text: /** @module bbdocument/bbdocument */
  
  import BBElement from "./bbelement.js"
  import BBText from "./bbtext.js"
  import TreeWalker from "./treewalker.js"
  
  /**
   * @memberof module:bbdocument/bbdocument
   */
  class BBDocument {
  
  	constructor() {
  		this._documentElement = new BBElement()
  		this._documentElement._ownerDocument = this
  	}
  
  	/**
  	 * @readonly
  	 * @type {BBElement}
  	 */
  	get documentElement() {
  		return this._documentElement
  	}
  
  	/**
  	 * @param  {string} text
  	 * @returns {BBText}
  	 */
  	createTextNode(text) {
  		const bbNode = new BBText(text)
  		bbNode._ownerDocument = this
  		return bbNode
  	}
  
  	/**
  	 * @param   {string}        name
  	 * @param   {string|number} value
  	 * @returns {BBElement}
  	 */
  	createElement(name, value) {
  		const bbNode = new BBElement(name, value)
  		bbNode._ownerDocument = this
  		return bbNode
  	}
  
  	/**
  	 * @param   {BBElement}  rootNode
  	 * @returns {TreeWalker}
  	 */
  	createTreeWalker(rootNode) {
  		return new TreeWalker(rootNode)
  	}
  
  }
  
  export default BBDocument
  