clientPingInterval = 15 * time.Second

	// Deadline for single (non-streaming) requests to complete.
	// Used if no deadline is provided on context.
	defaultSingleRequestTimeout = time.Minute
)

var internalByteBuffer = sync.Pool{
	New: func() any {
		m := make([]byte, 0, defaultBufferSize)
		return &m
	},
}

var internal32KByteBuffer = sync.Pool{
	New: func() any {

        cal.set(Calendar.HOUR, 12);
        cal.set(Calendar.AM_PM, Calendar.AM);

        // just to make sure all the bases are covered...
        cal.set(Calendar.HOUR_OF_DAY, 0);
        cal.set(Calendar.MINUTE, 16);
        cal.set(Calendar.SECOND, 0);
        cal.set(Calendar.YEAR, 1976);
        cal.set(Calendar.MONTH, Calendar.NOVEMBER);
        cal.set(Calendar.DATE, 11);

        Date firstTestDate = cal.getTime();

	req := mustNewRequest(method, urlStr, contentLength, body, t)
	cred := globalActiveCred
	if err := preSignV2(req, cred.AccessKey, cred.SecretKey, time.Now().Add(10*time.Minute).Unix()); err != nil {
		t.Fatalf("Unable to initialized new signed http request %s", err)
	}
	return req
}

// This is similar to mustNewRequest but additionally the request

			writeErrorResponse(r.Context(), w, apiErr, r.URL)
		}
		return
	}

	// Verify if KMS is reachable if its configured
	if GlobalKMS != nil {
		ctx, cancel := context.WithTimeout(r.Context(), time.Minute)
		defer cancel()

		if _, err := GlobalKMS.GenerateKey(ctx, &kms.GenerateKeyRequest{AssociatedData: kms.Context{"healthcheck": ""}}); err != nil {
			switch r.Method {
			case http.MethodHead:

	for i := 0; i < 5; i++ {
		fivs[i] = FileInfo{
			Volume:      bucket,
			Name:        obj,
			VersionID:   uuids[i].String(),
			IsLatest:    i == 0,
			ModTime:     modTime.Add(-1 * time.Duration(i) * time.Minute),
			Size:        1 << 10,
			NumVersions: 5,
		}
	}
	versioned := vcfg.Status == "Enabled"
	wants := make([]ObjectInfo, 2)
	for i, fi := range fivs[:2] {

	"math"
	"net/http"
	"sync"
	"time"

	"github.com/minio/madmin-go/v3"
	"github.com/prometheus/client_golang/prometheus"
)

const (
	resourceMetricsCollectionInterval = time.Minute
	resourceMetricsCacheInterval      = time.Minute

	// drive stats
	totalInodes    MetricName = "total_inodes"
	readsPerSec    MetricName = "reads_per_sec"
	writesPerSec   MetricName = "writes_per_sec"

	// debugging or testing purposes.
	InsecureSkipVerify bool `json:"skip_verify"`
}

const (
	defaultExpiry time.Duration = 1 * time.Hour
	minExpiry     time.Duration = 15 * time.Minute
	maxExpiry     time.Duration = 365 * 24 * time.Hour
)

// GetExpiryDuration - return parsed expiry duration.
func (l Config) GetExpiryDuration(dsecs string) (time.Duration, error) {
	if dsecs == "" {

		allDriveLabels...)
	driveWaitingIOMD = NewGaugeMD(driveWaitingIO,
		"Total waiting I/O operations on a drive", allDriveLabels...)
	driveAPILatencyMD = NewGaugeMD(driveAPILatencyMicros,
		"Average last minute latency in µs for drive API storage operations",
		append(allDriveLabels, apiL)...)
	driveHealthMD = NewGaugeMD(driveHealth,
		"Drive health (0 = offline, 1 = healthy, 2 = healing)", allDriveLabels...)

)

func (c *OperatorDNS) addAuthHeader(r *http.Request) error {
	if c.username == "" || c.password == "" {
		return nil
	}

	claims := &jwt.StandardClaims{
		ExpiresAt: int64(15 * time.Minute),
		Issuer:    c.username,
		Subject:   config.EnvDNSWebhook,
	}

	token := jwt.NewWithClaims(jwt.SigningMethodHS512, claims)
	ss, err := token.SignedString([]byte(c.password))
	if err != nil {
		return err
	}

				&prometheus_model.Sample{Value: 4.95},
			},
		},
	}
	workload := "details"

	sm, err := metrics(mockProm, workload, time.Minute)
	if err != nil {
		t.Fatalf("Unwanted exception %v", err)
	}

	var out bytes.Buffer
	printHeader(&out)
	printMetrics(&out, sm)
	output := out.String()