queryStr := strings.ReplaceAll(query.Encode(), "+", "%20")
	canonicalRequest := getCanonicalRequest(extractedSignedHeaders, unsignedPayload, queryStr, req.URL.Path, req.Method)
	stringToSign := getStringToSign(canonicalRequest, date, scope)
	signingKey := getSigningKey(secretAccessKey, date, region, serviceS3)
	signature := getSignature(signingKey, stringToSign)

	req.URL.RawQuery = query.Encode()

	// Add signature header to RawQuery.

	v := BaseOptions{}
	var buf bytes.Buffer
	msgp.Encode(&buf, &v)

	m := v.Msgsize()
	if buf.Len() > m {
		t.Log("WARNING: TestEncodeDecodeBaseOptions Msgsize() is inaccurate")
	}

	vn := BaseOptions{}
	err := msgp.Decode(&buf, &vn)
	if err != nil {
		t.Error(err)
	}

	buf.Reset()
	msgp.Encode(&buf, &v)
	err = msgp.NewReader(&buf).Skip()
	if err != nil {
		t.Error(err)
	}

	for {
		select {
		case <-ctx.Done():
			grid.PutByteBuffer(buf.Bytes())
			return nil
		case ev := <-ch:
			buf.Reset()
			tmpEvt.Records[0] = ev
			if err := enc.Encode(tmpEvt); err != nil {
				peersLogOnceIf(ctx, err, "event: Encode failed")
				continue
			}
			out <- grid.NewBytesWithCopyOf(buf.Bytes())
		}
	}
}

// TraceHandler sends http trace messages back to peer rest client

  def maybe_encode_env(env):
    """Encodes unicode in env to str on Windows python 2.x."""
    if not is_windows() or sys.version_info[0] != 2:
      return env
    for k, v in env.items():
      if isinstance(k, unicode):
        k = k.encode('ascii')
      if isinstance(v, unicode):
        v = v.encode('ascii')
      env[k] = v
    return env

					Host:         handlers.GetSourceIP(r),
				})
			}

			if done {
				break
			}
		}

		enc := json.NewEncoder(w)
		for i, fanOutResp := range fanOutResp {
			if err = enc.Encode(&fanOutResp); err != nil {
				writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
				return
			}

			// Notify object created events.
			sendEvent(eventArgsList[i])

			defer grid.PutByteBuffer(buf)
			writers[i] = newStreamingBitrotWriterBuffer(inlineBuffers[i], DefaultBitrotAlgorithm, erasure.ShardSize())
		}
	}

	n, erasureErr := erasure.Encode(ctx, data, writers, buffer, writeQuorum)
	closeBitrotWriters(writers)
	if erasureErr != nil {
		return ObjectInfo{}, toObjectErr(erasureErr, minioMetaBucket, key)
	}

}

func (x *xlMetaV2) addVersion(ver xlMetaV2Version) error {
	modTime := ver.getModTime().UnixNano()
	if !ver.Valid() {
		return errors.New("attempted to add invalid version")
	}
	encoded, err := ver.MarshalMsg(nil)
	if err != nil {
		return err
	}

	// returns error if we have exceeded configured object max versions
	if int64(len(x.versions)+1) > globalAPIConfig.getObjectMaxVersions() {

	for name, p := range policies {
		_, err = json.Marshal(p)
		if err != nil {
			adminLogIf(ctx, err)
			continue
		}
		newPolicies[name] = p
	}
	if err = json.NewEncoder(w).Encode(newPolicies); err != nil {
		writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
		return
	}
}

// ListCannedPolicies - GET /minio/admin/v3/list-canned-policies

    Cancellation(boolean wasInterrupted, @CheckForNull Throwable cause) {
      this.wasInterrupted = wasInterrupted;
      this.cause = cause;
    }
  }

  /** A special value that encodes the 'setFuture' state. */
  private static final class SetFuture<V extends @Nullable Object> implements Runnable {
    final AbstractFuture<V> owner;
    final ListenableFuture<? extends V> future;

  // or duplicate fields. Valid values are:
  // - Ignore: This will ignore any unknown fields that are silently
  // dropped from the object, and will ignore all but the last duplicate
  // field that the decoder encounters. This is the default behavior
  // prior to v1.23.
  // - Warn: This will send a warning via the standard warning response
  // header for each unknown field that is dropped from the object, and