     /**
      *  @private
      */
-    protected function adjustAfterReplace(items:Array, location:int):void
+    private function adjustAfterReplace(items:Array, location:int):void
     {
         var length:int = items.length;
         for (var i:int = length-1; i >= 0; i--)

    }
    
    /**
     *  Returns the ItemRenderer being used for the data provider item at the specified index.
     *  Note that if the layout is virtual, ItemRenderers that are scrolled
     *  out of view may be reused.

    /**
     *  @private
     */
    private function adjustAfterAdd(items:Array, location:int):void
    {
        var length:int = items.length;
        for (var i:int = 0; i < length; i++)
