[]MetricDescriptor{
			notificationCurrentSendInProgressMD,
			notificationEventsErrorsTotalMD,
			notificationEventsSentTotalMD,
			notificationEventsSkippedTotalMD,
		},
		loadClusterNotificationMetrics,
	)

	clusterIAMMG := NewMetricsGroup(clusterIAMCollectorPath,
		[]MetricDescriptor{
			lastSyncDurationMillisMD,
			pluginAuthnServiceFailedRequestsMinuteMD,
			pluginAuthnServiceLastFailSecondsMD,