m.UnlistedHandle(path, http.HandlerFunc(handler))
}

// HandlePrefix is like Handle, but matches for anything under the path.  Like a standard golang trailing slash.
func (m *PathRecorderMux) HandlePrefix(path string, handler http.Handler) {
	if !strings.HasSuffix(path, "/") {
		panic(fmt.Sprintf("%q must end in a trailing slash", path))
	}