$this withInput(array $input = null) Flash an array of input to the session

string hashName(string $path = null) Get a filename for the file that is

$this withException(Exception $e)

FrameGuard class FrameGuard implements HttpKernelInterface (

void offsetSet(string $offset, mixed $value) Set the value at the given

string|false storePubliclyAs(string $path, string $name, string|null $disk = null)

string|array cookie(string $key = null, string|array|null $default = null)

RedirectResponse with(string|array $key, mixed $value = null)

bool isJson() Determine if the request is sending JSON.

bool accepts(string|array $contentTypes) Determines whether the current