if !ok {
		tillStr, ok = meta[AmzObjectLockRetainUntilDate]
	}
	if ok {
		if t, e := amztime.ISO8601Parse(tillStr); e == nil {
			retainTill = RetentionDate{t.UTC()}
		}
	}
	return ObjectRetention{XMLNS: "http://s3.amazonaws.com/doc/2006-03-01/", Mode: mode, RetainUntilDate: retainTill}
}

// GetObjectLegalHoldMeta constructs ObjectLegalHold from metadata
func GetObjectLegalHoldMeta(meta map[string]string) ObjectLegalHold {