setBigPipeService example

$response->setContent($content);
    }

    // If there are neither BigPipe placeholders nor no-JS BigPipe placeholders,     // there isn't anything dynamic in this response, and we can return early:     // there is no point in sending this response using BigPipe.     if (empty($attachments['big_pipe_placeholders']) && empty($attachments['big_pipe_nojs_placeholders'])) {
      return;
    }

    $big_pipe_response = new BigPipeResponse($response);
    $big_pipe_response->setBigPipeService($this->getBigPipeService($event));
    $event->setResponse($big_pipe_response);
  }

  /** * Returns the BigPipe service to use to send the current response. * * @param \Symfony\Component\HttpKernel\Event\ResponseEvent $event * A response event. * * @return \Drupal\big_pipe\Render\BigPipe * The BigPipe service. */