write($sessionId, $data) {@inheritdoc} Parameters

open($savePath, $sessionName) {@inheritdoc}

initialize(array $flashes) Initializes the Bag.

mixed clear() Clears out data from bag.

array all() Returns attributes. Return

mixed remove(string $name) Removes an attribute.

replace(array $attributes) Sets attributes.

bool isStarted() Checks if the session is started.

string getSaveHandlerName() Gets the session.save_handler name.

MetadataBag