text: import { Object4D } from '../core/Object4D.js';
  
  /**
   * @author mrdoob / http://mrdoob.com/
   */
  
  function Group4D() {
  
  	Object4D.call( this );
  
  	this.type = 'Group4D';
  
  }
  
  Group4D.prototype = Object.assign( Object.create( Object4D.prototype ), {
  
  	constructor: Group4D,
  
  	isGroup: true
  
  } );
  
  
  export { Group4D };
  