         invalidateTransform();
     }
 
-    public function get preferredWidth():Number
+    private function get preferredWidth():Number
     {
         if (!isNaN(_explicitWidth))
             return _explicitWidth;

        return naturalWidth;
    }

    public function get preferredHeight():Number
    {
        if (!isNaN(_explicitHeight))
            return _explicitHeight;

		return super.transform;
	}
    
    //--------------------------------------------------------------------------
    //
    //  Overridden methods
