     }
 
     /**
+     *  Transform the element's size.
+     *  
+     *  @param width The target width.
+     *  
+     *  @param height The target height.
+     *  
+     *  @param actualMatrix 
+     *  
      *  @return Returns the transformed size. Transformation is this element's
      *  transformation matrix.
      */

     *  
     *  @param oldValue The previous value of the property.
     *  
     *  @param value the new value of the property.
     */
    protected function dispatchPropertyChangeEvent(prop:String, oldValue:*,
                                                   value:*):void

        return result;
    }
    
    /**
     *  
     */
    public function get nextSiblingNeedsDisplayObject():Boolean
    {
        // TODO: The displayObject && visible test is a quick fix for MXMLG-228.
