// getSHA256Hash returns SHA-256 sum of given data.
func getSHA256Sum(data []byte) []byte {
	hash := sha256.New()
	hash.Write(data)
	return hash.Sum(nil)
}

// getMD5Sum returns MD5 sum of given data.
func getMD5Sum(data []byte) []byte {
	hash := md5.New()
	hash.Write(data)
	return hash.Sum(nil)
}

// getMD5Hash returns MD5 hash in hex encoding of given data.
func getMD5Hash(data []byte) string {

  // terminating state of endpoints. This condition should be set to true for
  // a ready endpoint that is terminating. If nil, consumers should defer to
  // the ready condition.
  // +optional
  optional bool serving = 2;

  // terminating indicates that this endpoint is terminating. A nil value
  // indicates an unknown state. Consumers should interpret this unknown state
  // to mean that the endpoint is not terminating.

	}

	if c.wantException {
		if fErr == nil {
			t.Fatalf("Wanted an exception for 'istioctl %s', didn't get one, output was %q",
				strings.Join(c.args, " "), output)
		}
	} else {
		if fErr != nil {
			t.Fatalf("Unwanted exception for 'istioctl %s': %v", strings.Join(c.args, " "), fErr)
		}
	}
}

func init() {

	m.Set(scannerVersionsScanned, float64(globalScannerMetrics.lifetime(scannerMetricApplyVersion)))

	dui, err := c.dataUsageInfo.Get()
	if err != nil {
		metricsLogIf(ctx, err)
	} else {
		m.Set(scannerLastActivitySeconds, time.Since(dui.LastUpdate).Seconds())
	}

	return nil

	for i := 0; i < len(text); i++ {
		_, err := f.Write([]byte{text[i]})
		if err != nil {
			t.Fatal(err)
		}
	}

	// The "pre" output should all have been flushed already.
	if want, got := pre, out.String(); want != got {
		t.Errorf("filter should have already flushed %q, but flushed %q", want, got)
	}

	code, err := f.Finish()
	if err != nil {
		t.Fatal(err)
	}

	// Nothing more should have been written to out.

	error_(token.NoPos, "unexpected type %T in walk", x)
	panic("unexpected type")
}

func funcTypeTypeParams(n *ast.FuncType) *ast.FieldList {
	return nil
}

func typeSpecTypeParams(n *ast.TypeSpec) *ast.FieldList {
	return nil

	}
	if len(m.LifeTimeOps) == 0 {
		m.LifeTimeOps = nil
	}

	m.LastMinute.Operations = make(map[string]madmin.TimedAction, osMetricLast)
	for i := osMetric(0); i < osMetricLast; i++ {
		lm := o.latency[i].total()
		if lm.N > 0 {
			m.LastMinute.Operations[i.String()] = lm.asTimedAction()
		}
	}
	if len(m.LastMinute.Operations) == 0 {
		m.LastMinute.Operations = nil
	}

	return m

		t.Fatalf("Should failed to find result")
	}

	if err := DB.Table("customize_field_structs").Where("1 = 1").UpdateColumn("field_readonly", "readonly").Error; err != nil {
		t.Fatalf("failed to update field_readonly column")
	}

package disk

import (
	"os"
)

// Fdatasync is a no-op
func Fdatasync(f *os.File) error {
	return nil
}

// FadviseDontNeed is a no-op
func FadviseDontNeed(f *os.File) error {
	return nil

	return &Singleton[T]{set: make(chan struct{}), v: nil}
}

// Get will return the singleton value.
func (s *Singleton[T]) Get() *T {
	<-s.set
	return s.v
}

// GetNonBlocking will return the singleton value or nil if not set yet.
func (s *Singleton[T]) GetNonBlocking() *T {
	select {
	case <-s.set:
		return s.v
	default:
		return nil
	}
}