     /**
      *  @copy mx.components.Group#removeItem()
      */
-    public function removeItem(item:*):*
+    public function removeItem(item:Object):Object
     {
         return currentContentGroup.removeItem(item);
     }

    /**
     *  @copy mx.components.Group#addItem()
     */
    public function addItem(item:*):*
    {
        return currentContentGroup.addItem(item);
    }

    /**
     *  @copy mx.components.Group#removeItemAt()
     */
    public function removeItemAt(index:int):Object
    {
        return currentContentGroup.removeItemAt(index);
    }
