if f == nil || v == "" {
		return -1
	}
	if v == nullVersionID {
		for i, ver := range f.Versions {
			if ver.VersionID == "" {
				return i
			}
		}
		return -1
	}

	for i, ver := range f.Versions {
		if ver.VersionID == v {
			return i
		}
	}
	return -1
}

// RawFileInfo - represents raw file stat information as byte array.

}

func (oiCache objInfoCache) Add(toDel ObjectToDelete, oi *ObjectInfo) {
	oiCache[fmt.Sprintf("%s-%s", toDel.ObjectName, toDel.VersionID)] = oi
}

func (oiCache objInfoCache) Get(toDel ObjectToDelete) (*ObjectInfo, bool) {
	oi, ok := oiCache[fmt.Sprintf("%s-%s", toDel.ObjectName, toDel.VersionID)]
	return oi, ok
}

}

func (z xlMetaV2VersionHeaderV2) MarshalJSON() (o []byte, err error) {
	tmp := struct {
		VersionID string
		ModTime   time.Time
		Signature string
		Type      uint8
		Flags     uint8
		EcM, EcN  uint8 // Note that these will be 0/0 for non-v2 objects and older xl.meta
	}{
		VersionID: hex.EncodeToString(z.VersionID[:]),
		ModTime:   time.Unix(0, z.ModTime),
		Signature: hex.EncodeToString(z.Signature[:]),

				UserTags:         tc.objectTags,
				ModTime:          tc.objectModTime,
				DeleteMarker:     tc.isDelMarker,
				IsLatest:         !tc.isNoncurrent,
				SuccessorModTime: tc.objectSuccessorModTime,
				VersionID:        tc.versionID,
			}
			opts.NumVersions = 1
			if tc.hasManyVersions {
				opts.NumVersions = 2 // at least one noncurrent version
			}
			if res := lc.Eval(opts); res.Action != tc.expectedAction {

		t.Fatal(err)
	}

	disk := er.getDisks()[0]
	fileInfoPreHeal1, err := disk.ReadVersion(t.Context(), "", bucket, object, oi1.VersionID, ReadOptions{ReadData: false, Healing: true})
	if err != nil {
		t.Fatal(err)
	}
	fileInfoPreHeal2, err := disk.ReadVersion(t.Context(), "", bucket, object, oi2.VersionID, ReadOptions{ReadData: false, Healing: true})
	if err != nil {
		t.Fatal(err)
	}

	MinIOCompressed = "X-Minio-Compressed"

	// SUBNET related
	SubnetAPIKey = "x-subnet-api-key"
)

// Common http query params S3 API
const (
	VersionID = "versionId"

	PartNumber = "partNumber"

	UploadID = "uploadId"
)

// http headers sent to webhook targets
const (
	// Reports the version of MinIO server

		StorageClass:         m.StorageClass,
		PartSize:             uint64(partSize),
		DisableContentSha256: true,
		UserMetadata:         meta,
	})
	return remoteVersionID(res.VersionID), m.ToObjectError(err, object)
}

func (m *warmBackendMinIO) Put(ctx context.Context, object string, r io.Reader, length int64) (remoteVersionID, error) {
	return m.PutWithMeta(ctx, object, r, length, map[string]string{})
}

func readMsgpReaderPoolPut(r *msgp.Reader) {
	if r != nil {
		readMsgpReaderPool.Put(r)
	}
}

func (client *storageRESTClient) ReadVersion(ctx context.Context, origvolume, volume, path, versionID string, opts ReadOptions) (fi FileInfo, err error) {
	ctx, cancel := context.WithTimeout(ctx, globalDriveConfig.GetMaxTimeout())
	defer cancel()

	// Use websocket when not reading data.
	if !opts.ReadData {

			return
		}

		err = c.RemoveObject(ctx, clnt.Bucket, obj, minio.RemoveObjectOptions{
			VersionID: ui.VersionID,
			Internal: minio.AdvancedRemoveOptions{
				ReplicationDeleteMarker:  true,
				ReplicationMTime:         time.Now(),
				ReplicationStatus:        minio.ReplicationStatusReplica,

}

// Reads all `xl.meta` metadata as a FileInfo slice.
// Returns error slice indicating the failed metadata reads.
func readAllFileInfo(ctx context.Context, disks []StorageAPI, origbucket string, bucket, object, versionID string, readData, healing bool) ([]FileInfo, []error) {
	metadataArray := make([]FileInfo, len(disks))

	opts := ReadOptions{
		ReadData: readData,
		Healing:  healing,
	}