      * 
      *  @return The bounds of the target's scrollRect in layout coordinates, null
      *      if target or clipAndEnableScrolling is false. 
+     *  
+     *  @langversion 3.0
+     *  @playerversion Flash 10
+     *  @playerversion AIR 1.5
+     *  @productversion Flex 4
      */
     protected function getTargetScrollRect():Rectangle
     {

     *  @default null;
     *  @see #updateDisplayList
     *  @see #measure
     */
    public function get target():GroupBase
    {

     *  @see #elementBoundsAboveScrollRect
     *  @see #elementBoundsBelowScrollRect
     *  @see #getHorizontalScrollPositionDelta
     *  
     *  @langversion 3.0
     *  @playerversion Flash 10
     *  @playerversion AIR 1.5
     *  @productversion Flex 4
     */
    protected function elementBoundsLeftOfScrollRect(scrollRect:Rectangle):Rectangle
    {
