registerBag(SessionBagInterface $bag) {@inheritdoc}

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

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

void __construct(string $name, SessionHandlerInterface $handler, string|null $id =

void setRequestOnHandler(Request $request) Set the request on the handler

CacheBasedSessionHandler class CacheBasedSessionHandler implements

static array compiles() Get a list of files that should be compiled

bool hasOldInput(string $key = null) Determine if the session contains

start() {@inheritdoc}

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