appendWindowEnd property
      
      dynamic
      get
      appendWindowEnd
      
    
    
    
Implementation
/* double | NaN */ dynamic get appendWindowEnd =>
      js_util.getProperty(this, 'appendWindowEnd');
      
      set
      appendWindowEnd
      (dynamic newValue) 
      
    
    
    
Implementation
set appendWindowEnd(/* double | NaN */ dynamic newValue) {
  js_util.setProperty(this, 'appendWindowEnd', newValue);
}