$this pushMiddlewareToGroup(string $group, string $middleware) Add a middleware

string __toString() Convert the collection to its string representation

string|null domain() Get the domain defined for the route.

Collection union(mixed $items)

array parametersWithoutNulls() Get the key / value list of parameters without

Collection collapse()

string|null currentRouteName() Get the current route name.

int count() Count the number of items in the collection.

static array getMiddleware(Controller $controller, string

Route current()