     //-------------------------------------------------------------------------- 
     
     /**
+     *  @private
      *  Called when the grid's columns dispatches a 
      *  <code>CollectionEvent.COLLECTION_CHANGE</code> event.  It handles
      *  each of the events defined in <code>CollectionEventKind</code>.
      *
      *  @langversion 3.0
      *  @playerversion Flash 10
-     *  @playerversion AIR 2.0
+     *  @playerversion AIR 2.5
      *  @productversion Flex 4.5
      */
     public function columnsCollectionChanged(event:CollectionEvent):void

     *  <code>GridSelectionMode.SINGLE_CELL</code>, and 
     *  <code>GridSelectionMode.SINGLE_ROW</code>.
     * 
     *  <p>Changing the selectionMode causes the current selection to be 
     *  cleared.</p>
     *
     *  @default GridSelectionMode.SINGLE_ROW
     * 

    }
    
    /**
     *  If the <code>selectionMode</code> is either <code>GridSelectionMode.SINGLE_CELL</code> or
     *  <code>GridSelectionMode.MULTIPLE_CELLS</code>, returns a list of all the
     *  selected cells.
     * 
     *  @return Vector of selected cell locations as row and column indices or,
     *  if none are selected, a Vector of length 0.  
     *
     *  @langversion 3.0
     *  @playerversion Flash 10
     *  @playerversion AIR 2.5
     *  @productversion Flex 4.5
     */
    public function allCells():Vector.<CellPosition>
