Expanded class hierarchy of ErrorContainer in Zircon Profile 8
- class \Drupal\Component\DependencyInjection\Container implements IntrospectableContainerInterface
- class \Drupal\Component\DependencyInjection\PhpArrayContainer
- class \Drupal\Core\DependencyInjection\Container
- class \Drupal\system\Tests\Bootstrap\ErrorContainer
- class \Drupal\system\Tests\Bootstrap\ExceptionContainer