// Parameters which are not defined on the route object, but still are
// essential for access checking are passed as wildcards to the argument
// resolver. An access-check method with a parameter of type Route,
// RouteMatchInterface, AccountInterface or Request will receive those
// arguments regardless of the parameter name.
$wildcard_arguments =
[$route,
$route_match,
$account];
if (isset($request)) { $wildcard_arguments[] =
$request;
} return new ArgumentsResolver($raw_route_arguments,
$upcasted_route_arguments,
$wildcard_arguments);
}}