Expanded class hierarchy of HttpExceptionSubscriberBase in Zircon Profile 8
- class \Drupal\Core\EventSubscriber\HttpExceptionSubscriberBase implements EventSubscriberInterface
- class \Drupal\Core\EventSubscriber\DefaultExceptionHtmlSubscriber
- class \Drupal\Core\EventSubscriber\ExceptionJsonSubscriber
- class \Drupal\Core\EventSubscriber\ExceptionTestSiteSubscriber
- class \Drupal\Core\EventSubscriber\Fast404ExceptionHtmlSubscriber