Issue #3259169 by longwave, daffie: [Symfony 6]...

use Drupal\Core\DependencyInjection\ClassResolverInterface;

use Symfony\Bridge\PsrHttpMessage\HttpMessageFactoryInterface;

use Symfony\Component\HttpFoundation\Request;

use Symfony\Component\HttpKernel\Controller\ControllerResolver as BaseControllerResolver;

/**

 * ControllerResolver to enhance controllers beyond Symfony's basic handling.

 *    controller by using a service:method notation (Symfony uses the same

 *    convention).

 */

class ControllerResolver extends BaseControllerResolver implements ControllerResolverInterface {

class ControllerResolver implements ControllerResolverInterface {

  /**

   * The class resolver.