  *  @see mx.controls.MenuBar
  *  @see mx.controls.PopUpMenuButton
  *  @see mx.controls.Tree
+ *  
+ *  @langversion 3.0
+ *  @playerversion Flash 9
+ *  @playerversion AIR 1.1
+ *  @productversion Flex 3
  */
 public class DefaultDataDescriptor implements ITreeDataDescriptor2, IMenuDataDescriptor
 {

     *  @param model The entire collection that this node is a part of.
     *  
     *  @return <code>true</code> if successful.
     */
    public function addChildAt(parent:Object, newChild:Object, index:int, model:Object = null):Boolean
    {

     *  @param model The collection that contains the node; ignored by this class.
     *  
     *  @return <code>true</code> if this node currently has children.
     *  
     *  @langversion 3.0
     *  @playerversion Flash 9
     *  @playerversion AIR 1.1
     *  @productversion Flex 3
     */
    public function hasChildren(node:Object, model:Object = null):Boolean
    {
