return errTierNameNotUppercase
	}

	// check if tier name already in use
	if _, exists := config.isTierNameInUse(tierName); exists {
		return errTierAlreadyExists
	}

	d, err := newWarmBackend(ctx, tier, true)
	if err != nil {
		return err
	}

	if !ignoreInUse {
		// Check if warmbackend is in use by other MinIO tenants
		inUse, err := d.InUse(ctx)
		if err != nil {
			return err
		}

			writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
			return
		}
		return
	}

	if err = httpWriter.Close(); err != nil {
		if !httpWriter.HasWritten() { // write error response only if no data or headers has been written to client yet
			writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
			return
		}
		return
	}
}

	if _, err := fmt.Fprint(out, outputHeader); err != nil {
		return err
	}
	if err := codec.Encode(in, out); err != nil {
		return err
	}
	if _, err := fmt.Fprint(out, outputTrailer); err != nil {
		return err
	}
	return nil
}

type writer interface {
	io.Writer
	String() string
}

func makeOutputWriter() writer {
	return &bytes.Buffer{}
}

            }
            return new AbstractMap<String, String>() {
              @Override
              public Set<Entry<String, String>> entrySet() {
                return map.entrySet();
              }

              @Override
              public @Nullable String put(String key, String value) {
                checkNotNull(key);
                return map.put(key, value);
              }

    @Override
    public String asTableDbName() {
        return asEsIndexType();
    }

    @Override
    protected String asEsIndex() {
        return "fess_config.web_config";
    }

    @Override
    public String asEsIndexType() {
        return "web_config";
    }

    @Override
    public String asEsSearchType() {
        return "web_config";
    }

    @Override

func (x *xlMetaV2VersionHeader) unmarshalV(v uint8, bts []byte) (o []byte, err error) {
	switch v {
	case 1:
		return x.unmarshalV1(bts)
	case 2:
		x2 := xlMetaV2VersionHeaderV2{xlMetaV2VersionHeader: x}
		return x2.UnmarshalMsg(bts)
	case xlHeaderVersion:
		return x.UnmarshalMsg(bts)
	}
	return bts, fmt.Errorf("unknown xlHeaderVersion: %d", v)
}

// unmarshalV1 decodes version 1, never released.

				return nil
			}
		}
		configData, err := base64.StdEncoding.DecodeString(*versioning)
		if err != nil {
			return wrapSRErr(err)
		}
		_, err = globalBucketMetadataSys.Update(ctx, bucket, bucketVersioningConfig, configData)
		if err != nil {
			return wrapSRErr(err)
		}
		return nil
	}

	return nil
}

				// ERROR_DIR_NOT_EMPTY
				return errno == 0x91
			}
		}
	}
	return false
}

// Check if the given error corresponds to the specific ERROR_PATH_NOT_FOUND for windows
func isSysErrPathNotFound(err error) bool {
	if runtime.GOOS != globalWindowsOSName {
		var pathErr *os.PathError
		if errors.As(err, &pathErr) {
			return pathErr.Err == syscall.ENOENT
		}
		return false
	}
	var pathErr *os.PathError

		if err != nil {
			return nil, nil, fmt.Errorf("Drive %s: %w", export, err)
		}
		// Migrate successful v2 => v3, v3 is latest
		// version = formatXLVersionV3
		return migrate(formatPath, formatData)
	case formatErasureVersionV3:
		// v3 is the latest version, return.
		return formatData, formatFi, nil
	}
	return nil, nil, fmt.Errorf(`Disk %s: unknown format version %s`, export, version)

func (r *ReplicationStats) ActiveWorkers() ActiveWorkerStat {
	if r == nil {
		return ActiveWorkerStat{}
	}
	r.wlock.RLock()
	defer r.wlock.RUnlock()
	w := r.workers.get()
	return ActiveWorkerStat{
		Curr: w.Curr,
		Max:  w.Max,
		Avg:  w.Avg,
	}
}

func (r *ReplicationStats) collectWorkerMetrics(ctx context.Context) {
	if r == nil {
		return
	}
	for {
		select {
		case <-ctx.Done():
			return