code: public function displayAlertsAction($isAddStyles = true, $isAddJsAlertClose = true)
      {
          return $this->render(
              'RasFlashAlertBundle::layout.html.twig',
              array(
                  'alertPublisher'        =>  $this->getAlertPublisher(),
                  'isAddStyles'           =>  $isAddStyles,
                  'isAddJsAlertClose'     =>  $isAddJsAlertClose
              )
          );
      }
docs: @deprecated
  
  @param bool $isAddStyles
  @param bool $isAddJsAlertClose
  @return \Symfony\Component\HttpFoundation\Response