code: public function render($menu = 'Default', $debug = false, $class = null) {
  		$response = $this->initiateSubRequest();
  		return $response->getContent();
  	}
docs: Render this view helper
  
  @param string $menu
  @param bool $debug
  @param string $class
  @return string
  @throws \Neos\Flow\Mvc\Exception\InfiniteLoopException
  @throws \Neos\Flow\Mvc\Exception\StopActionException
  @throws \Neos\FluidAdaptor\Core\Widget\Exception\InvalidControllerException
  @throws \Neos\FluidAdaptor\Core\Widget\Exception\MissingControllerException