return j.ObjectV2.Signature()
	case DeleteType:
		return j.DeleteMarker.Signature()
	case LegacyType:
		return j.ObjectV1.Signature()
	}
	return signatureErr
}

// getModTime will return the ModTime of the underlying version.
func (j xlMetaV2Version) getModTime() time.Time {
	switch j.Type {
	case ObjectType:
		return time.Unix(0, j.ObjectV2.ModTime)
	case DeleteType:

func (e *metaCacheEntry) isLatestDeletemarker() bool {
	if e.cached != nil {
		if len(e.cached.versions) == 0 {
			return true
		}
		return e.cached.versions[0].header.Type == DeleteType
	}
	if !isXL2V1Format(e.metadata) {
		return false
	}
	if meta, _, err := isIndexedMetaV2(e.metadata); meta != nil {
		return meta.IsLatestDeleteMarker()
	} else if err != nil {
		return true
	}