 	 *  @return <code>true</code> if the DisplayObject is in this child list
 	 *  or is a descendant of an child in this child list;
 	 *  <code>false</code> otherwise.
+	 *  
+	 *  @langversion 3.0
+	 *  @playerversion Flash 9
+	 *  @playerversion AIR 1.1
+	 *  @productversion Flex 3
 	 */
 	function contains(child:DisplayObject):Boolean;
 }

 *  @see mx.managers.SystemManager#popUpChildren
 *  @see mx.managers.SystemManager#toolTipChildren
 *  @see mx.managers.SystemManager#cursorChildren
 */
public interface IChildList
{

     *
     *  @return The child that was removed; this is the same
	 *  as the argument passed in.
     *  
     *  @langversion 3.0
     *  @playerversion Flash 9
     *  @playerversion AIR 1.1
     *  @productversion Flex 3
     */
	function removeChild(child:DisplayObject):DisplayObject;
	
