Defines a null key/value store implementation. Hierarchy class \Drupal\Core\KeyValueStore\

Instantiated stores, keyed by collection name. Type:

public KeyValueStoreInterface::getAll()

public DatabaseStorage::getMultiple(array $keys)

Defines the key/value store factory for the null backend. Hierarchy class \Drupal

public KeyValueStoreInterface::setIfNotExists($key

KeyValueDatabaseFactory::__construct(SerializationInterface