FrameGuard class FrameGuard implements HttpKernelInterface (

string ip() Returns the client IP address.

bool wantsJson() Determine if the current request is asking for JSON in

$this instance() Return the Request instance.

$this header(string $key, array|string $values, bool $replace = true) Set

File class File extends File (

string fullUrlWithQuery(array $query) Get the full URL for the request

string fingerprint() Get a unique fingerprint for the request / route /

string path() Get the fully qualified path to the file.

mixed handle(Request $request,