}

type metricsV3Server struct {
	registry *prometheus.Registry
	opts     promhttp.HandlerOpts
	authFn   func(http.Handler) http.Handler

	metricsData *metricsV3Collection
}

func newMetricsV3Server(authType prometheusAuthType) *metricsV3Server {
	registry := prometheus.NewRegistry()
	authFn := AuthMiddleware
	if authType == prometheusPublic {
		authFn = NoAuthMiddleware
	}