util/srv/server.go
func (s *Server) Mux() *http.ServeMux {
	return s.srv.Handler.(*http.ServeMux)
}
func (s *Server) Mux() *http.ServeMux {
	return s.srv.Handler.(*http.ServeMux)
}
func ( s * Server ) Mux ( ) * http . ServeMux { return s . srv . Handler . ( * http . ServeMux ) }
// Mux is an associated http.ServeMux instance.
Mux is an associated http . ServeMux instance .