func (h *HTTPRangeSpec) ToHeader() (string, error) {
	if h == nil {
		return "", nil
	}
	start := strconv.Itoa(int(h.Start))
	end := strconv.Itoa(int(h.End))
	switch {
	case h.Start >= 0 && h.End >= 0:
		if h.Start > h.End {
			return "", errInvalidRange
		}
	case h.IsSuffixLength:
		end = strconv.Itoa(int(h.Start * -1))
		start = ""
	case h.Start > -1:
		end = ""
	default:

			targetMap[r.Destination.Bucket] = struct{}{}
		}
		if err := r.Validate(bucket, sameTarget); err != nil {
			return err
		}
		if _, ok := priorityMap[strconv.Itoa(r.Priority)]; ok {
			return errReplicationUniquePriority
		}
		priorityMap[strconv.Itoa(r.Priority)] = struct{}{}

		if r.Destination.LegacyArn() {
			legacyArn = true
		}
		if c.RoleArn == "" && !r.Destination.TargetArn() {

	m.Set(erasureSetOverallWriteQuorum, float64(result.WriteQuorum))
	m.Set(erasureSetOverallHealth, b2f(result.Healthy))

	for _, h := range result.ESHealth {
		poolLV := strconv.Itoa(h.PoolID)
		setLV := strconv.Itoa(h.SetID)
		labels := []string{poolIDL, poolLV, setIDL, setLV}
		m.Set(erasureSetReadQuorum, float64(h.ReadQuorum), labels...)
		m.Set(erasureSetWriteQuorum, float64(h.WriteQuorum), labels...)

	fi.Erasure.Index = 1
	if !fi.IsValid() {
		t.Fatalf("unable to get xl meta")
	}

	// Test them.
	for _, testCase := range testCases {
		if testCase.expectedIndex > -1 {
			partNumString := strconv.Itoa(testCase.partNum)
			fi.AddObjectPart(testCase.partNum, "etag."+partNumString, int64(testCase.partNum+humanize.MiByte), ActualSize, UTCNow(), nil, nil)
		}

	}
	for i := range 10 {
		randomPerm := rand.Perm(100)
		randomString := ""
		for _, num := range randomPerm {
			randomString += strconv.Itoa(num)
		}

		expectedETaghex := getMD5Hash([]byte(randomString))

		key := "obj" + strconv.Itoa(i)
		objects[key] = []byte(randomString)
		metadata := make(map[string]string)
		metadata["etag"] = expectedETaghex
		var objInfo ObjectInfo

	return ch, nil
}

func (client *peerRESTClient) SpeedTest(ctx context.Context, opts speedTestOpts) (SpeedTestResult, error) {
	values := make(url.Values)
	values.Set(peerRESTSize, strconv.Itoa(opts.objectSize))
	values.Set(peerRESTConcurrent, strconv.Itoa(opts.concurrency))
	values.Set(peerRESTDuration, opts.duration.String())
	values.Set(peerRESTStorageClass, opts.storageClass)
	values.Set(peerRESTBucket, opts.bucketName)

	const padding = 3 // Extra padding for ' ', '=', and '\n'
	size := len(k) + len(v) + padding
	size += len(strconv.Itoa(size))
	record := strconv.Itoa(size) + " " + k + "=" + v + "\n"

	// Final adjustment if adding size field increased the record size.
	if len(record) != size {
		size = len(record)
		record = strconv.Itoa(size) + " " + k + "=" + v + "\n"
	}
	return record, nil
}

	b.ReportAllocs()
	// the actual benchmark for PutObject starts here. Reset the benchmark timer.

	for i := 0; b.Loop(); i++ {
		// insert the object.
		objInfo, err := obj.PutObject(b.Context(), bucket, "object"+strconv.Itoa(i),
			mustGetPutObjReader(b, bytes.NewReader(textData), int64(len(textData)), md5hex, sha256hex), ObjectOptions{})
		if err != nil {
			b.Fatal(err)
		}
		if objInfo.ETag != md5hex {

		{"127.0.0.1", port, fmt.Errorf("listen tcp 127.0.0.1:%v: bind: address already in use", port)},
	}

	for _, testCase := range testCases {
		err := CheckPortAvailability(testCase.host, strconv.Itoa(testCase.port), TCPOptions{})
		switch {
		case testCase.expectedErr == nil:
			if err != nil {
				t.Fatalf("error: expected = <nil>, got = %v", err)
			}
		case err == nil:

}

// Write parts count
func setPartsCountHeaders(w http.ResponseWriter, objInfo ObjectInfo) {
	if strings.Contains(objInfo.ETag, "-") && len(objInfo.Parts) > 0 {
		w.Header()[xhttp.AmzMpPartsCount] = []string{strconv.Itoa(len(objInfo.Parts))}
	}
}

// Write object header
func setObjectHeaders(ctx context.Context, w http.ResponseWriter, objInfo ObjectInfo, rs *HTTPRangeSpec, opts ObjectOptions) (err error) {
	// set common headers