need := len(buf)         // number of bytes requested by caller
	hdr := r.opts.HeaderSize // remaining header bytes
	var tokens int           // number of tokens to request

	if hdr > 0 { // available tokens go towards header first
		if hdr < b { // all of header can be accommodated
			r.opts.HeaderSize = 0
			need = int(math.Min(float64(b-hdr), float64(need))) // use remaining tokens towards payload

		flusher.Flush()
	}
}

// Size - returns  the number of bytes written
func (lrw *ResponseRecorder) Size() int {
	return lrw.bytesWritten
}

// HeaderSize - returns the number of bytes of response headers written
func (lrw *ResponseRecorder) HeaderSize() int {
	return lrw.headerBytesWritten

		if ok {
			statusCode = tc.ResponseRecorder.StatusCode
			outputBytes = int64(tc.ResponseRecorder.Size())
			headerBytes = int64(tc.ResponseRecorder.HeaderSize())
			timeToResponse = time.Now().UTC().Sub(tc.ResponseRecorder.StartTime)
			timeToFirstByte = tc.ResponseRecorder.TTFB()
		}

		entry.AccessKey = reqInfo.Cred.AccessKey

			Host:       globalLocalNodeName,
		})
		return
	}

	var headerSize int
	for k, v := range putOpts.Header() {
		headerSize += len(k) + len(v)
	}

	opts := &bandwidth.MonitorReaderOptions{
		BucketOptions: bandwidth.BucketOptions{
			Name:           ri.Bucket,
			ReplicationARN: tgt.ARN,
		},
		HeaderSize: headerSize,
	}
	newCtx := ctx