public function render($for = '', $as = 'validationResults')
    {
        $request = $this->controllerContext->getRequest();
        /** @var $validationResults Result */
        $validationResults = $request->getInternalArgument('__submittedArgumentValidationResults');
        if ($validationResults !== null && $for !== '') {
            $validationResults = $validationResults->forProperty($for);
        }
        $this->templateVariableContainer->add($as, $validationResults);
        $output = $this->renderChildren();
        $this->templateVariableContainer->remove($as);

        return $output;
    }