  *  @see mx.controls.FileSystemList
  *  @see mx.controls.FileSystemDataGrid
  * 
+ *  
+ *  @langversion 3.0
+ *  @playerversion AIR 1.1
+ *  @productversion Flex 3
  */
 public class FileSystemHistoryButton extends PopUpButton
 {

 *  Dispatched when a user selects an item from the pop-up menu.
 *
 *  @eventType mx.events.MenuEvent.ITEM_CLICK
 */
[Event(name="itemClick", type="mx.events.MenuEvent")]


     *  be a collection of File objects containing directory locations -- commonly
     *  the <code>backHistory</code> or <code>forwardHistory</code> property of
     *  a FileSystemList or FileSystemDataGrid control.
     *  
     *  @langversion 3.0
     *  @playerversion AIR 1.1
     *  @productversion Flex 3
     */
    public function get dataProvider():Object
    {
