 	 *  parent.</p>
 	 *
 	 *  @param obj The object whose size changed.
+	 *  
+	 *  @langversion 3.0
+	 *  @playerversion Flash 9
+	 *  @playerversion AIR 1.1
+	 *  @productversion Flex 3
 	 */
 	function invalidateSize(obj:ILayoutManagerClient ):void;
 

	 *  a new size by its parent.
	 *
	 *  @param obj The object that changed.
	 */
	function invalidateDisplayList(obj:ILayoutManagerClient ):void;


         *  
         * @return Returns <code>true</code> if there are components that need validating;
	 *  <code>false</code> if all components have been validated.
	 *  
	 *  @langversion 3.0
	 *  @playerversion Flash 9
	 *  @playerversion AIR 1.1
	 *  @productversion Flex 3
	 */
	function isInvalid():Boolean;
}
