     }
     
     /**
-     *  Returns the index position of an item
-     *
-     *  @param item The item to identify
-     *
-     *  @return The index position of the item to identify
-     * 
-     *  @throws ArgumentError Throws if the item is not a child of this object
+     *  Returns the index position of an item.
+     *
+     *  @param item The item to identify.
+     *
+     *  @return The index position of the item to identify.
+     * 
+     *  @throws ArgumentError If the item is not a child of this object.
      */ 
     public function getItemIndex(item:Object):int
     {

     *
     *  @return The item at the specified index.
     * 
     *  @throws RangeError Throws if the index position does not exist in the child list.
     */ 
    public function getItemAt(index:int):Object
    {

    /**
     *  @inheritDoc
     * 
     *  @throws RangeError If the index position does not exist in the child list.
     */ 
    override public function getLayoutItemAt(index:int):ILayoutItem
    {
