public RouteProcessorCsrf::processOutbound($route_name, Route $route, array &$parameters, BubbleableMetadata $bubbleable_metadata = NULL)
Processes the outbound route.
Parameters
string $route_name: The route name.
\Symfony\Component\Routing\Route $route: The outbound route to process.
array $parameters: An array of parameters to be passed to the route compiler. Passed by reference.
\Drupal\Core\Render\BubbleableMetadata $bubbleable_metadata: (optional) Object to collect route processors'