     
     /**
      *  Returns the layout bounds of the specified row.
+     * 
+     *  @langversion 3.0
+     *  @playerversion Flash 10
+     *  @playerversion AIR 2.0
+     *  @productversion Flex 4.5
      */
     public function getRowBounds(row:int):Rectangle
     {

        clearVector(typicalCellHeights, NaN);
        maxTypicalCellHeight = NaN;
    }
        
    /**
     *  Inserts count number of rows starting from startRow. This shifts
     *  any rows after startRow down by count and will increment 
     *  rowCount.
     */
    public function insertRows(startRow:int, count:int):void
    {

     *  Returns the total layout height of the content including gaps.  If 
	 *  rowHeightOverride is specified, then the overall height of as many rows
	 *  is returned.
     * 
     *  @langversion 3.0
     *  @playerversion Flash 10
     *  @playerversion AIR 2.0
     *  @productversion Flex 4.5
     */
    public function getContentHeight(rowCountOverride:int = -1):Number
    {
