MetricRotationInterval = env.Register("METRIC_ROTATION_INTERVAL", 0*time.Second,
		"Metric scope rotation interval, set to 0 to disable the metric scope rotation").Get()
	MetricGracefulDeletionInterval = env.Register("METRIC_GRACEFUL_DELETION_INTERVAL", 5*time.Minute,
		"Metric expiry graceful deletion interval. No-op if METRIC_ROTATION_INTERVAL is disabled.").Get()

apiVersion: release-notes/v2
kind: feature
area: telemetry
releaseNotes:
  - |
    **Added** metric expiry support, when env flags `METRIC_ROTATION_INTERVAL` and