public DatabaseStorage::has($key)

Holds references to each instantiation so they can be terminated. Type: \Drupal\Core\KeyValueStore\DatabaseStorageExpirable[]

Defines a default key/value store implementation. This is Drupal's default key/value store implementation. It uses the database to store key/value

public StorageBase::get($key, $default = NULL)

The default service id. If the default setting does not exist, this is the default service id. File

public NullStorageExpirable::delete($key)

public DatabaseStorage::setIfNotExists($key, $value)

The serialization class to use. Type:

public DatabaseStorage::set($key, $value)

public NullStorageExpirable::set($key, $value)