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- /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md.
- */
- 'use strict';
- import Element from './element.js';
- /**
- * Class for nodes that are roots of trees in tree data model.
- *
- * @memberOf engine.model
- * @extends engine.model.Element
- */
- export default class RootElement extends Element {
- /**
- * Creates tree root node.
- *
- * @param {engine.model.Document} doc {@link engine.model.Document} that is an owner of the root.
- * @param {String} name Node name.
- * @param {String} rootName Root name inside parent {@link engine.model.Document}.
- */
- constructor( doc, name, rootName ) {
- super( name );
- /**
- * {@link engine.model.Document} that is an owner of this root.
- *
- * @readonly
- * @member {engine.model.Document} engine.model.RootElement#document
- */
- this.document = doc;
- /**
- * Name of this root inside {@link engine.model.Document} that is an owner of this root.
- *
- * @readonly
- * @member {String} engine.model.RootElement#rootName
- */
- this.rootName = rootName;
- }
- /**
- * Custom toJSON method to solve child-parent circular dependencies.
- *
- * @method engine.model.RootElement#toJSON
- * @returns {String} Name of this root inside {@link engine.model.Document} that is an owner of this root.
- */
- toJSON() {
- return this.rootName;
- }
- }
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