string getId() Returns the session ID.

registerBag(

bool isCacheable() Returns true if the response is worth caching under any circumstance.

Response setNotModified()

push(Request $request)

bool isStarted() Checks if the session is started.

string getRequestUri() Returns the requested URI (path and query string).

class ResponseHeaderBag extends HeaderBag

setAll(array $messages) Sets all flash messages.

bool start() Starts the session. Return