BandWidthLimitInBytesPerSecond int64 `json:"limitInBits"`
	// current bandwidth reported
	CurrentBandwidthInBytesPerSecond float64 `json:"currentBandwidth"`
	// transfer rate for large uploads
	XferRateLrg *XferStats `json:"-" msg:"lt"`
	// transfer rate for small uploads
	XferRateSml *XferStats `json:"-" msg:"st"`

	// Deprecated fields
	// Pending size in bytes
	PendingSize int64 `json:"pendingReplicationSize"`

)

//go:generate msgp -file $GOFILE

const (
	// beta is the weight used to calculate exponential moving average
	beta = 0.1 // Number of averages considered = 1/(1-beta)
)

// rateMeasurement captures the transfer details for one bucket/target
//msgp:ignore rateMeasurement

type rateMeasurement struct {
	lock                 sync.Mutex
	bytesSinceLastWindow uint64    // Total bytes since last window was processed

// AsMap returns the
func (c *Checksum) AsMap() map[string]string {
	if c == nil || !c.Valid() {
		return nil
	}
	return map[string]string{c.Type.String(): c.Encoded}
}

// TransferChecksumHeader will transfer any checksum value that has been checked.
// If checksum was trailing, they must have been added to r.Trailer.
func TransferChecksumHeader(w http.ResponseWriter, r *http.Request) {
	c, err := GetContentChecksum(r.Header)

// TestExtractSignedHeaders - Tests validate extraction of signed headers using list of signed header keys.
func TestExtractSignedHeaders(t *testing.T) {
	signedHeaders := []string{"host", "x-amz-content-sha256", "x-amz-date", "transfer-encoding"}

	// If the `expect` key exists in the signed headers then golang server would have stripped out the value, expecting the `expect` header set to `100-continue` in the result.

	case rs.Pending:
	}
}

type replStat struct {
	Arn       string
	Completed bool
	Pending   bool
	Failed    bool
	opType    replication.Type
	// transfer size
	TransferSize int64
	// transfer duration
	TransferDuration time.Duration
	Endpoint         string
	Secure           bool
	Err              error
}

func (rs *replStat) endpoint() string {
	scheme := "http"

			col:  r.col,
			msg:  "Invalid arguments specified",
		}
	}

	return nil
}

//   # snowball based archive transfer is by default enabled when source
//   # is local and target is remote which is also minio.
//   snowball:
//     disable: false # optionally turn-off snowball archive transfer
//     batch: 100 # upto this many objects per archive

		reqHeaders := r.Header.Clone()
		reqHeaders.Set("Host", r.Host)
		if len(r.TransferEncoding) == 0 {
			reqHeaders.Set("Content-Length", strconv.Itoa(int(r.ContentLength)))
		} else {
			reqHeaders.Set("Transfer-Encoding", strings.Join(r.TransferEncoding, ","))
		}
		inputBytes := reqRecorder.Size()
		for k, v := range reqHeaders {
			inputBytes += len(k) + len(v)
		}

		// Calculate node name

			extractedSignedHeaders.Set(header, "100-continue")
		case "host":
			// Go http server removes "host" from Request.Header
			extractedSignedHeaders.Set(header, r.Host)
		case "transfer-encoding":
			// Go http server removes "host" from Request.Header
			extractedSignedHeaders[http.CanonicalHeaderKey(header)] = r.TransferEncoding
		case "content-length":

	receivedCount      MetricName = "received_count"
	sentCount          MetricName = "sent_count"
	currTransferRate   MetricName = "current_transfer_rate"
	avgTransferRate    MetricName = "average_transfer_rate"
	maxTransferRate    MetricName = "max_transfer_rate"
	credentialErrors   MetricName = "credential_errors"

	currLinkLatency MetricName = "current_link_latency_ms"

	if err != nil {
		return nil, err
	}

	_, err = obj.Stat()
	if err != nil {
		return nil, err
	}

	return obj, nil
}

// TransferError will catch network errors during transfer.
// When TransferError() is called Close() will also
// be called, so we do not need to Wait() here.
func (w *writerAt) TransferError(err error) {
	_ = w.w.CloseWithError(err)
	_ = w.r.CloseWithError(err)