dir     string
	entries []string
}

// Test to read empty directory.
func setupTestReadDirEmpty(t *testing.T) (testResults []result) {
	// Add empty entry slice for this test directory.
	testResults = append(testResults, result{t.TempDir(), []string{}})
	return testResults
}

// Test to read non-empty directory with only files.
func setupTestReadDirFiles(t *testing.T) (testResults []result) {
	dir := t.TempDir()

// If New is not set Get may return the zero value of T.
type Pool[T any] struct {
	New func() T
	p   sync.Pool
}

// Get will retuen a new T
func (p *Pool[T]) Get() T {
	v, ok := p.p.Get().(T)
	if ok {
		return v
	}
	if p.New == nil {
		var t T
		return t
	}
	return p.New()
}

// Put a used T.
func (p *Pool[T]) Put(t T) {
	p.p.Put(t)

// the string as a value that satisfies error of type tagging.Error
func Errorf(format string, a ...any) error {
	return Error{err: fmt.Errorf(format, a...)}
}

// Unwrap the internal error.
func (e Error) Unwrap() error { return e.err }

// Error 'error' compatible method.
func (e Error) Error() string {
	if e.err == nil {
		return "lifecycle: cause <nil>"
	}
	return e.err.Error()

// the string as a value that satisfies error of type tagging.Error
func Errorf(format string, a ...any) error {
	return Error{err: fmt.Errorf(format, a...)}
}

// Unwrap the internal error.
func (e Error) Unwrap() error { return e.err }

// Error 'error' compatible method.
func (e Error) Error() string {
	if e.err == nil {
		return "versioning: cause <nil>"
	}
	return e.err.Error()

func loadMetacacheSample(t testing.TB) *metacacheReader {
	b, err := os.ReadFile("testdata/metacache.s2")
	if err != nil {
		t.Fatal(err)
	}
	return newMetacacheReader(bytes.NewReader(b))
}

func loadMetacacheSampleEntries(t testing.TB) metaCacheEntriesSorted {
	r := loadMetacacheSample(t)
	defer r.Close()

// getSHA256Hash returns SHA-256 hash in hex encoding of given data.
func getSHA256Hash(data []byte) string {
	return hex.EncodeToString(getSHA256Sum(data))
}

// 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)

//		},
//		"k1": {},
//		"k2": {
//			"k3": {"arg3"},
//		},
//		"k4": {
//			"k5.k6": {"arg4"},
//		},
//	}
func parsePreloadMap(s *schema.Schema, preloads map[string][]interface{}) map[string]map[string][]interface{} {
	preloadMap := map[string]map[string][]interface{}{}
	setPreloadMap := func(name, value string, args []interface{}) {
		if _, ok := preloadMap[name]; !ok {
			preloadMap[name] = map[string][]interface{}{}
		}

	}

	writeSuccessResponseJSON(w, body)
}

func getSRAddOptions(r *http.Request) (opts madmin.SRAddOptions) {
	opts.ReplicateILMExpiry = r.Form.Get("replicateILMExpiry") == "true"
	return opts
}

// SRPeerJoin - PUT /minio/admin/v3/site-replication/join
//
// used internally to tell current cluster to enable SR with
// the provided peer clusters and service account.

}

// failOnceWriter fails exactly once and then always reports success.
type failOnceWriter bool

func (w *failOnceWriter) Write(b []byte) (int, error) {
	if !*w {
		return 0, io.ErrShortWrite
	}
	*w = true
	return len(b), nil
}

func TestWriterErrors(t *testing.T) {
	t.Run("HeaderOnly", func(t *testing.T) {
		tw := NewWriter(new(bytes.Buffer))
		hdr := &Header{Name: "dir/", Typeflag: TypeDir}

// Code generated by "stringer -type=scannerMetric -trimprefix=scannerMetric data-scanner-metric.go"; DO NOT EDIT.

package cmd

import "strconv"

func _() {
	// An "invalid array index" compiler error signifies that the constant values have changed.
	// Re-run the stringer command to generate them again.
	var x [1]struct{}
	_ = x[scannerMetricReadMetadata-0]
	_ = x[scannerMetricCheckMissing-1]
	_ = x[scannerMetricSaveUsage-2]