Response setNotModified()

registerBag(

int getInt(string $key, int $default) Returns the parameter value converted to integer.

bool isRaw() Checks if the cookie value should be sent with no url encoding.

array peekAll() Gets all flash messages.

string getClientOriginalExtension() Returns the original file extension. It is extracted

string getName() Gets the name of the cookie.

initialize(array $array) Initializes the Bag.

setCookie(Cookie $cookie)

matchAttribute(string $key, string $regexp) Adds a check for request attribute.