/**
  * Revoke a given token
  *
  * @param  Request       $request
  * @param  Response      $response
  * @param  callable|null $next
  * @return Response
  */
 public function handleRevocationRequest(Request $request, Response $response, callable $next = null) : ResponseInterface
 {
     return $this->authorizationServer->handleRevocationRequest($request);
 }
 public function __invoke(ServerRequestInterface $request, ResponseInterface $response, callable $next) : ResponseInterface
 {
     return $this->authorizationServer->handleRevocationRequest($request);
 }