Expanded class hierarchy of DatabaseStorage in Service Container 7.2
- class \Drupal\Core\KeyValueStore\StorageBase implements KeyValueStoreInterface
- class \Drupal\Core\KeyValueStore\DatabaseStorage
- class \Drupal\Core\KeyValueStore\DatabaseStorageExpirable implements DestructableInterface, KeyValueStoreExpirableInterface
- class \Drupal\Core\KeyValueStore\MemoryStorage
- class \Drupal\Core\KeyValueStore\DatabaseStorage