config, _, err := globalBucketMetadataSys.GetObjectLockConfig(bucketName)
	if err != nil {
		if errors.Is(err, BucketObjectLockConfigNotFound{Bucket: bucketName}) {
			return r, nil
		}
		if errors.Is(err, errInvalidArgument) {
			return r, err
		}
		return r, err
	}
	return config.ToRetention(), nil
}

// enforceRetentionForDeletion checks if it is appropriate to remove an

				}
			} else if idx := getRIndex(names, c.before); idx != -1 {
				// if before callback exists
				cs[idx].after = c.name
			}
		}

		if c.after != "" { // if defined after callback
			if c.after == "*" && len(sorted) > 0 {
				if curIdx := getRIndex(sorted, c.name); curIdx == -1 {
					sorted = append(sorted, c.name)
				}
			} else if sortedIdx := getRIndex(sorted, c.after); sortedIdx != -1 {

		if _, err := browser.LookupConfig(s[config.BrowserSubSys][config.Default]); err != nil {
			return err
		}
	default:
		if config.LoggerSubSystems.Contains(subSys) {
			if err := logger.ValidateSubSysConfig(ctx, s, subSys); err != nil {
				return err
			}
		}
	}

	if config.NotifySubSystems.Contains(subSys) {
		if err := notify.TestSubSysNotificationTargets(ctx, s, subSys, NewHTTPTransport()); err != nil {

	v := allTierStats{}
	bts, err := v.MarshalMsg(nil)
	if err != nil {
		t.Fatal(err)
	}
	left, err := v.UnmarshalMsg(bts)
	if err != nil {
		t.Fatal(err)
	}
	if len(left) > 0 {
		t.Errorf("%d bytes left over after UnmarshalMsg(): %q", len(left), left)
	}

	left, err = msgp.Skip(bts)
	if err != nil {
		t.Fatal(err)
	}
	if len(left) > 0 {

	if err := m.send(msg); err != nil {
		return nil, err
	}
	if debugReqs {
		fmt.Println(m.MuxID, m.parent.String(), "SEND")
	}
	// Wait for response or context.
	select {
	case v, ok := <-ch:
		if !ok {
			return nil, ErrDisconnected
		}
		if debugReqs && v.Err != nil {
			v.Err = fmt.Errorf("%d %s RESP ERR: %w", m.MuxID, m.parent.String(), v.Err)
		}
		return v.Msg, v.Err
	case <-ctx.Done():
		if debugReqs {

		v, err = cr.reader.ReadByte()
		if err != nil {
			if err == io.EOF {
				return io.ErrUnexpectedEOF
			}
		}
		if v != '\n' {
			return errMalformedEncoding
		}
		break
	}

	// Read signature
	var signatureBuffer bytes.Buffer
	for {
		v, err := cr.reader.ReadByte()
		if err != nil {
			if err == io.EOF {
				return io.ErrUnexpectedEOF
			}
		}
		if v != '\r' {

	// we should return 'errs' from per disk
	if isAllNotFound(errs) {
		if isAllVolumeNotFound(errs) {
			return errVolumeNotFound
		}
		return nil
	}

	if err != nil {
		return err
	}

	if contextCanceled(ctx) {
		return ctx.Err()
	}

	for _, err := range errs {
		if errors.Is(err, io.EOF) {
			continue
		}

			stop()
			if err != nil {
				if isSysErrNotDir(err) {
					return nil
				}
				err = osErrToFileErr(err)
				if err == errFileNotFound {
					return nil
				}
				return err
			}
			if nbuf <= 0 {
				break // EOF
			}
		}
		consumed, name, typ, err := parseDirEnt(buf[boff:nbuf])
		if err != nil {
			return err
		}
		boff += consumed

		return
	}

	if err = cfg.DelFrom(bytes.NewReader(kvBytes)); err != nil {
		writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
		return
	}

	if err = validateConfig(ctx, cfg, subSys); err != nil {
		writeCustomErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrAdminConfigBadJSON), err.Error(), r.URL)
		return
	}

	// Check if subnet proxy being deleted and if so the value of proxy of subnet

// IsRequested returns true if the HTTP headers contains
// at least one SSE-KMS header.
func (ssekms) IsRequested(h http.Header) bool {
	if _, ok := h[xhttp.AmzServerSideEncryptionKmsID]; ok {
		return true
	}
	if _, ok := h[xhttp.AmzServerSideEncryptionKmsContext]; ok {
		return true
	}
	if _, ok := h[xhttp.AmzServerSideEncryption]; ok {