return nil, errors.New("obj.ObjectV1 unexpectedly nil")
			}
			dds = append(dds, obj.ObjectV1.DataDir)
		}
	}
	return dds, nil
}

// sortByModTime will sort versions by modtime in descending order,
// meaning index 0 will be latest version.
func (x *xlMetaV2) sortByModTime() {
	// Quick check
	if len(x.versions) <= 1 || sort.SliceIsSorted(x.versions, func(i, j int) bool {