/**
  * Processes the response.
  *
  * @param \Psr\Http\Message\ResponseInterface $response The response
  * @param \Es\System\SystemEvent              $event    The system event
  */
 public function processResponse(ResponseInterface $response, SystemEvent $event)
 {
     if ($event->getName() === SystemEvent::FINISH) {
         $event->stopPropagation(true);
         $server = $this->getServer();
         $emitter = $server->getEmitter();
         $emitter->emit($response);
         return;
     }
     $events = $this->getEvents();
     $event->setResult(SystemEvent::FINISH, $response);
     $events->trigger($event(SystemEvent::FINISH));
 }