func (f *fileListEntry) Type() fs.FileMode { return fs.ModeDir }
func (f *fileListEntry) IsDir() bool       { return true }
func (f *fileListEntry) Sys() any          { return nil }

func (f *fileListEntry) ModTime() time.Time {
	if f.file == nil {
		return time.Time{}
	}
	return f.file.FileHeader.Modified.UTC()
}

		t.Fatal(err)
	}
	if len(left) > 0 {
		t.Errorf("%d bytes left over after Skip(): %q", len(left), left)
	}
}

func BenchmarkMarshalMsgMetricDescription(b *testing.B) {
	v := MetricDescription{}
	b.ReportAllocs()
	b.ResetTimer()
	for i := 0; i < b.N; i++ {
		v.MarshalMsg(nil)
	}
}

func BenchmarkAppendMsgMetricDescription(b *testing.B) {
	v := MetricDescription{}
	bts := make([]byte, 0, v.Msgsize())

func SelectBuckets(buckets ...string) SelectionFunction {
	if len(buckets) == 0 {
		return func(bucket string) bool {
			return true
		}
	}
	return func(bucket string) bool {
		return slices.Contains(buckets, bucket)
	}
}

// Details for the measured bandwidth
type Details struct {
	LimitInBytesPerSecond            int64   `json:"limitInBits"`
	CurrentBandwidthInBytesPerSecond float64 `json:"currentBandwidth"`
}

// This can be used for goroutines that live beyond the parent context.
func bgContext(parent context.Context) context.Context {
	return bgCtx{parent: parent}
}

type bgCtx struct {
	parent context.Context
}

func (a bgCtx) Done() <-chan struct{} {
	return nil
}

func (a bgCtx) Err() error {
	return nil
}

func (a bgCtx) Deadline() (deadline time.Time, ok bool) {

	Status Status `xml:"Status"` // should be set to "Disabled" by default
}

// IsEmpty returns true if DeleteMarkerReplication is not set
func (d DeleteMarkerReplication) IsEmpty() bool {
	return len(d.Status) == 0
}

// Validate validates whether the status is disabled.
func (d DeleteMarkerReplication) Validate() error {
	if d.IsEmpty() {
		return errDeleteMarkerReplicationMissing
	}

	case errDiskNotFound:
		return checkPartDiskNotFound
	default:
		return checkPartUnknown
	}
}

func partNeedsHealing(partErrs []int) bool {
	return slices.IndexFunc(partErrs, func(i int) bool { return i != checkPartSuccess && i != checkPartUnknown }) > -1
}

func countPartNotSuccess(partErrs []int) (c int) {
	for _, pe := range partErrs {
		if pe != checkPartSuccess {
			c++
		}
	}

type negativeReader struct{}

func (r *negativeReader) Read([]byte) (int, error) { return -1, nil }

func init() {
	testBytes = make([]byte, N)
	for i := 0; i < N; i++ {
		testBytes[i] = 'a' + byte(i%26)
	}
	testString = string(testBytes)
}

// Verify that contents of buf match the string s.
func check(t *testing.T, testname string, buf *Buffer, s string) {
	bytes := buf.Bytes()

	}, []string{"tier"}),
}

func (t *tierMetrics) Observe(tier string, dur time.Duration) {
	t.histogram.With(prometheus.Labels{"tier": tier}).Observe(dur.Seconds())
}

func (t *tierMetrics) logSuccess(tier string) {
	t.Lock()
	defer t.Unlock()

	stat := t.requestsCount[tier]
	stat.success++
	t.requestsCount[tier] = stat
}

func (t *tierMetrics) logFailure(tier string) {
	t.Lock()

	}
	return nil
}

func (es EncryptedString) Value(ctx context.Context, field *schema.Field, dst reflect.Value, fieldValue interface{}) (interface{}, error) {
	return "hello" + string(es), nil
}

type CustomSerializer struct {
	prefix []byte
}

func NewCustomSerializer(prefix string) *CustomSerializer {
	return &CustomSerializer{prefix: []byte(prefix)}
}

	json.NewEncoder(w).Encode(res)
	return
}

func main() {
	flag.Parse()
	serveFunc := func() error {
		return http.ListenAndServe(":8080", nil)
	}

	if certFile != "" || keyFile != "" {
		if certFile == "" || keyFile == "" {
			log.Fatal("Please provide both a key file and a cert file to enable TLS.")
		}
		serveFunc = func() error {
			return http.ListenAndServeTLS(":8080", certFile, keyFile, nil)