Expanded class hierarchy of RequestHandler

class \Symfony\Component\DependencyInjection\ContainerAware implements ContainerAwareInterface
- class \Drupal\contextual\ContextualController
- class \Drupal\Core\Access\AccessManager
- class \Drupal\Core\Cache\CacheFactory
- class \Drupal\Core\Controller\AjaxController
- class \Drupal\Core\Controller\ExceptionController
- class \Drupal\Core\Entity\Query\QueryFactory
- class \Drupal\Core\EventSubscriber\KernelDestructionSubscriber implements EventSubscriberInterface
- class \Drupal\Core\Queue\QueueFactory
- class \Drupal\editor\EditorController
- class \Drupal\edit\EditController
- class \Drupal\rest\RequestHandler
- class \Drupal\system\Tests\Routing\MockController
- class \Symfony\Component\HttpKernel\Bundle\Bundle implements BundleInterface