if s3Err == ErrNone && retentionMode.Valid() {
		metadata[strings.ToLower(xhttp.AmzObjectLockMode)] = string(retentionMode)
		metadata[strings.ToLower(xhttp.AmzObjectLockRetainUntilDate)] = amztime.ISO8601Format(retentionDate.UTC())
	}
	if s3Err == ErrNone && legalHold.Status.Valid() {
		metadata[strings.ToLower(xhttp.AmzObjectLockLegalHold)] = string(legalHold.Status)
	}
	if s3Err != ErrNone {

// header values specified in X-Amz-Metadata-Directive.
func getCpObjMetadataFromHeader(ctx context.Context, r *http.Request, userMeta map[string]string) (map[string]string, error) {
	// Make a copy of the supplied metadata to avoid
	// to change the original one.
	defaultMeta := make(map[string]string, len(userMeta))
	for k, v := range userMeta {
		// skip tier metadata when copying metadata from source object
		switch k {

			crc := expPart.Checksums[checksumType.String()]
			if crc == "" {
				return oi, InvalidPart{
					PartNumber: part.PartNumber,
				}
			}
			wantCS := map[string]string{
				hash.ChecksumCRC32.String():     part.ChecksumCRC32,
				hash.ChecksumCRC32C.String():    part.ChecksumCRC32C,
				hash.ChecksumSHA1.String():      part.ChecksumSHA1,
				hash.ChecksumSHA256.String():    part.ChecksumSHA256,

	// Metadata operations
	PutObjectMetadata(context.Context, string, string, ObjectOptions) (ObjectInfo, error)
	DecomTieredObject(context.Context, string, string, FileInfo, ObjectOptions) error

	// ObjectTagging operations
	PutObjectTags(context.Context, string, string, string, ObjectOptions) (ObjectInfo, error)
	GetObjectTags(context.Context, string, string, ObjectOptions) (*tags.Tags, error)

	if len(logger.AuditTargets()) == 0 {
		return
	}

	opts := AuditLogOptions{
		Event:     "DeleteDanglingObject",
		Bucket:    bucket,
		Object:    object,
		VersionID: versionID,
		Tags:      tags,
	}

	auditLogInternal(ctx, opts)
}

func joinErrs(errs []error) string {
	var s string
	for i := range s {