      *  @param uid The uid for the data.
      *  
      *  @return The renderer for this column and row.
+     *  
+     *  @langversion 3.0
+     *  @playerversion Flash 9
+     *  @playerversion AIR 1.1
+     *  @productversion Flex 3
      */
     protected function setupColumnItemRenderer(c:DataGridColumn, contentHolder:ListBaseContentHolder,
                     rowNum:int, colNum:int, data:Object, uid:String):IListItemRenderer

     *  Removes extra row from the end of the contentHolder.
     *  
     *  @param contentHolder The set of rows (locked rows, regular rows).
     */
    protected function removeExtraRow(contentHolder:ListBaseContentHolder):void
    {

     *  Rows above this one remain fixed in view.
     * 
     *  @default 0
     *  
     *  @langversion 3.0
     *  @playerversion Flash 9
     *  @playerversion AIR 1.1
     *  @productversion Flex 3
     */
    public function get lockedRowCount():int
    {
