      *  In either case the children of the object does not emit a
      *  <code>show</code> or <code>hide</code> event unless the object
      *  has specifically written an implementation to do so.</p>
+     *  
+     *  @langversion 3.0
+     *  @playerversion Flash 10
+     *  @playerversion AIR 1.5
+     *  @productversion Flex 4
      */    
     override public function get visible():Boolean
     {

    
    /**
     *  @inheritDoc
     */
    public function get layoutDirection():String
    {

    /**
     *  Helper method to invalidate parent size and display list if
     *  this object affects its layout (includeInLayout is true).
     *  
     *  @langversion 3.0
     *  @playerversion Flash 10
     *  @playerversion AIR 1.5
     *  @productversion Flex 4
     */
    protected function invalidateParentSizeAndDisplayList():void
    {
