)

	// TODO(a-robinson): Add unit tests for the handling of these metrics once
	// the upstream library supports it.
	requestCounter = compbasemetrics.NewCounterVec(
		&compbasemetrics.CounterOpts{
			Subsystem:      APIServerComponent,
			Name:           "request_total",

			StabilityLevel: metrics.ALPHA,
		},
	)

	// ProxyHealthzTotal is the number of returned HTTP Status for each
	// healthz probe.
	ProxyHealthzTotal = metrics.NewCounterVec(
		&metrics.CounterOpts{
			Subsystem:      kubeProxySubsystem,
			Name:           "proxy_healthz_total",
			Help:           "Cumulative proxy healthz HTTP status",
			StabilityLevel: metrics.ALPHA,
		},

			Buckets:        metrics.ExponentialBuckets(5e-6, 2, 25),
			StabilityLevel: metrics.ALPHA,
		},
		[]string{"transformation_type", "transformer_prefix"},
	)

	transformerOperationsTotal = metrics.NewCounterVec(
		&metrics.CounterOpts{
			Namespace:      namespace,
			Subsystem:      subsystem,
			Name:           "transformation_operations_total",