CacheSize,
		unschedulableReasons,
		PluginEvaluationTotal,
	}
)

var registerMetrics sync.Once

// Register all metrics.
func Register() {
	// Register the metrics.
	registerMetrics.Do(func() {
		RegisterMetrics(metricsList...)
		volumebindingmetrics.RegisterVolumeSchedulingMetrics()
	})
}

// RegisterMetrics registers a list of metrics.

			apiserver_envelope_encryption_kms_operations_latency_seconds_count{grpc_status_code="unknown-non-grpc",method_name="/v2alpha1.KeyManagementService/Encrypt",provider_name="providerName"} 1
			`,
		},
	}

	RegisterMetrics()

	for _, tt := range testCases {
		t.Run(tt.name, func(t *testing.T) {
			RecordKMSOperationLatency("providerName", tt.methodName, tt.duration, tt.operationErr)
			defer KMSOperationsLatencyMetric.Reset()

			StabilityLevel: compbasemetrics.ALPHA,
		},
		[]string{"resource"},
	)
)

var registerMetrics sync.Once

// Register all metrics.
func Register() {
	// Register the metrics.
	registerMetrics.Do(func() {
		legacyregistry.MustRegister(etcdRequestLatency)
		legacyregistry.MustRegister(etcdRequestCounts)
		legacyregistry.MustRegister(etcdRequestErrorCounts)

	storageClassLabel = "storage_class"
	pluginNameLabel   = "plugin_name"
	volumeModeLabel   = "volume_mode"

	// String to use when plugin name cannot be determined
	pluginNameNotAvailable = "N/A"
)

var registerMetrics sync.Once

// PVLister used to list persistent volumes.
type PVLister interface {
	List() []interface{}
}

// PVCLister used to list persistent volume claims.
type PVCLister interface {

  apiserver_storage_transformation_operations_total{status="unknown-non-grpc",transformation_type="from_storage",transformer_prefix="unknown"} 1
  `,
			err: nil,
		},
	}

	RegisterMetrics()
	transformerOperationsTotal.Reset()

	for _, tc := range testCases {
		t.Run(tc.desc, func(t *testing.T) {
			tc.prefix.TransformFromStorage(context.Background(), tc.input, nil)

			apiserver_storage_transformation_operations_total{status="NotFound",transformation_type="to_storage",transformer_prefix="k8s:enc:kms:v1:"} 1
			`,
		},
	}

	RegisterMetrics()
	transformerOperationsTotal.Reset()

	for _, tt := range testCases {
		t.Run(tt.desc, func(t *testing.T) {
			tt.prefix.TransformToStorage(context.Background(), []byte("value"), nil)

)

var registerMetricsOnce sync.Once

// RegisterMetrics registers kube-proxy metrics.
func RegisterMetrics(mode kubeproxyconfig.ProxyMode) {
	registerMetricsOnce.Do(func() {
		// Core kube-proxy metrics for all backends
		legacyregistry.MustRegister(SyncProxyRulesLatency)

	requestDurationSecondsBuckets = []float64{0, 0.005, 0.02, 0.05, 0.1, 0.2, 0.5, 1, 2, 5, 10, 15, 30}
)

var registerMetrics sync.Once

// Register all metrics.
func Register() {
	registerMetrics.Do(func() {
		for _, metric := range metrics {
			legacyregistry.MustRegister(metric)
		}
	})
}

type resettable interface {
	Reset()
}

			klog.InfoS("Deleted keyIDHashStatusLastTimestampSecondsMetricLabels", "providerName", item.providerName, "keyIDHash", item.keyIDHash, "apiServerIDHash", item.apiServerIDHash)
		}
	})
}
func RegisterMetrics() {
	registerMetricsFunc.Do(func() {
		registerLRUMetrics()
		hashPool = &sync.Pool{
			New: func() interface{} {
				return sha256.New()
			},
		}
		legacyregistry.MustRegister(dekCacheFillPercent)

	"k8s.io/component-base/tracing"
	"k8s.io/klog/v2"
	kmsservice "k8s.io/kms/pkg/service"
	"k8s.io/utils/clock"
)

func init() {
	value.RegisterMetrics()
	metrics.RegisterMetrics()
}

const (
	// KMSAPIVersionv2 is a version of the KMS API.
	KMSAPIVersionv2 = "v2"
	// KMSAPIVersionv2beta1 is a version of the KMS API.
	KMSAPIVersionv2beta1 = "v2beta1"