case bucketMetadataFormat:
	default:
		return b, fmt.Errorf("loadBucketMetadata: unknown format: %d", binary.LittleEndian.Uint16(data[0:2]))
	}
	switch binary.LittleEndian.Uint16(data[2:4]) {
	case bucketMetadataVersion:
	default:
		return b, fmt.Errorf("loadBucketMetadata: unknown version: %d", binary.LittleEndian.Uint16(data[2:4]))
	}
	_, err = b.UnmarshalMsg(data[4:])
	return b, err
}

        provider.root.plugin.each { Element plugin ->
            def pluginId = plugin.'@id'
            if (!pluginId) {
                throw new RuntimeException("No id specified for plugin: ${plugin.'@description' ?: 'unknown'}")
            }
            plugin.extends.each { Element e ->
                def targetClass = e.'@targetClass'
                if (!targetClass) {

		canClose:     &sync.WaitGroup{},
		byteBuf:      buf,
	}
	bw.canClose.Add(1)
	go func() {
		defer bw.canClose.Done()

		totalFileSize := int64(-1) // For compressed objects length will be unknown (represented by length=-1)
		if length != -1 {
			bitrotSumsTotalSize := ceilFrac(length, shardSize) * int64(h.Size()) // Size used for storing bitrot checksums.
			totalFileSize = bitrotSumsTotalSize + length
		}

      TYPE_GOAWAY -> readGoAway(handler, length, flags, streamId)
      TYPE_WINDOW_UPDATE -> readWindowUpdate(handler, length, flags, streamId)
      else -> source.skip(length.toLong()) // Implementations MUST discard frames of unknown types.
    }

    return true
  }

  @Throws(IOException::class)
  private fun readHeaders(
    handler: Handler,
    length: Int,
    flags: Int,
    streamId: Int,
  ) {

    /**
     * SID type indicating an unknown account type.
     */
    public static final int SID_TYPE_UNKNOWN = lsarpc.SID_NAME_UNKNOWN;

    static final String[] SID_TYPE_NAMES =
            { "0", "User", "Domain group", "Domain", "Local group", "Builtin group", "Deleted", "Invalid", "Unknown" };

    /**
     * Flag indicating that SIDs should be resolved to names.
     */

				replicateObject(p.ctx, v, p.objLayer)
				atomic.AddInt32(&p.activeMRFWorkers, -1)
				p.stats.decQ(v.Bucket, v.Size, v.DeleteMarker, v.OpType)

			default:
				bugLogIf(p.ctx, fmt.Errorf("unknown mrf replication type: %T", oi), "unknown-mrf-replicate-type")
			}
		case <-p.mrfWorkerKillCh:
			return
		}
	}
}

// AddWorker adds a replication worker to the pool.

  private var reader: Reader? = null

  abstract fun contentType(): MediaType?

  /**
   * Returns the number of bytes in that will returned by [bytes], or [byteStream], or -1 if
   * unknown.
   */
  abstract fun contentLength(): Long

  fun byteStream(): InputStream = source().inputStream()

  abstract fun source(): BufferedSource

  /**
   * Returns the response as a byte array.

                        logger.debug("No thumbnail: {} -> {}", thumbnailId, responseData.getUrl());
                    }
                    break;
                default:
                    logger.error("Unknown thumbnail result: {} -> {}", thumbnailId, responseData.getUrl());
                    break;
                }
            } catch (final Throwable t) {

                exceptionMessage = t.getClass().getSimpleName();
            }

            if (t instanceof UnknownHostException && !fullMessage.contains("host")) {
                fullMessage = join(fullMessage, "Unknown host " + exceptionMessage);
            } else if (!fullMessage.contains(exceptionMessage)) {
                fullMessage = join(fullMessage, exceptionMessage);
            }

            if (!dejaVu.add(t)) {

            if (entity.getTerm().startsWith(regexPrefix)) {
                final String regex = entity.getTerm().substring(regexPrefix.length());
                if (StringUtil.isBlank(regex)) {
                    logger.warn("Unknown regex pattern: {}", entity.getTerm());
                } else {
                    pair.getSecond().add(new Pair<>(Pattern.compile(regex), entity.getContent()));
                }
            } else {