bool isSessionExpired() Returns true when the current session exists but expired according to

setName(string $name) Sets name. Parameters

mixed remove(string $name) Removes an attribute.

string getName() Gets this bag's name.

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

add(string $type, string $message) Adds a flash message for type.

class AttributeBag implements

class FlashBag implements

array all() Returns attributes. Return

read($sessionId) {@inheritdoc} Parameters