}
	if got, want := m1.Metrics(), []string{"a"}; !_SlicesEqual(got, want) {
		panic(fmt.Sprintf("Metrics = %v, want %v", got, want))
	}

	m2 := _Metric2[int, float64]{}
	m2.Add(1, 1)
	m2.Add(2, 2)
	m2.Add(3, 3)
	m2.Add(3, 3)
	k1, k2 := m2.Metrics()

	sort.Ints(k1)
	w1 := []int{1, 2, 3}
	if !_SlicesEqual(k1, w1) {
		panic(fmt.Sprintf("_Metric2.Metrics first slice = %v, want %v", k1, w1))
	}

*/

package aggregated

import (
	"k8s.io/component-base/metrics"
	"k8s.io/component-base/metrics/legacyregistry"
)

var (
	regenerationCounter = metrics.NewCounter(
		&metrics.CounterOpts{
			Name:           "aggregator_discovery_aggregation_count_total",
			Help:           "Counter of number of times discovery was aggregated",
			StabilityLevel: metrics.ALPHA,
		},
	)
)

func init() {

	"sync"
	"time"

	"k8s.io/apiserver/pkg/authentication/authenticator"
	"k8s.io/component-base/metrics"
	"k8s.io/component-base/metrics/legacyregistry"
	"k8s.io/utils/clock"
)

const (
	namespace = "apiserver"
	subsystem = "authentication"
)

var (
	jwtAuthenticatorLatencyMetric = metrics.NewHistogramVec(
		&metrics.HistogramOpts{
			Namespace:      namespace,
			Subsystem:      subsystem,

				MetricV2{
					Description: getMinioProcessIOReadBytesMD(),
					Value:       float64(io.ReadBytes),
				})
		}

		if io.WriteBytes > 0 {
			metrics = append(metrics,
				MetricV2{
					Description: getMinioProcessIOWriteBytesMD(),
					Value:       float64(io.WriteBytes),
				})
		}

		if io.RChar > 0 {
			metrics = append(metrics,
				MetricV2{

)

const (
	prometheusMetricsPathLegacy     = "/prometheus/metrics"
	prometheusMetricsV2ClusterPath  = "/v2/metrics/cluster"
	prometheusMetricsV2BucketPath   = "/v2/metrics/bucket"
	prometheusMetricsV2NodePath     = "/v2/metrics/node"
	prometheusMetricsV2ResourcePath = "/v2/metrics/resource"

	// Metrics v3 endpoints
	metricsV3Path = "/metrics/v3"
)

// Standard env prometheus auth type
const (

)

// Collector paths.
//
// These are paths under the top-level /minio/metrics/v3 metrics endpoint. Each
// of these paths returns a set of V3 metrics.
//
// Per-bucket metrics endpoints always start with /bucket and the bucket name is
// appended to the path. e.g. if the collector path is /bucket/api, the endpoint
// for the bucket "mybucket" would be /minio/metrics/v3/bucket/api/mybucket
const (

limitations under the License.
*/

package webhook

import (
	"context"
)

// AuthenticatorMetrics specifies a set of methods that are used to register various metrics
type AuthenticatorMetrics struct {
	// RecordRequestTotal increments the total number of requests for webhooks
	RecordRequestTotal func(ctx context.Context, code string)

			ttfbHist.With(prometheus.Labels{"api": obs.label}).Observe(obs.val)
		}
	}

	metrics := getHistogramMetrics(ttfbHist, getBucketTTFBDistributionMD(), false)
	// additional labels for +Inf for all histogram metrics
	if expPoints := len(labels) * (len(histBuckets) + 1); expPoints != len(metrics) {
		t.Fatalf("Expected %v data points but got %v", expPoints, len(metrics))
	}

package metrics

import "sync"

type Metric1[T comparable] struct {
	mu sync.Mutex
	m  map[T]int
}

func (m *Metric1[T]) Add(v T) {
	m.mu.Lock()
	defer m.mu.Unlock()
	if m.m == nil {
		m.m = make(map[T]int)
	}
	m[v]++
}

type key2[T1, T2 comparable] struct {
	f1 T1
	f2 T2
}

type Metric2[T1, T2 cmp2] struct {
	mu sync.Mutex
	m  map[key2[T1, T2]]int
}

// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package metrics

import (
	"time"

	"istio.io/istio/pkg/log"
	"istio.io/istio/pkg/monitoring"
)

var (
	typeTag = monitoring.CreateLabel("type")