n),
                            s = this._fillDropdownWithListOptions(r, i);
                            return r.buttonView.set({
                                label: e,
                                icon: t,
                                tooltip: !0
                            }),
                            r.bind("isEnabled").toMany(s, "isEnabled", (...e) => e.some(e => e)),
                            this.listenTo(r, "execute", e => {
                                o.execute(e.source.commandName),
                                o.editing.view.focus()
                            }),
                            r
                        }
                        _prepareMergeSplitButtonDropdown(e, t, i, n) {
                            const o = this.editor,
                            r = Id(n, gd);
                            return this._fillDropdownWithListOptions(r, i),
                            r.buttonView.set({
                                label: e,
                                icon: t,
                                tooltip: !0,
                                isEnabled: !0
                            }),
                            this.listenTo(r.buttonView, "execute", () => {
                                o.execute("mergeTableCells"),
                                o.editing.view.focus()
                            }),
                            this.listenTo(r, "execute", e => {
                                o.execute(e.source.commandName),
                                o.editing.view.focus()
                            }),
                            r
                        }
                        _fillDropdownWithListOptions(e, t) {
                            const i = this.editor,
                            n = [],
                            o = new Zi;
                            for (const e of t)
                                ew(e, i, n, o);
                            return Nd(e, o, i.ui.componentFactory),
                            n
                        }
                    }
                    function ew(e, t, i, n) {
                        const o = e.model = new Hd(e.model), {
                            commandName: r,
                            bindIsOn: s
                        } = e.model;
                        if ("button" === e.type || "switchbutton" === e.type) {
                            const e = t.commands.get(r);
                            i.push(e),
                            o.set({
                                commandName: r
                            }),
                            o.bind("isEnabled").to(e),
                            s && o.bind("isOn").to(e, "value")
                        }
                        o.set({
                            withText: !0
                        }),
                        n.add(e)
                    }
                    i(104);
                    class tw extends Qe {
                        static get pluginName() {
                            return "TableSelection"
                        }
                        static get requires() {
                            return [Pb]
                        }
                        init() {
                            const e = this.editor.model;
                            this.listenTo(e, "deleteContent", (e, t) => this._handleDeleteContent(e, t), {
                                priority: "high"
                            }),
                            this._defineSelectionConverter(),
                            this._enablePluginDisabling()
                        }
                        getSelectedTableCells() {
                            const e = Zp(this.editor.model.document.selection);
                            return 0 == e.length ? null : e
                        }
                        getSelectionAsFragment() {
                            const e = this.getSelectedTableCells();
                            return e ? this.editor.model.change(t => {
                                const i = t.createDocumentFragment(),
                                n = this.editor.plugins.get("TableUtils"), {
                                    first: o,
                                    last: r
                                } = ib(e), {
                                    first: s,
                                    last: a
                                } = tb(e),
                                c = e[0].findAncestor("table");
                                let l = a,
                                d = r;
                                if (nb(e, n)) {
                                    const e = {
                                        firstColumn: o,
                                        lastColumn: r,
                                        firstRow: s,
                                        lastRow: a
                                    };
                                    l = _b(c, e),
                                    d = vb(c, e)
                                }
                                const u = ub(c, {
                                    startRow: s,
                                    startColumn: o,
                                    endRow: l,
                                    endColumn: d
                                }, t);
                                return t.insert(u, i, 0),
                                i
                            }) : null
                        }
                        setCellSelection(e, t) {
                            const i = this._getCellsToSelect(e, t);
                            this.editor.model.change(e => {
                                e.setSelection(i.cells.map(t => e.createRangeOn(t)), {
                                    backward: i.backward
                                })
                            })
                        }
                        getFocusCell() {
                            const e = [...this.editor.model.document.selection.getRanges()].pop().getContainedElement();
                            return e && e.is("element", "tableCell") ? e : null
                        }
                        getAnchorCell() {
                            const e = Ns(this.editor.model.document.selection.getRanges()).getContainedElement();
                            return e && e.is("element", "tableCell") ? e : null
                        }
                        _defineSelectionConverter() {
                            const e = this.editor,
                            t = new Set;
                            e.conversion.for("editingDowncast").add(e => e.on("selection", (e, i, n) => {
                                    const o = n.writer;
                                    !function (e) {
                                        for (const i of t)
                                            e.removeClass("ck-editor__editable_selected", i);
                                        t.clear()
                                    }
                                    (o);
                                    const r = this.getSelectedTableCells();
                                    if (!r)
                                        return;
                                    for (const e of r) {
                                        const i = n.mapper.toViewElement(e);
                                        o.addClass("ck-editor__editable_selected", i),
                                        t.add(i)
                                    }
                                    const s = n.mapper.toViewElement(r[r.length - 1]);
                                    o.setSelection(s, 0)
                                }, {
                                    priority: "lowest"
                                }))
                        }
                        _enablePluginDisabling() {
                            const e = this.editor;
                            this.on("change:isEnabled", () => {
                                if (!this.isEnabled) {
                                    const t = this.getSelectedTableCells();
                                    if (!t)
                                        return;
                                    e.model.change(i => {
                                        const n = i.createPositionAt(t[0], 0),
                                        o = e.model.schema.getNearestSelectionRange(n);
                                        i.setSelection(o)
                                    })
                                }
                            })
                        }
                        _handleDeleteContent(e, t) {
                            const[i, n] = t,
                            o = this.editor.model,
                            r = !n || "backward" == n.direction,
                            s = Zp(i);
                            s.length && (e.stop(), o.change(e => {
                                    const t = s[r ? s.length - 1 : 0];
                                    o.change(e => {
                                        for (const t of s)
                                            o.deleteContent(e.createSelection(t, "in"))
                                    });
                                    const n = o.schema.getNearestSelectionRange(e.createPositionAt(t, 0));
                                    i.is("documentSelection") ? e.setSelection(n) : i.setTo(n)
                                }))
                        }
                        _getCellsToSelect(e, t) {
                            const i = this.editor.plugins.get("TableUtils"),
                            n = i.getCellLocation(e),
                            o = i.getCellLocation(t),
                            r = Math.min(n.row, o.row),
                            s = Math.max(n.row, o.row),
                            a = Math.min(n.column, o.column),
                            c = Math.max(n.column, o.column),
                            l = new Array(s - r + 1).fill(null).map(() => []),
                            d = {
                                startRow: r,
                                endRow: s,
                                startColumn: a,
                                endColumn: c
                            };
                            for (const {
                                row: t,
                                cell: i
                            }
                                of new jp(e.findAncestor("table"), d))
                                l[t - r].push(i);
                            const u = o.row < n.row,
                            h = o.column < n.column;
                            return u && l.reverse(),
                            h && l.forEach(e => e.reverse()), {
                                cells: l.flat(),
                                backward: u || h
                            }
                        }
                    }
                    class iw extends Qe {
                        static get pluginName() {
                            return "TableClipboard"
                        }
                        static get requires() {
                            return [tw, Pb]
                        }
                        init() {
                            const e = this.editor,
                            t = e.editing.view.document;
                            this.listenTo(t, "copy", (e, t) => this._onCopyCut(e, t)),
                            this.listenTo(t, "cut", (e, t) => this._onCopyCut(e, t)),
                            this.listenTo(e.model, "insertContent", (e, t) => this._onInsertContent(e, ...t), {
                                priority: "high"
                            }),
                            this.decorate("_replaceTableSlotCell")
                        }
                        _onCopyCut(e, t) {
                            const i = this.editor.plugins.get(tw);
                            if (!i.getSelectedTableCells())
                                return;
                            if ("cut" == e.name && this.editor.isReadOnly)
                                return;
                            t.preventDefault(),
                            e.stop();
                            const n = this.editor.data,
                            o = this.editor.editing.view.document,
                            r = n.toView(i.getSelectionAsFragment());
                            o.fire("clipboardOutput", {
                                dataTransfer: t.dataTransfer,
                                content: r,
                                method: e.name
                            })
                        }
                        _onInsertContent(e, t, i) {
                            if (i && !i.is("documentSelection"))
                                return;
                            const n = this.editor.model,
                            o = this.editor.plugins.get(Pb);
                            let r = function (e, t) {
                                if (!e.is("documentFragment") && !e.is("element"))
                                    return null;
                                if (e.is("element", "table"))
                                    return e;
                                if (1 == e.childCount && e.getChild(0).is("element", "table"))
                                    return e.getChild(0);
                                const i = t.createRangeIn(e);
                                for (const e of i.getItems())
                                    if (e.is("element", "table")) {
                                        const n = t.createRange(i.start, t.createPositionBefore(e));
                                        if (t.hasContent(n, {
                                                ignoreWhitespaces: !0
                                            }))
                                            return null;
                                        const o = t.createRange(t.createPositionAfter(e), i.end);
                                        return t.hasContent(o, {
                                            ignoreWhitespaces: !0
                                        }) ? null : e
                                    }
                                return null
                            }
                            (t, n);
                            if (!r)
                                return;
                            const s = eb(n.document.selection);
                            s.length ? (e.stop(), n.change(e => {
                                    const t = {
                                        width: o.getColumns(r),
                                        height: o.getRows(r)
                                    },
                                    i = function (e, t, i, n) {
                                        const o = e[0].findAncestor("table"),
                                        r = ib(e),
                                        s = tb(e),
                                        a = {
                                            firstColumn: r.first,
                                            lastColumn: r.last,
                                            firstRow: s.first,
                                            lastRow: s.last
                                        },
                                        c = 1 === e.length;
                                        c && (a.lastRow += t.height - 1, a.lastColumn += t.width - 1, function (e, t, i, n) {
                                            const o = n.getColumns(e),
                                            r = n.getRows(e);
                                            i > o && n.insertColumns(e, {
                                                at: o,
                                                columns: i - o
                                            });
                                            t > r && n.insertRows(e, {
                                                at: r,
                                                rows: t - r
                                            })
                                        }
                                            (o, a.lastRow + 1, a.lastColumn + 1, n));
                                        c || !nb(e, n) ? function (e, t, i) {
                                            const {
                                                firstRow: n,
                                                lastRow: o,
                                                firstColumn: r,
                                                lastColumn: s
                                            } = t,
                                            a = {
                                                first: n,
                                                last: o
                                            },
                                            c = {
                                                first: r,
                                                last: s
                                            };
                                            ow(e, r, a, i),
                                            ow(e, s + 1, a, i),
                                            nw(e, n, c, i),
                                            nw(e, o + 1, c, i, n)
                                        }
                                        (o, a, i) : (a.lastRow = _b(o, a), a.lastColumn = vb(o, a));
                                        return a
                                    }
                                    (s, t, e, o),
                                    n = i.lastRow - i.firstRow + 1,
                                    a = i.lastColumn - i.firstColumn + 1,
                                    c = {
                                        startRow: 0,
                                        startColumn: 0,
                                        endRow: Math.min(n, t.height) - 1,
                                        endColumn: Math.min(a, t.width) - 1
                                    };
                                    r = ub(r, c, e);
                                    const l = s[0].findAncestor("table"),
                                    d = this._replaceSelectedCellsWithPasted(r, t, l, i, e);
                                    if (this.editor.plugins.get("TableSelection").isEnabled) {
                                        const t = ob(d.map(t => e.createRangeOn(t)));
                                        e.setSelection(t)
                                    } else
                                        e.setSelection(d[0], 0)
                                })) : kb(r, o)
                        }
                        _replaceSelectedCellsWithPasted(e, t, i, n, o) {
                            const {
                                width: r,
                                height: s
                            } = t,
                            a = function (e, t, i) {
                                const n = new Array(i).fill(null).map(() => new Array(t).fill(null));
                                for (const {
                                    column: t,
                                    row: i,
                                    cell: o
                                }
                                    of new jp(e))
                                    n[i][t] = o;
                                return n
                            }
                            (e, r, s),
                            c = [...new jp(i, {
                                    startRow: n.firstRow,
                                    endRow: n.lastRow,
                                    startColumn: n.firstColumn,
                                    endColumn: n.lastColumn,
                                    includeAllSlots: !0
                                })],
                            l = [];
                            let d;
                            for (const e of c) {
                                const {
                                    row: t,
                                    column: i
                                } = e;
                                i === n.firstColumn && (d = e.getPositionBefore());
                                const c = t - n.firstRow,
                                u = i - n.firstColumn,
                                h = a[c % s][u % r],
                                f = h ? o.cloneElement(h) : null,
                                g = this._replaceTableSlotCell(e, f, d, o);
                                g && (pb(g, t, i, n.lastRow, n.lastColumn, o), l.push(g), d = o.createPositionAfter(g))
                            }
                            const u = parseInt(i.getAttribute("headingRows") || 0),
                            h = parseInt(i.getAttribute("headingColumns") || 0),
                            f = n.firstRow < u && u <= n.lastRow,
                            g = n.firstColumn < h && h <= n.lastColumn;
                            if (f) {
                                const e = nw(i, u, {
                                    first: n.firstColumn,
                                    last: n.lastColumn
                                }, o, n.firstRow);
                                l.push(...e)
                            }
                            if (g) {
                                const e = ow(i, h, {
                                    first: n.firstRow,
                                    last: n.lastRow
                                }, o);
                                l.push(...e)
                            }
                            return l
                        }
                        _replaceTableSlotCell(e, t, i, n) {
                            const {
                                cell: o,
                                isAnchor: r
                            } = e;
                            return r && n.remove(o),
                            t ? (n.insert(t, i), t) : null
                        }
                    }
                    function nw(e, t, i, n, o = 0) {
                        if (t < 1)
                            return;
                        return hb(e, t, o).filter(({
                                column: e,
                                cellWidth: t
                            }) => rw(e, t, i)).map(({
                                cell: e
                            }) => fb(e, t, n))
                    }
                    function ow(e, t, i, n) {
                        if (t < 1)
                            return;
                        return gb(e, t).filter(({
                                row: e,
                                cellHeight: t
                            }) => rw(e, t, i)).map(({
                                cell: e,
                                column: i
                            }) => mb(e, i, t, n))
                    }
                    function rw(e, t, i) {
                        const n = e + t - 1, {
                            first: o,
                            last: r
                        } = i;
                        return e >= o && e <= r || e < o && n >= o
                    }
                    class sw extends Qe {
                        static get pluginName() {
                            return "TableKeyboard"
                        }
                        static get requires() {
                            return [tw]
                        }
                        init() {
                            const e = this.editor.editing.view.document;
                            this.editor.keystrokes.set("Tab", (...e) => this._handleTabOnSelectedTable(...e), {
                                priority: "low"
                            }),
                            this.editor.keystrokes.set("Tab", this._getTabHandler(!0), {
                                priority: "low"
                            }),
                            this.editor.keystrokes.set("Shift+Tab", this._getTabHandler(!1), {
                                priority: "low"
                            }),
                            this.listenTo(e, "arrowKey", (...e) => this._onArrowKey(...e), {
                                context: "table"
                            })
                        }
                        _handleTabOnSelectedTable(e, t) {
                            const i = this.editor,
                            n = i.model.document.selection.getSelectedElement();
                            n && n.is("element", "table") && (t(), i.model.change(e => {
                                    e.setSelection(e.createRangeIn(n.getChild(0).getChild(0)))
                                }))
                        }
                        _getTabHandler(e) {
                            const t = this.editor;
                            return (i, n) => {
                                let o = Xp(t.model.document.selection)[0];
                                if (o || (o = this.editor.plugins.get("TableSelection").getFocusCell()), !o)
                                    return;
                                n();
                                const r = o.parent,
                                s = r.parent,
                                a = s.getChildIndex(r),
                                c = r.getChildIndex(o),
                                l = 0 === c;
                                if (!e && l && 0 === a)
                                    return void t.model.change(e => {
                                        e.setSelection(e.createRangeOn(s))
                                    });
                                const d = c === r.childCount - 1,
                                u = a === s.childCount - 1;
                                if (e && u && d && (t.execute("insertTableRowBelow"), a === s.childCount - 1))
                                    return void t.model.change(e => {
                                        e.setSelection(e.createRangeOn(s))
                                    });
                                let h;
                                if (e && d) {
                                    const e = s.getChild(a + 1);
                                    h = e.getChild(0)
                                } else if (!e && l) {
                                    const e = s.getChild(a - 1);
                                    h = e.getChild(e.childCount - 1)
                                } else
                                    h = r.getChild(c + (e ? 1 : -1));
                                t.model.change(e => {
                                    e.setSelection(e.createRangeIn(h))
                                })
                            }
                        }
                        _onArrowKey(e, t) {
                            const i = this.editor,
                            n = Lo(t.keyCode, i.locale.contentLanguageDirection);
                            this._handleArrowKeys(n, t.shiftKey) && (t.preventDefault(), t.stopPropagation(), e.stop())
                        }
                        _handleArrowKeys(e, t) {
                            const i = this.editor.model.document.selection,
                            n = ["right", "down"].includes(e),
                            o = Zp(i);
                            if (o.length) {
                                let i;
                                return i = t ? this.editor.plugins.get("TableSelection").getFocusCell() : n ? o[o.length - 1] : o[0],
                                this._navigateFromCellInDirection(i, e, t),
                                !0
                            }
                            const r = i.focus.findAncestor("tableCell");
                            return !!r && (!(t && !i.isCollapsed && i.isBackward == n) && (!!this._isSelectionAtCellEdge(i, r, n) && (this._navigateFromCellInDirection(r, e, t), !0)))
                        }
                        _isSelectionAtCellEdge(e, t, i) {
                            const n = this.editor.model,
                            o = this.editor.model.schema,
                            r = i ? e.getLastPosition() : e.getFirstPosition();
                            if (!o.getLimitElement(r).is("element", "tableCell")) {
                                return n.createPositionAt(t, i ? "end" : 0).isTouching(r)
                            }
                            const s = n.createSelection(r);
                            return n.modifySelection(s, {
                                direction: i ? "forward" : "backward"
                            }),
                            r.isEqual(s.focus)
                        }
                        _navigateFromCellInDirection(e, t, i = !1) {
                            const n = this.editor.model,
                            o = e.findAncestor("table"),
                            r = [...new jp(o, {
                                    includeAllSlots: !0
                                })], {
                                row: s,
                                column: a
                            } = r[r.length - 1],
                            c = r.find(({
                                        cell: t
                                    }) => t == e);
                            let {
                                row: l,
                                column: d
                            } = c;
                            switch (t) {
                            case "left":
                                d--;
                                break;
                            case "up":
                                l--;
                                break;
                            case "right":
                                d += c.cellWidth;
                                break;
                            case "down":
                                l += c.cellHeight
                            }
                            if (l < 0 || l > s || d < 0 && l <= 0 || d > a && l >= s)
                                return void n.change(e => {
                                    e.setSelection(e.createRangeOn(o))
                                });
                            d < 0 ? (d = i ? 0 : a, l--) : d > a && (d = i ? a : 0, l++);
                            const u = r.find(e => e.row == l && e.column == d).cell,
                            h = ["right", "down"].includes(t),
                            f = this.editor.plugins.get("TableSelection");
                            if (i && f.isEnabled) {
                                const t = f.getAnchorCell() || e;
                                f.setCellSelection(t, u)
                            } else {
                                const e = n.createPositionAt(u, h ? 0 : "end");
                                n.change(t => {
                                    t.setSelection(e)
                                })
                            }
                        }
                    }
                    class aw extends ts {
                        constructor(e) {
                            super(e),
                            this.domEventType = ["mousemove", "mouseleave"]
                        }
                        onDomEvent(e) {
                            this.fire(e.type, e)
                        }
                    }
                    class cw extends Qe {
                        static get pluginName() {
                            return "TableMouse"
                        }
                        static get requires() {
                            return [tw]
                        }
                        init() {
                            this.editor.editing.view.addObserver(aw),
                            this._enableShiftClickSelection(),
                            this._enableMouseDragSelection()
                        }
                        _enableShiftClickSelection() {
                            const e = this.editor;
                            let t = !1;
                            const i = e.plugins.get(tw);
                            this.listenTo(e.editing.view.document, "mousedown", (n, o) => {
                                if (!this.isEnabled || !i.isEnabled)
                                    return;
                                if (!o.domEvent.shiftKey)
                                    return;
                                const r = i.getAnchorCell() || Xp(e.model.document.selection)[0];
                                if (!r)
                                    return;
                                const s = this._getModelTableCellFromDomEvent(o);
                                s && lw(r, s) && (t = !0, i.setCellSelection(r, s), o.preventDefault())
                            }),
                            this.listenTo(e.editing.view.document, "mouseup", () => {
                                t = !1
                            }),
                            this.listenTo(e.editing.view.document, "selectionChange", e => {
                                t && e.stop()
                            }, {
                                priority: "highest"
                            })
                        }
                        _enableMouseDragSelection() {
                            const e = this.editor;
                            let t,
                            i,
                            n = !1,
                            o = !1;
                            const r = e.plugins.get(tw);
                            this.listenTo(e.editing.view.document, "mousedown", (e, i) => {
                                this.isEnabled && r.isEnabled && (i.domEvent.shiftKey || i.domEvent.ctrlKey || i.domEvent.altKey || (t = this._getModelTableCellFromDomEvent(i)))
                            }),
                            this.listenTo(e.editing.view.document, "mousemove", (e, s) => {
                                if (!s.domEvent.buttons)
                                    return;
                                if (!t)
                                    return;
                                const a = this._getModelTableCellFromDomEvent(s);
                                a && lw(t, a) && (i = a, n || i == t || (n = !0)),
                                n && (o = !0, r.setCellSelection(t, i), s.preventDefault())
                            }),
                            this.listenTo(e.editing.view.document, "mouseup", () => {
                                n = !1,
                                o = !1,
                                t = null,
                                i = null
                            }),
                            this.listenTo(e.editing.view.document, "selectionChange", e => {
                                o && e.stop()
                            }, {
                                priority: "highest"
                            })
                        }
                        _getModelTableCellFromDomEvent(e) {
                            const t = e.target,
                            i = this.editor.editing.view.createPositionAt(t, 0);
                            return this.editor.editing.mapper.toModelPosition(i).parent.findAncestor("tableCell", {
                                includeSelf: !0
                            })
                        }
                    }
                    function lw(e, t) {
                        return e.parent.parent == t.parent.parent
                    }
                    i(106);
                    function dw(e) {
                        const t = e.getSelectedElement();
                        return t && hw(t) ? t : null
                    }
                    function uw(e) {
                        const t = function (e, t) {
                            let i = t.parent;
                            for (; i; ) {
                                if (i.name === e)
                                    return i;
                                i = i.parent
                            }
                        }
                        ("table", e.getFirstPosition());
                        return t && hw(t.parent) ? t.parent : null
                    }
                    function hw(e) {
                        return !!e.getCustomProperty("table") && Fu(e)
                    }
                    const fw = {
                        autoRefresh: !0
                    };
                    class gw {
                        constructor(e, t = fw) {
                            if (!e)
                                throw new c.a("token-missing-token-url", this);
                            t.initValue && this._validateTokenValue(t.initValue),
                            this.set("value", t.initValue),
                            this._refresh = "function" == typeof e ? e : () => {
                                return t = e,
                                new Promise((e, i) => {
                                    const n = new XMLHttpRequest;
                                    n.open("GET", t),
                                    n.addEventListener("load", () => {
                                        const t = n.status,
                                        o = n.response;
                                        return t < 200 || t > 299 ? i(new c.a("token-cannot-download-new-token", null)) : e(o)
                                    }),
                                    n.addEventListener("error", () => i(new Error("Network Error"))),
                                    n.addEventListener("abort", () => i(new Error("Abort"))),
                                    n.send()
                                });
                                var t
                            },
                            this._options = Object.assign({}, fw, t)
                        }
                        init() {
                            return new Promise((e, t) => {
                                this.value ? (this._options.autoRefresh && this._registerRefreshTokenTimeout(), e(this)) : this.refreshToken().then(e).catch(t)
                            })
                        }
                        refreshToken() {
                            return this._refresh().then(e => {
                                this._validateTokenValue(e),
                                this.set("value", e),
                                this._options.autoRefresh && this._registerRefreshTokenTimeout()
                            }).then(() => this)
                        }
                        destroy() {
                            clearTimeout(this._tokenRefreshTimeout)
                        }
                        _validateTokenValue(e) {
                            const t = "string" == typeof e,
                            i = !/^".*"$/.test(e),
                            n = t && 3 === e.split(".").length;
                            if (!i || !n)
                                throw new c.a("token-not-in-jwt-format", this)
                        }
                        _registerRefreshTokenTimeout() {
                            const e = this._getTokenRefreshTimeoutTime();
                            clearTimeout(this._tokenRefreshTimeout),
                            this._tokenRefreshTimeout = setTimeout(() => {
                                this.refreshToken()
                            }, e)
                        }
                        _getTokenRefreshTimeoutTime() {
                            try {
                                const[, e] = this.value.split("."), {
                                    exp: t
                                } = JSON.parse(atob(e));
                                if (!t)
                                    return 36e5;
                                return Math.floor((1e3 * t - Date.now()) / 2)
                            } catch (e) {
                                return 36e5
                            }
                        }
                        static create(e, t = fw) {
                            return new gw(e, t).init()
                        }
                    }
                    Ke(gw, Ue);
                    var mw = gw;
                    const pw = /^data:(\S*?);base64,/;
                    class bw {
                        constructor(e, t, i) {
                            if (!e)
                                throw new c.a("fileuploader-missing-file", null);
                            if (!t)
                                throw new c.a("fileuploader-missing-token", null);
                            if (!i)
                                throw new c.a("fileuploader-missing-api-address", null);
                            this.file = function (e) {
                                if ("string" != typeof e)
                                    return !1;
                                const t = e.match(pw);
                                return !(!t || !t.length)
                            }
                            (e) ? function (e, t = 512) {
                                try {
                                    const i = e.match(pw)[1],
                                    n = atob(e.replace(pw, "")),
                                    o = [];
                                    for (let e = 0; e < n.length; e += t) {
                                        const i = n.slice(e, e + t),
                                        r = new Array(i.length);
                                        for (let e = 0; e < i.length; e++)
                                            r[e] = i.charCodeAt(e);
                                        o.push(new Uint8Array(r))
                                    }
                                    return new Blob(o, {
                                        type: i
                                    })
                                } catch (e) {
                                    throw new c.a("fileuploader-decoding-image-data-error", null)
                                }
                            }
                            (e) : e,
                            this._token = t,
                            this._apiAddress = i
                        }
                        onProgress(e) {
                            return this.on("progress", (t, i) => e(i)),
                            this
                        }
                        onError(e) {
                            return this.once("error", (t, i) => e(i)),
                            this
                        }
                        abort() {
                            this.xhr.abort()
                        }
                        send() {
                            return this._prepareRequest(),
                            this._attachXHRListeners(),
                            this._sendRequest()
                        }
                        _prepareRequest() {
                            const e = new XMLHttpRequest;
                            e.open("POST", this._apiAddress),
                            e.setRequestHeader("Authorization", this._token.value),
                            e.responseType = "json",
                            this.xhr = e
                        }
                        _attachXHRListeners() {
                            const e = this,
                            t = this.xhr;
                            function i(t) {
                                return () => e.fire("error", t)
                            }
                            t.addEventListener("error", i("Network Error")),
                            t.addEventListener("abort", i("Abort")),
                            t.upload && t.upload.addEventListener("progress", e => {
                                e.lengthComputable && this.fire("progress", {
                                    total: e.total,
                                    uploaded: e.loaded
                                })
                            }),
                            t.addEventListener("load", () => {
                                const e = t.status,
                                i = t.response;
                                if (e < 200 || e > 299)
                                    return this.fire("error", i.message || i.error)
                            })
                        }
                        _sendRequest() {
                            const e = new FormData,
                            t = this.xhr;
                            return e.append("file", this.file),
                            new Promise((i, n) => {
                                t.addEventListener("load", () => {
                                    const e = t.status,
                                    o = t.response;
                                    return e < 200 || e > 299 ? o.message ? n(new c.a("fileuploader-uploading-data-failed", this, {
                                            message: o.message
                                        })) : n(o.error) : i(o)
                                }),
                                t.addEventListener("error", () => n(new Error("Network Error"))),
                                t.addEventListener("abort", () => n(new Error("Abort"))),
                                t.send(e)
                            })
                        }
                    }
                    Ke(bw, u);
                    class ww {
                        constructor(e, t) {
                            if (!e)
                                throw new c.a("uploadgateway-missing-token", null);
                            if (!t)
                                throw new c.a("uploadgateway-missing-api-address", null);
                            this._token = e,
                            this._apiAddress = t
                        }
                        upload(e) {
                            return new bw(e, this._token, this._apiAddress)
                        }
                    }
                    class kw extends an {
                        static get pluginName() {
                            return "CloudServicesCore"
                        }
                        createToken(e, t) {
                            return new mw(e, t)
                        }
                        createUploadGateway(e, t) {
                            return new ww(e, t)
                        }
                    }
                    class _w extends xu {}
                    _w.builtinPlugins = [class extends Qe {
                            static get requires() {
                                return [bh, Nu, Eh, vh, Dh, uf]
                            }
                            static get pluginName() {
                                return "Essentials"
                            }
                        }, class extends Qe {
                            static get requires() {
                                return [ff]
                            }
                            static get pluginName() {
                                return "CKFinderUploadAdapter"
                            }
                            init() {
                                const e = this.editor.config.get("ckfinder.uploadUrl");
                                e && (this.editor.plugins.get(ff).createUploadAdapter = t => new wf(t, e, this.editor.t))
                            }
                        }, class extends Qe {
                            static get pluginName() {
                                return "Autoformat"
                            }
                            afterInit() {
                                this._addListAutoformats(),
                                this._addBasicStylesAutoformats(),
                                this._addHeadingAutoformats(),
                                this._addBlockQuoteAutoformats(),
                                this._addCodeBlockAutoformats(),
                                this._addHorizontalLineAutoformats()
                            }
                            _addListAutoformats() {
                                const e = this.editor.commands;
                                e.get("bulletedList") && kf(this.editor, this, /^[*-]\s$/, "bulletedList"),
                                e.get("numberedList") && kf(this.editor, this, /^1[.|)]\s$/, "numberedList"),
                                e.get("todoList") && kf(this.editor, this, /^\[\s?\]\s$/, "todoList"),
                                e.get("checkTodoList") && kf(this.editor, this, /^\[\s?x\s?\]\s$/, () => {
                                    this.editor.execute("todoList"),
                                    this.editor.execute("checkTodoList")
                                })
                            }
                            _addBasicStylesAutoformats() {
                                const e = this.editor.commands;
                                if (e.get("bold")) {
                                    const e = yf(this.editor, "bold");
                                    _f(this.editor, this, /(?:^|\s)(\*\*)([^*]+)(\*\*)$/g, e),
                                    _f(this.editor, this, /(?:^|\s)(__)([^_]+)(__)$/g, e)
                                }
                                if (e.get("italic")) {
                                    const e = yf(this.editor, "italic");
                                    _f(this.editor, this, /(?:^|\s)(\*)([^*_]+)(\*)$/g, e),
                                    _f(this.editor, this, /(?:^|\s)(_)([^_]+)(_)$/g, e)
                                }
                                if (e.get("code")) {
                                    const e = yf(this.editor, "code");
                                    _f(this.editor, this, /(`)([^`]+)(`)$/g, e)
                                }
                                if (e.get("strikethrough")) {
                                    const e = yf(this.editor, "strikethrough");
                                    _f(this.editor, this, /(~~)([^~]+)(~~)$/g, e)
                                }
                            }
                            _addHeadingAutoformats() {
                                const e = this.editor.commands.get("heading");
                                e && e.modelElements.filter(e => e.match(/^heading[1-6]$/)).forEach(t => {
                                    const i = t[7],
                                    n = new RegExp(`^(#{${i}})\\s$`);
                                    kf(this.editor, this, n, () => {
                                        if (!e.isEnabled || e.value === t)
                                            return !1;
                                        this.editor.execute("heading", {
                                            value: t
                                        })
                                    })
                                })
                            }
                            _addBlockQuoteAutoformats() {
                                this.editor.commands.get("blockQuote") && kf(this.editor, this, /^>\s$/, "blockQuote")
                            }
                            _addCodeBlockAutoformats() {
                                this.editor.commands.get("codeBlock") && kf(this.editor, this, /^```$/, "codeBlock")
                            }
                            _addHorizontalLineAutoformats() {
                                this.editor.commands.get("horizontalLine") && kf(this.editor, this, /^---$/, "horizontalLine")
                            }
                        }, class extends Qe {
                            static get requires() {
                                return [Af, Cf]
                            }
                            static get pluginName() {
                                return "Bold"
                            }
                        }, class extends Qe {
                            static get requires() {
                                return [Tf, Ef]
                            }
                            static get pluginName() {
                                return "Italic"
                            }
                        }, class extends Qe {
                            static get requires() {
                                return [Nf, Rf]
                            }
                            static get pluginName() {
                                return "BlockQuote"
                            }
                        }, class extends Qe {
                            static get pluginName() {
                                return "CKFinder"
                            }
                            static get requires() {
                                return ["Image", "Link", "CKFinderUploadAdapter", zf, Of]
                            }
                        }, class extends an {
                            static get pluginName() {
                                return "CloudServices"
                            }
                            static get requires() {
                                return [kw]
                            }
                            init() {
                                const e = this.context.config.get("cloudServices") || {};
                                for (const t in e)
                                    this[t] = e[t];
                                if (this._tokens = new Map, this.tokenUrl)
                                    return this.token = this.context.plugins.get("CloudServicesCore").createToken(this.tokenUrl), this._tokens.set(this.tokenUrl, this.token), this.token.init();
                                this.token = null
                            }
                            registerTokenUrl(e) {
                                if (this._tokens.has(e))
                                    return Promise.resolve(this.getTokenFor(e));
                                const t = this.context.plugins.get("CloudServicesCore").createToken(e);
                                return this._tokens.set(e, t),
                                t.init()
                            }
                            getTokenFor(e) {
                                const t = this._tokens.get(e);
                                if (!t)
                                    throw new c.a("cloudservices-token-not-registered", this);
                                return t
                            }
                            destroy() {
                                super.destroy();
                                for (const e of this._tokens.values())
                                    e.destroy()
                            }
                        }, class extends Qe {
                            static get requires() {
                                return [Vf, "Image", "ImageUpload"]
                            }
                            static get pluginName() {
                                return "EasyImage"
                            }
                        }, class extends Qe {
                            static get requires() {
                                return [$f, Yf]
                            }
                            static get pluginName() {
                                return "Heading"
                            }
                        }, class extends Qe {
                            static get requires() {
                                return [lg, ch, pg]
                            }
                            static get pluginName() {
                                return "Image"
                            }
                            isImageWidget(e) {
                                return tg(e)
                            }
                        }, class extends Qe {
                            static get requires() {
                                return [kg]
                            }
                            static get pluginName() {
                                return "ImageCaption"
                            }
                        }, class extends Qe {
                            static get requires() {
                                return [Mg, Ig]
                            }
                            static get pluginName() {
                                return "ImageStyle"
                            }
                        }, class extends Qe {
                            static get requires() {
                                return [Gf]
                            }
                            static get pluginName() {
                                return "ImageToolbar"
                            }
                            afterInit() {
                                const e = this.editor,
                                t = e.t;
                                e.plugins.get(Gf).register("image", {
                                    ariaLabel: t("Image toolbar"),
                                    items: e.config.get("image.toolbar") || [],
                                    getRelatedElement: ig
                                })
                            }
                        }, class extends Qe {
                            static get pluginName() {
                                return "ImageUpload"
                            }
                            static get requires() {
                                return [Wg, Dg, Lg]
                            }
                        }, class extends Qe {
                            static get pluginName() {
                                return "Indent"
                            }
                            static get requires() {
                                return [$g, Kg]
                            }
                        }, class extends Qe {
                            static get requires() {
                                return [Tm, Im, Om]
                            }
                            static get pluginName() {
                                return "Link"
                            }
                        }, class extends Qe {
                            static get requires() {
                                return [sp, cp]
                            }
                            static get pluginName() {
                                return "List"
                            }
                        }, class extends Qe {
                            static get requires() {
                                return [pp, _p, wp, ch]
                            }
                            static get pluginName() {
                                return "MediaEmbed"
                            }
                        }, Uf, class extends Qe {
                            static get pluginName() {
                                return "PasteFromOffice"
                            }
                            static get requires() {
                                return [Eu]
                            }
                            init() {
                                const e = this.editor,
                                t = e.editing.view.document,
                                i = [];
                                i.push(new Np(t)),
                                i.push(new Tp(t)),
                                e.plugins.get("ClipboardPipeline").on("inputTransformation", (e, t) => {
                                    if (t.isTransformedWithPasteFromOffice)
                                        return;
                                    const n = t.dataTransfer.getData("text/html"),
                                    o = i.find(e => e.isActive(n));
                                    o && (o.execute(t), t.isTransformedWithPasteFromOffice = !0)
                                }, {
                                    priority: "high"
                                })
                            }
                        }, class extends Qe {
                            static get requires() {
                                return [Qb, Xb, tw, cw, sw, iw, ch]
                            }
                            static get pluginName() {
                                return "Table"
                            }
                        }, class extends Qe {
                            static get requires() {
                                return [Gf]
                            }
                            static get pluginName() {
                                return "TableToolbar"
                            }
                            afterInit() {
                                const e = this.editor,
                                t = e.t,
                                i = e.plugins.get(Gf),
                                n = e.config.get("table.contentToolbar"),
                                o = e.config.get("table.tableToolbar");
                                n && i.register("tableContent", {
                                    ariaLabel: t("Table toolbar"),
                                    items: n,
                                    getRelatedElement: uw
                                }),
                                o && i.register("table", {
                                    ariaLabel: t("Table toolbar"),
                                    items: o,
                                    getRelatedElement: dw
                                })
                            }
                        }, class extends Qe {
                            static get pluginName() {
                                return "TextTransformation"
                            }
                            constructor(e) {
                                super(e),
                                e.config.define("typing", {
                                    transformations: {
                                        include: Gh
                                    }
                                })
                            }
                            init() {
                                const e = this.editor.model.document.selection;
                                e.on("change:range", () => {
                                    this.isEnabled = !e.anchor.parent.is("element", "codeBlock")
                                }),
                                this._enableTransformationWatchers()
                            }
                            _enableTransformationWatchers() {
                                const e = this.editor,
                                t = e.model,
                                i = e.plugins.get("Input"),
                                n = function (e) {
                                    const t = e.extra || [],
                                    i = e.remove || [],
                                    n = e => !i.includes(e);
                                    return function (e) {
                                        const t = new Set;
                                        for (const i of e)
                                            if (Yh[i])
                                                for (const e of Yh[i])
                                                    t.add(e);
                                            else
                                                t.add(i);
                                        return Array.from(t)
                                    }
                                    (e.include.concat(t).filter(n)).filter(n).map(e => $h[e] || e).map(e => ({
                                            from: Kh(e.from),
                                            to: Qh(e.to)
                                        }))
                                }
                                (e.config.get("typing.transformations")),
                                o = new zh(e.model, e => {
                                    for (const t of n) {
                                        if (t.from.test(e))
                                            return {
                                                normalizedTransformation: t
                                            }
                                    }
                                });
                                o.on("matched:data", (e, n) => {
                                    if (!i.isInput(n.batch))
                                        return;
                                    const {
                                        from: o,
                                        to: r
                                    } = n.normalizedTransformation,
                                    s = o.exec(n.text),
                                    a = r(s.slice(1)),
                                    c = n.range;
                                    let l = s.index;
                                    t.enqueueChange(e => {
                                        for (let i = 1; i < s.length; i++) {
                                            const n = s[i],
                                            o = a[i - 1];
                                            if (null == o) {
                                                l += n.length;
                                                continue
                                            }
                                            const r = c.start.getShiftedBy(l),
                                            d = t.createRange(r, r.getShiftedBy(n.length)),
                                            u = Jh(r);
                                            t.insertContent(e.createText(o, u), d),
                                            l += o.length
                                        }
                                    })
                                }),
                                o.bind("isEnabled").to(this)
                            }
                        }
                    ],
                    _w.defaultConfig = {
                        toolbar: {
                            items: ["heading", "|", "bold", "italic", "link", "bulletedList", "numberedList", "|", "outdent", "indent", "|", "uploadImage", "blockQuote", "insertTable", "mediaEmbed", "undo", "redo"]
                        },
                        image: {
                            toolbar: ["imageStyle:full", "imageStyle:side", "|", "imageTextAlternative"]
                        },
                        table: {
                            contentToolbar: ["tableColumn", "tableRow", "mergeTableCells"]
                        },
                        language: "en"
                    }
                }
            ]).default
    }));
//# sourceMappingURL=ckeditor.js.map