// indicates all requests for this API call are inbound
		entry.Trigger = "incoming"

		for _, filterKey := range filterKeys {
			delete(entry.ReqClaims, filterKey)
			delete(entry.ReqQuery, filterKey)
			delete(entry.ReqHeader, filterKey)
			delete(entry.RespHeader, filterKey)
		}

		var (
			statusCode      int
			timeToResponse  time.Duration
			timeToFirstByte time.Duration
			outputBytes     int64 = -1 // -1: unknown output bytes

online.help.eol=https://fess.codelibs.org/{lang}/eol.html
online.help.name.failureurl=failureurl
online.help.name.elevateword=elevateword
online.help.name.reqheader=reqheader
online.help.name.dict.synonym=synonym
online.help.name.dict=dict
online.help.name.dict.kuromoji=kuromoji
online.help.name.dict.protwords=protwords
online.help.name.dict.stopwords=stopwords

    /** The key of the configuration. e.g. elevateword */
    String ONLINE_HELP_NAME_ELEVATEWORD = "online.help.name.elevateword";

    /** The key of the configuration. e.g. reqheader */
    String ONLINE_HELP_NAME_REQHEADER = "online.help.name.reqheader";

    /** The key of the configuration. e.g. synonym */
    String ONLINE_HELP_NAME_DICT_SYNONYM = "online.help.name.dict.synonym";

		// Calculate input body size with headers
		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)
		}

	hash.Write(data)
	return hash.Sum(nil)
}

// extractSignedHeaders extract signed headers from Authorization header
func extractSignedHeaders(signedHeaders []string, r *http.Request) (http.Header, APIErrorCode) {
	reqHeaders := r.Header
	reqQueries := r.Form
	// find whether "host" is part of list of signed headers.
	// if not return ErrUnsignedHeaders. "host" is mandatory.
	if !slices.Contains(signedHeaders, "host") {

		for _, p := range oi.partLengths {
			readers = append(readers, NewDummyDataGen(p, cumulativeSum))
			cumulativeSum += p
		}

		refReader := io.LimitReader(ioutilx.NewSkipReader(io.MultiReader(readers...), off), length)
		if ok, msg := cmpReaders(refReader, rec.Body); !ok {
			t.Fatalf("(%s) Object: %s Case %d ByteRange: %s --> data mismatch! (msg: %s)", instanceType, oi.objectName, i+1, byteRange, msg)
		}
	}