func NewFixedBuilder(buffer []byte) *Builder {
	return &Builder{
		result:    buffer,
		fixedSize: true,
	}
}

// SetError sets the value to be returned as the error from Bytes. Writes
// performed after calling SetError are ignored.
func (b *Builder) SetError(err error) {
	b.err = err
}

// Bytes returns the bytes written by the builder or an error if one has
// occurred during building.

	So_linger    int16
	So_state     int16
	So_pcb       uint32
	Xso_protocol int32
	Xso_family   int32
	So_qlen      int16
	So_incqlen   int16
	So_qlimit    int16
	So_timeo     int16
	So_error     uint16
	So_pgid      int32
	So_oobmark   uint32
	So_rcv       XSockbuf
	So_snd       XSockbuf
	So_uid       uint32
}

type XSocket64 struct {
	Xso_len      uint32
	_            [8]byte

	So_linger    int16
	So_state     int16
	So_pcb       uint32
	Xso_protocol int32
	Xso_family   int32
	So_qlen      int16
	So_incqlen   int16
	So_qlimit    int16
	So_timeo     int16
	So_error     uint16
	So_pgid      int32
	So_oobmark   uint32
	So_rcv       XSockbuf
	So_snd       XSockbuf
	So_uid       uint32
}

type XSocket64 struct {
	Xso_len      uint32
	_            [8]byte

			// Either use it systematically or remove it.
			if len(args) == 1 {
				return nil, stopError{msg: args[0]}
			}
			return nil, stopError{}
		})
}

// stopError is the sentinel error type returned by the Stop command.
type stopError struct {
	msg string
}

func (s stopError) Error() string {
	if s.msg == "" {
		return "stop"
	}
	return "stop: " + s.msg
}

func TestIssue20396(t *testing.T) {

	var attrError = UnmarshalError("XML syntax error on line 1: expected attribute name in element")

	testCases := []struct {
		s       string
		wantErr error
	}{
		{`<a:te:st xmlns:a="abcd"/>`, // Issue 20396
			UnmarshalError("XML syntax error on line 1: expected element name after <")},
		{`<a:te=st xmlns:a="abcd"/>`, attrError},
		{`<a:te&st xmlns:a="abcd"/>`, attrError},

	data, err := io.ReadAll(body)
	if err != nil {
		return SRError{
			Cause: err,
			Code:  ErrSiteReplicationInvalidRequest,
		}
	}
	if encryptionKey != "" {
		data, err = madmin.DecryptData(encryptionKey, bytes.NewReader(data))
		if err != nil {
			return SRError{
				Cause: err,
				Code:  ErrSiteReplicationInvalidRequest,
			}
		}
	}

}

// Verify if request has valid AWS Signature Version '2'.
func isReqAuthenticatedV2(r *http.Request) (s3Error APIErrorCode) {
	if isRequestSignatureV2(r) {
		return doesSignV2Match(r)
	}
	return doesPresignV2SignatureMatch(r)
}

func reqSignatureV4Verify(r *http.Request, region string, stype serviceType) (s3Error APIErrorCode) {
	sha256sum := getContentSha256Cksum(r, stype)
	switch {
	case isRequestSignatureV4(r):

	Sec  int64
	Nsec int64
}

type Timeval struct {
	Sec  int64
	Usec int64
}

type Timex struct {
	Modes     uint32
	Pad_cgo_0 [4]byte
	Offset    int64
	Freq      int64
	Maxerror  int64
	Esterror  int64
	Status    int32
	Pad_cgo_1 [4]byte
	Constant  int64
	Precision int64
	Tolerance int64
	Time      Timeval
	Tick      int64
	Ppsfreq   int64
	Jitter    int64
	Shift     int32
	Pad_cgo_2 [4]byte

	Sec  int64
	Nsec int64
}

type Timeval struct {
	Sec  int64
	Usec int64
}

type Timex struct {
	Modes     uint32
	Pad_cgo_0 [4]byte
	Offset    int64
	Freq      int64
	Maxerror  int64
	Esterror  int64
	Status    int32
	Pad_cgo_1 [4]byte
	Constant  int64
	Precision int64
	Tolerance int64
	Time      Timeval
	Tick      int64
	Ppsfreq   int64
	Jitter    int64
	Shift     int32
	Pad_cgo_2 [4]byte

type Timespec struct {
	Sec  int64
	Nsec int64
}

type Timeval struct {
	Sec  int64
	Usec int64
}

type Timex struct {
	Modes     uint32
	Offset    int64
	Freq      int64
	Maxerror  int64
	Esterror  int64
	Status    int32
	Constant  int64
	Precision int64
	Tolerance int64
	Time      Timeval
	Tick      int64
	Ppsfreq   int64
	Jitter    int64
	Shift     int32
	Stabil    int64
	Jitcnt    int64