class KeyValueNullExpirableFactory

class KeyValueNullExpirableFactory {

  /**
   * Constructs a new key/value expirable null storage object for a given
   * collection name.
   *
   * @param string $collection
   *   The name of the collection holding key and value pairs.
   *
   * @return \Drupal\Core\KeyValueStore\DatabaseStorageExpirable
   *   A key/value store implementation for the given $collection.
   */
  public function get($collection) {
    return new NullStorageExpirable($collection);
  }

}