      *  @param rowIndex The zero-based row index of the cell to edit.
      * 
      *  @param columnIndex The zero-based column index of the cell to edit.
+     * 
+     *  @langversion 3.0
+     *  @playerversion Flash 10
+     *  @playerversion AIR 2.5
+     *  @productversion Flex 4.5
      */
     public function startItemEditorSession(rowIndex:int, columnIndex:int):Boolean
     {

    }
    
    /**
     *  @private
     */
    public function set editedItemPosition(value:Object):void
    {

    private var _dataGrid:DataGrid;

    /**
     *  Reference to the <code>DataGrid</code> that created the editor.
     * 
     *  @langversion 3.0
     *  @playerversion Flash 10
     *  @playerversion AIR 2.5
     *  @productversion Flex 4.5
     */
    public function get dataGrid():DataGrid
    {
