headerMap[strings.ToLower(k)] = vv
		}
	}

	// Get header keys.
	headers := []string{"host"}
	for k := range headerMap {
		headers = append(headers, k)
	}
	sort.Strings(headers)

	// Get canonical headers.
	var buf bytes.Buffer
	for _, k := range headers {
		buf.WriteString(k)
		buf.WriteByte(':')
		switch {
		case k == "host":

			withJSON: `{"request":{"uri":"/1","header":{"User-Agent":"test"}}}
{"request":{"uri":"/2","header":{}}}`,
		},
		{
			name:  "is-not-missing-2",
			query: `select * from s3object[*] as s where s.request.header is not missing`,
			wantResult: `{"request":{"uri":"/1","header":{"User-Agent":"test"}}}
{"request":{"uri":"/2","header":{}}}`,
			withJSON: `{"request":{"uri":"/1","header":{"User-Agent":"test"}}}

	},
	ErrUnsupportedMetadata: {
		Code:           "InvalidArgument",
		Description:    "Your metadata headers are not supported.",
		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrUnsupportedHostHeader: {
		Code:           "InvalidArgument",
		Description:    "Your Host header is malformed.",
		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrObjectTampered: {

				err = msgp.WrapError(err)
				return
			}
		}
	}
	return
}

// EncodeMsg implements msgp.Encodable
func (z *BucketReplicationStat) EncodeMsg(en *msgp.Writer) (err error) {
	// map header, size 14
	// write "ReplicatedSize"
	err = en.Append(0x8e, 0xae, 0x52, 0x65, 0x70, 0x6c, 0x69, 0x63, 0x61, 0x74, 0x65, 0x64, 0x53, 0x69, 0x7a, 0x65)
	if err != nil {
		return
	}

			readers[index] = newBitrotReader(disk, metaArr[index].Data, bucket, partPath, tillOffset,
				checksumInfo.Algorithm, checksumInfo.Hash, erasure.ShardSize())

			// Prefer local disks
			prefer[index] = disk.Hostname() == ""
		}

		written, err := erasure.Decode(ctx, writer, readers, partOffset, partLength, partSize, prefer)

			if fi.InlineData() {
				// If written with header we are fine.
				return fi, nil
			}
			if fi.Size == 0 || !(fi.VersionID != "" && fi.VersionID != nullVersionID) {
				// If versioned we have no conflicts.
				fi.SetInlineData()
				return fi, nil
			}

			// For overwritten objects without header we might have a
			// conflict with data written later. Check the data path

		zb0001Len--
		zb0001Mask |= 0x1
	}
	// variable map header, size zb0001Len
	o = append(o, 0x80|uint8(zb0001Len))
	if zb0001Len == 0 {
		return
	}
	if (zb0001Mask & 0x1) == 0 { // if not omitted
		// string "V2Obj"
		o = append(o, 0xa5, 0x56, 0x32, 0x4f, 0x62, 0x6a)
		if z.ObjectV2 == nil {
			o = msgp.AppendNil(o)
		} else {
			// map header, size 1
			// string "DDir"

		if match.IgnoreUriCase {
			retval += " uncased"
		}
	}

	if len(match.Headers) > 0 {
		headerConds := []string{}
		for key, val := range match.Headers {
			headerConds = append(headerConds, fmt.Sprintf("%s=%s", key, renderStringMatch(val)))
		}
		retval += " when headers are " + strings.Join(headerConds, "; ")
	}

	// TODO QueryParams, maybe Gateways
	return strings.TrimSpace(retval)

		zipWriter := zip.NewWriter(&b)
		rawDataFn := func(r io.Reader, filename string, sz int) error {
			header, zerr := zip.FileInfoHeader(dummyFileInfo{
				name:    filename,
				size:    int64(sz),
				mode:    0o600,
				modTime: time.Now(),
				isDir:   false,
				sys:     nil,
			})
			if zerr != nil {
				adminLogIf(ctx, zerr)
				return nil
			}
			header.Method = zip.Deflate

	}

	globalBucketMetadataSys.Set(bucket, meta)

	// Success.
	return nil
}

func (z *erasureServerPools) GetObjectNInfo(ctx context.Context, bucket, object string, rs *HTTPRangeSpec, h http.Header, opts ObjectOptions) (gr *GetObjectReader, err error) {
	if err = checkGetObjArgs(ctx, bucket, object); err != nil {
		return nil, err
	}

	// This is a special call attempted first to check for SOS-API calls.