b.Run(fmt.Sprint(size, "-versions"), func(b *testing.B) {
			var xl xlMetaV2
			ids := make([]string, size)
			for i := range size {
				fi.VersionID = mustGetUUID()
				fi.DataDir = mustGetUUID()
				ids[i] = fi.VersionID
				fi.ModTime = fi.ModTime.Add(-time.Second)
				xl.AddVersion(fi)
			}
			// Encode all. This is used for benchmarking.
			enc, err := xl.AppendTo(nil)
			if err != nil {

func (e InvalidVersionID) Error() string {
	return "Invalid version id: " + e.Bucket + "/" + e.Object + "(" + e.VersionID + ")"
}

// VersionNotFound version does not exist.
type VersionNotFound GenericError

func (e VersionNotFound) Error() string {
	return "Version not found: " + e.Bucket + "/" + e.Object + "(" + e.VersionID + ")"
}

// ObjectNotFound object does not exist.
type ObjectNotFound GenericError

		return objAPI.HealObjects(h.ctx, minioMetaBucket, metaPrefix, h.settings, func(bucket, object, versionID string, scanMode madmin.HealScanMode) error {
			if h.isQuitting() {
				return errHealStopSignalled
			}

			err := h.queueHealTask(healSource{
				bucket:    bucket,
				object:    object,
				versionID: versionID,
			}, madmin.HealItemBucketMetadata)
			return err
		})
	}
}

		}
		if username == globalActiveCred.AccessKey {
			principalType = "Account"
		}
	}

	vid := r.Form.Get(xhttp.VersionID)
	if vid == "" {
		if u, err := url.Parse(r.Header.Get(xhttp.AmzCopySource)); err == nil {
			vid = u.Query().Get(xhttp.VersionID)
		}
	}

	authType := getRequestAuthType(r)
	var signatureVersion string
	switch authType {
	case authTypeSignedV2, authTypePresignedV2:

//
//	path: '/' =>  Heal disk formats along with metadata
//	path: 'bucket/' or '/bucket/' => Heal bucket
//	path: 'bucket/object' => Heal object
type healTask struct {
	bucket    string
	object    string
	versionID string
	opts      madmin.HealOpts
	// Healing response will be sent here
	respCh chan healResult
}

// healResult represents a healing result with a possible error
type healResult struct {

		w.Header().Set(xhttp.ContentRange, contentRange)
	}

	// Set the relevant version ID as part of the response header.
	if objInfo.VersionID != "" && objInfo.VersionID != nullVersionID {
		w.Header()[xhttp.AmzVersionID] = []string{objInfo.VersionID}
	}

	if objInfo.ReplicationStatus.String() != "" {
		w.Header()[xhttp.AmzBucketReplicationStatus] = []string{objInfo.ReplicationStatus.String()}
	}

}

func (d *naughtyDisk) ReadVersion(ctx context.Context, origvolume, volume, path, versionID string, opts ReadOptions) (fi FileInfo, err error) {
	if err := d.calcError(); err != nil {
		return FileInfo{}, err
	}
	return d.disk.ReadVersion(ctx, origvolume, volume, path, versionID, opts)
}

func (d *naughtyDisk) WriteAll(ctx context.Context, volume string, path string, b []byte) (err error) {

// passes versionID additionally.
func checkRequestAuthTypeWithVID(ctx context.Context, r *http.Request, action policy.Action, bucketName, objectName, versionID string) (s3Err APIErrorCode) {
	logger.GetReqInfo(ctx).BucketName = bucketName
	logger.GetReqInfo(ctx).ObjectName = objectName
	logger.GetReqInfo(ctx).VersionID = versionID

	_, _, s3Err = checkRequestAuthTypeCredential(ctx, r, action)

	etags = make([]string, len(partsMetadata))
	vidMap := map[string]int{}
	for index, metadata := range partsMetadata {
		if errs[index] != nil {
			continue
		}
		vid := metadata.VersionID
		if metadata.VersionID == "" {
			vid = nullVersionID
		}
		vidMap[vid]++
		etags[index] = metadata.Metadata["etag"]
	}

	for _, count := range vidMap {
		// do we have enough common versions

				err = z.Parts[za0003].DecodeMsg(dc)
				if err != nil {
					err = msgp.WrapError(err, "Parts", za0003)
					return
				}
			}
		case "VersionID":
			z.VersionID, err = dc.ReadString()
			if err != nil {
				err = msgp.WrapError(err, "VersionID")
				return
			}
		case "DataDir":
			z.DataDir, err = dc.ReadString()
			if err != nil {
				err = msgp.WrapError(err, "DataDir")
				return