anchor.diff:      return _mouseMoveEvent.removeHandler(obj, handlerId);
     }
   
  -  static GlobalId addMouseOutHandler(Stage obj, Action1 handler) {
  +  static GlobalId addMouseOutHandler(Stage obj,
  +                                     Action1<ElementMouseEventArgs> handler) {
       return _mouseOutEvent.addHandler(obj, handler);
     }
   
  
positive.code:     return _clickEvent.removeHandler(obj, handlerId);
    }
  
    static GlobalId addMouseMoveHandler(PElement obj, Action1 handler) {
      return _mouseMoveEvent.addHandler(obj, handler);
    }
  
  
negative.code:     return _isClickableProperty.get(element);
    }
  
    static GlobalId addHandler(PElement element,
                               Action1<ElementMouseEventArgs> handler) {
      return _clickEvent.addHandler(element, handler);
    }
  
  