Expanded class hierarchy of ContainerInterface in Service Container 7
- interface \Drupal\Component\Plugin\Discovery\DiscoveryInterface
- interface \Drupal\Component\Plugin\Discovery\CachedDiscoveryInterface
- interface \Drupal\Component\Plugin\PluginManagerInterface
- interface \Drupal\service_container\DependencyInjection\ContainerInterface extends \Symfony\Component\DependencyInjection\IntrospectableContainerInterface