| MetadataBag | Metadata container. | 
| MockArraySessionStorage | MockArraySessionStorage mocks the session for unit tests. | 
| MockFileSessionStorage | MockFileSessionStorage is used to mock sessions for functional testing when done in a single PHP process. | 
| NativeSessionStorage | This provides a base class for session attribute storage. | 
| PhpBridgeSessionStorage | Allows session to be started by PHP and managed by Symfony. | 
| SessionStorageInterface | StorageInterface. | 
    © 2004–2017 Fabien Potencier
Licensed under the MIT License.
    https://api.symfony.com/4.1/Symfony/Component/HttpFoundation/Session/Storage.html