anchor.diff:  // for details. All rights reserved. Use of this source code is governed by a
   // BSD-style license that can be found in the LICENSE file.
   
  -
   class _AudioContextFactoryProvider {
     static AudioContext createAudioContext() => _createAudioContext();
     static _createAudioContext([int numberOfChannels,
  
positive.code:   DOMApplicationCache get applicationCache native "DOMWindow_applicationCache_Getter";
  
  
    /** @domName DOMWindow.closed */
    bool get closed native "DOMWindow_closed_Getter";
  
  
negative.code:     this.insertAdjacentText('beforeend', text);
    }
  
    void addHTML(String text) {
      this.insertAdjacentHTML('beforeend', text);
    }
  
  