bool exists(string|array $key) Determine if the request contains a given

void __construct(int $time, int $retryAfter = null, string $message = null, Exception $previous

MaintenanceModeException class MaintenanceModeException extends ServiceUnavailableHttpException (

bool ajax() Determine if the request is the result of an AJAX call.

void flash(string $filter = null, array $keys = array()) Flash the input

array allFiles() Get an array of all of the files on the request.

Closure getUserResolver()

void replace(array $input) Replace the input for the current request.

static void macro(string $name, callable $macro) Register a

array segments() Get all of the segments for the request path.