ReadParts(ctx context.Context, bucket string, partMetaPaths ...string) ([]*ObjectPartInfo, error)
	ReadMultiple(ctx context.Context, req ReadMultipleReq, resp chan<- ReadMultipleResp) error
	CleanAbandonedData(ctx context.Context, volume string, path string) error

	// Write all data, syncs the data to disk.
	// Should be used for smaller payloads.

//
// S3 specifies three types of server-side-encryption - SSE-C, SSE-S3
// and SSE-KMS - with different semantics w.r.t. ETags.
// In case of SSE-S3, the ETag of an object is computed the same as
// for single resp. multipart plaintext objects. In particular,
// the ETag of a singlepart SSE-S3 object is its content MD5.
//
// In case of SSE-C and SSE-KMS, the ETag of an object is computed

		if client == nil {
			continue
		}
		wg.Add(1)
		go func(client *peerRESTClient) {
			defer wg.Done()
			resp, err := client.DriveSpeedTest(ctx, opts)
			if err != nil {
				resp.Error = err.Error()
			}

			select {
			case <-ctx.Done():
			case ch <- resp:
			}

			reqInfo := (&logger.ReqInfo{}).AppendTags("remotePeer", client.host.String())

	res := make([]*MetricV2, 0, len(resourceMetricsGroups))
	populateAndPublish(resourceMetricsGroups, func(m MetricV2) bool {
		if m.VariableLabels == nil {
			m.VariableLabels = make(map[string]string, 1)
		}
		m.VariableLabels[serverName] = globalLocalNodeName
		res = append(res, &m)
		return true
	})
	return aoMetricsGroup.NewWith(res), nil
}

                    final Iterator<Entry<Long, Response>> iterator = this.response_map.entrySet().iterator();
                    while (iterator.hasNext()) {
                        final Response resp = iterator.next().getValue();
                        resp.exception(ex);
                        iterator.remove();
                        notified = true;

                    }
                    if (notified) {

	req = signer.SignV4(*req, accessKey, secretKey, "", "")

	// 3.1 Execute the request.
	resp, err := s.TestSuiteCommon.client.Do(req)
	if err != nil {
		c.Fatalf("unexpected request err: %v", err)
	}
	if resp.StatusCode != 200 {
		c.Fatalf("got unexpected response: %#v\n", resp)
	}

	// 3.2 check that user cannot delete the bucket
	err = uClient.RemoveBucket(ctx, bucket)

// MD5 checksum of everything it reads as ETag.
//
// It also computes the SHA256 checksum of everything it reads
// if sha256Hex is not the empty string.
//
// If size resp. actualSize is unknown at the time of calling
// NewReader then it should be set to -1.
// When size is >=0 it *must* match the amount of data provided by r.
//
// NewReader may try merge the given size, MD5 and SHA256 values

// gzip the response and throttle the handler via `maxClients`. Each of these
// can be disabled via the corresponding `s3HFlag`.
//
// CAUTION: for requests involving large req/resp bodies ensure to pass the
// `traceHdrsS3HFlag`, otherwise both headers and body will be traced, causing
// high memory usage!
func s3APIMiddleware(f http.HandlerFunc, flags ...s3HFlag) http.HandlerFunc {

    /**
     *
     * {@inheritDoc}
     *
     * @see jcifs.internal.SmbNegotiationResponse#setupResponse(jcifs.util.transport.Response)
     */
    @Override
    public void setupResponse(final Response resp) {
    }

    @Override
    protected int readBytesWireFormat(final byte[] buffer, int bufferIndex) throws SMBProtocolDecodingException {
        final int start = bufferIndex;

				fi.Erasure.Index = index + 1
			}

			if !fi.IsValid() {
				return errFileCorrupt
			}
			resp, err := disks[index].RenameData(ctx, srcBucket, srcEntry, fi, dstBucket, dstEntry, RenameOptions{})
			if err != nil {
				return err
			}
			diskVersions[index] = resp.Sign
			dataDirs[index] = resp.OldDataDir
			return nil
		}, index)
	}

	// Wait for all renames to finish.
	errs := g.Wait()