StabilityLevel: metrics.ALPHA,
		},
		[]string{},
	)
	// EndpointSliceChanges tracks the number of changes to Endpoint Slices.
	EndpointSliceChanges = metrics.NewCounterVec(
		&metrics.CounterOpts{
			Subsystem:      EndpointSliceMirroringSubsystem,
			Name:           "changes",
			Help:           "Number of EndpointSlice changes",
			StabilityLevel: metrics.ALPHA,
		},

	conversionWebhookRequest *metrics.CounterVec
	conversionWebhookLatency *metrics.HistogramVec
}

func newConversionWebhookMetrics() *ConversionWebhookMetrics {
	conversionWebhookRequest := metrics.NewCounterVec(
		&metrics.CounterOpts{
			Name:           "conversion_webhook_request_total",
			Namespace:      namespace,
			Help:           "Counter for conversion webhook requests with success/failure and failure error type",

			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",

		metrics.BuildFQName("", "attachdetach_controller", "total_volumes"),
		"Number of volumes in A/D Controller",
		[]string{"plugin_name", "state"}, nil,
		metrics.ALPHA, "")

	ForceDetachMetricCounter = metrics.NewCounterVec(
		&metrics.CounterOpts{
			Subsystem:      attachDetachController,
			Name:           "attachdetach_controller_forced_detaches",
			Help:           "Number of times the A/D Controller performed a forced detach",

		"Gauge measuring number of persistent volume claim currently unbound",
		[]string{namespaceLabel}, nil,
		metrics.ALPHA, "")

	volumeOperationErrorsMetric = metrics.NewCounterVec(
		&metrics.CounterOpts{
			Name:           "volume_operation_total_errors",
			Help:           "Total volume operation errors",
			StabilityLevel: metrics.ALPHA,
		},
		[]string{"plugin_name", "operation_name"})

	kubeutil "k8s.io/kubernetes/pkg/kubelet/util"
	"k8s.io/utils/clock"
)

// ProberResults stores the cumulative number of a probe by result as prometheus metrics.
var ProberResults = metrics.NewCounterVec(
	&metrics.CounterOpts{
		Subsystem:      "prober",
		Name:           "probe_total",
		Help:           "Cumulative number of a liveness, readiness or startup probe for a container by result.",