/**
  * @param GetResponseForControllerResultEvent $event
  */
 public function onKernelResponse(GetResponseForControllerResultEvent $event)
 {
     $request = $event->getRequest();
     if ($request->isXmlHttpRequest() && ($result = $event->getControllerResult()) && !empty($result['pagination']) && $result['pagination'] instanceof SlidingPagination) {
         $result = array('items' => $result['pagination']->getItems(), 'pagination' => $result['pagination']->getPaginationData(), 'paginationHtml' => $this->paginationExtension->render($this->twig, $result['pagination']));
         $json = $this->serializer->serialize($result, 'json');
         $response = new Response($json, Response::HTTP_OK, ['Content-Type' => 'application/json']);
         $event->setResponse($response);
     }
 }
 /**
  * {@inheritDoc}
  */
 public function getFunctions()
 {
     return array_merge(parent::getFunctions(), [new \Twig_SimpleFunction('pagination', array($this, 'render'), array('is_safe' => array('html'), 'needs_environment' => true)), new \Twig_SimpleFunction('pagination_sortable', array($this, 'sortable'), array('is_safe' => array('html'), 'needs_environment' => true)), new \Twig_SimpleFunction('pagination_filter', array($this, 'filter'), array('is_safe' => array('html'), 'needs_environment' => true))]);
 }