     
     /**
      *  @inheritDoc
+     *
+     *  @langversion 3.0
+     *  @playerversion Flash 10
+     *  @playerversion AIR 1.5
+     *  @productversion Flex 4
      */
     public function get layoutDirection():String
     {

    
    /**
     * @inheritDoc
     */
    public function invalidateLayoutDirection():void
    {


    /**
     *  Used for the implementation of the ILayoutElement interface,
     *  returns the explicit measured height pre-transform.
     * 
     * @return The explicit measured height, pre-transform.
     *
     *  @langversion 3.0
     *  @playerversion Flash 10
     *  @playerversion AIR 1.5
     *  @productversion Flex 4
     */
    protected function preferredHeightPreTransform():Number
    {
