registerBag(SessionBagInterface $bag) {@inheritdoc}

bool handlerNeedsRequest() Determine if the session handler needs a request

start() {@inheritdoc}

void reflash() Reflash all of the session flash data.

bool isDeferred() Determine if the provider is deferred.

mixed driver(string $driver = null) Get a driver instance.

Encrypter getEncrypter()

destroy($sessionId) {@inheritdoc} Parameters

bool isValidId(string $id) Determine if this is a valid session ID.

save() {@inheritdoc}