key = ""
	}
	var u uuid.UUID
	if key != "" {
		u, err = uuid.Parse(key)
		if err != nil {
			return -1, nil, errFileVersionNotFound
		}
	}
	return x.findVersion(u)
}

func (x *xlMetaV2) findVersion(key [16]byte) (idx int, ver *xlMetaV2Version, err error) {
	for i, ver := range x.versions {
		if key == ver.header.VersionID {
			obj, err := x.getIdx(i)
			return i, obj, err
		}

		failOnErr(i+1, xl.AddVersion(fi))
		fi.ExpireRestored = tc.expireRestored
		fileInfos = append(fileInfos, fi)
	}

	for i, tc := range testCases {
		_, version, err := xl.findVersion(uuid.MustParse(tc.versionID))
		failOnErr(i+1, err)
		if got := xl.SharedDataDirCount(version.getVersionID(), version.ObjectV2.DataDir); got != tc.shares {