)

	envelopeTransformationCacheMissTotal = metrics.NewCounter(
		&metrics.CounterOpts{
			Namespace:      namespace,
			Subsystem:      subsystem,
			Name:           "envelope_transformation_cache_misses_total",
			Help:           "Total number of cache misses while accessing key decryption key(KEK).",
			StabilityLevel: metrics.ALPHA,
		},
	)

	dataKeyGenerationLatencies = metrics.NewHistogram(