errs := make([]error, len(fanOutEntries))
	objInfos := make([]ObjectInfo, len(fanOutEntries))

	var wg sync.WaitGroup
	for i, req := range fanOutEntries {
		wg.Add(1)
		go func(idx int, req minio.PutObjectFanOutEntry) {
			defer wg.Done()

			objInfos[idx] = ObjectInfo{Name: req.Key}

			hopts := hash.Options{
				Size:       int64(len(fanOutBuf)),

	// Set last modified time.
	lastModified := objInfo.ModTime.UTC().Format(http.TimeFormat)
	w.Header().Set(xhttp.LastModified, lastModified)

	// Set Etag if available.
	if objInfo.ETag != "" {
		w.Header()[xhttp.ETag] = []string{"\"" + objInfo.ETag + "\""}
	}

	if objInfo.ContentType != "" {
		w.Header().Set(xhttp.ContentType, objInfo.ContentType)
	}

	if objInfo.ContentEncoding != "" {

			ifNoneMatch:     "aa",
			ifModifiedSince: "Sun, 26 Aug 2024 02:01:00 GMT",
			objInfo:         objInfo,
			expectedFlag:    true,
			expectedCode:    304,
		},
		// If-Modified-Since(false)
		{
			name:            "If-None-Match2",
			ifNoneMatch:     "aaa",
			ifModifiedSince: "Sun, 26 Aug 2024 02:01:01 GMT",
			objInfo:         objInfo,
			expectedFlag:    true,
			expectedCode:    304,
		},
		{

		// 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 {
			b.Fatalf("Write no: %d: Md5Sum mismatch during object write into the bucket: Expected %s, got %s", i+1, objInfo.ETag, md5hex)
		}
	}

	}
	defer r.Close()

	buf, err := io.ReadAll(r)
	if err != nil {
		return nil, ObjectInfo{}, err
	}
	if len(buf) == 0 {
		return nil, ObjectInfo{}, errConfigNotFound
	}
	return buf, r.ObjInfo, nil
}

func readConfig(ctx context.Context, store objectIO, configFile string) ([]byte, error) {
	buf, _, err := readConfigWithMetadata(ctx, store, configFile, ObjectOptions{})
	return buf, err
}

func veeamSOSAPIHeadObject(ctx context.Context, bucket, object string, opts ObjectOptions) (ObjectInfo, error) {
	gr, err := veeamSOSAPIGetObject(ctx, bucket, object, nil, opts)
	if gr != nil {
		gr.Close()
		return gr.ObjInfo, nil
	}
	return ObjectInfo{}, err
}

func veeamSOSAPIGetObject(ctx context.Context, bucket, object string, rs *HTTPRangeSpec, opts ObjectOptions) (gr *GetObjectReader, err error) {
	var buf []byte