Return match or None for the request/constraints pair.

        .. seealso:: Proxy:
            :meth:`.Router.match`

def match(self, request, *, root=None, path=None, methods=None):
        """Return match or None for the request/constraints pair.

        .. seealso:: Proxy:
            :meth:`.Router.match`
        """
        return self.__router.match(
            request, root=root, path=path, methods=methods)