bool start() Starts the session. Return

string|null guessClientExtension() Returns the extension based on the client mime type. If

static Request create(string $uri

ArrayIterator getIterator()

initialize(array $attributes) Initializes the Bag.

setId(string $id) Sets the session ID. Parameters

gc($maxlifetime) {@inheritdoc} Parameters

bool isNotModified(Request $request)

setSession(SessionInterface

array peekAll() Gets all flash messages.