  *  the arrow of a FxScrollButton
  *   
  *  @default 0x000000
+ *  
+ *  @langversion 3.0
+ *  @playerversion Flash 10
+ *  @playerversion AIR 1.5
+ *  @productversion Flex 4
  */ 
 [Style(name="symbolColor", type="uint", format="Color", inherit="yes")]
 

     *  @default mx.layout.BasicLayout
     *
     *  @see LayoutBase
     */
    public function get layout():LayoutBase
    {

     *  when children are added to or removed from the container.
     *
     *  @default true
     *  
     *  @langversion 3.0
     *  @playerversion Flash 10
     *  @playerversion AIR 1.5
     *  @productversion Flex 4
     */
    public function get autoLayout():Boolean
    {
