Collection where(string $key, mixed $operator, mixed $value = null)

Collection sortByDesc(callable|string $callback, int $options = SORT_REGULAR)

array gatherRouteMiddleware(Route $route)

void error(string $string, null|int|string $verbosity = null) Write a string

UrlGenerator getUrlGenerator()

static UrlGenerationException

RedirectResponse redirectTo(string $path, int $status = 302,

ControllerInspector deprecated class ControllerInspector

Collection diff(mixed $items)

Collection merge(mixed $items)