 
     /**
      *  @private
-     *  Documentation is not currently available.
      */
     mx_internal function initProtoChain():void
     {

    //--------------------------------------------------------------------------

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

    }

    /**
     *  @private
     *  TODO Make this mx_internal.
     */
    protected function invalidateTextLines(cause:String):void
    {
