All classes that implement BackendInterface in Advanced Queue 8
- class \Drupal\advancedqueue\Plugin\AdvancedQueue\Backend\BackendBase implements BackendInterface, ContainerFactoryPluginInterface
- class \Drupal\advancedqueue\Plugin\AdvancedQueue\Backend\Database implements SupportsDeletingJobsInterface, SupportsListingJobsInterface, SupportsReleasingJobsInterface