"SecureTransport":  {strconv.FormatBool(r.TLS != nil)},
		"SourceIp":         {handlers.GetSourceIPRaw(r)},
		"UserAgent":        {r.UserAgent()},
		"Referer":          {r.Referer()},
		"principaltype":    {principalType},
		"userid":           {username},
		"username":         {username},
		"versionid":        {vid},
		"signatureversion": {signatureVersion},

            doColumn("queryPageSize");
        }

        public void columnQueryTime() {
            doColumn("queryTime");
        }

        public void columnReferer() {
            doColumn("referer");
        }

        public void columnRequestedAt() {
            doColumn("requestedAt");
        }

        public void columnResponseTime() {
            doColumn("responseTime");
        }

  public static final String RANGE = "Range";

  /** The HTTP {@code Referer} header field name. */
  public static final String REFERER = "Referer";

  /**
   * The HTTP <a href="https://www.w3.org/TR/referrer-policy/">{@code Referrer-Policy}</a> header
   * field name.
   *
   * @since 23.4
   */
  public static final String REFERRER_POLICY = "Referrer-Policy";

  /**

        final FessConfig fessConfig = ComponentUtil.getFessConfig();

        if (!fessConfig.isAcceptedSearchReferer(request.getHeader("referer"))) {
            writeJsonResponse(HttpServletResponse.SC_BAD_REQUEST, escapeJsonKeyValue(MESSAGE_FIELD, "Referer is invalid."));
            return;
        }

        if (!fessConfig.isApiSearchScroll()) {

            return 1000;
        }

        @Override
        public String[] getSearchlogRequestHeadersAsArray() {
            return new String[] { "user-agent", "referer" };
        }

        @Override
        public boolean isLoggingSearchDocsEnabled() {
            return false;
        }

        @Override

        "2022-05-07T18:31:41Z"
      ],
      "Delimiter": [
        "/"
      ],
      "EpochTime": [
        "1651948301"
      ],
      "Prefix": [
        ""
      ],
      "Referer": [
        ""
      ],
      "SecureTransport": [
        "false"
      ],
      "SourceIp": [
        "127.0.0.1"
      ],
      "User-Agent": [

            result.setQueryPageSize(DfTypeUtil.toInteger(source.get("queryPageSize")));
            result.setQueryTime(DfTypeUtil.toLong(source.get("queryTime")));
            result.setReferer(DfTypeUtil.toString(source.get("referer")));
            result.setRequestedAt(toLocalDateTime(source.get("requestedAt")));
            result.setResponseTime(DfTypeUtil.toLong(source.get("responseTime")));
            result.setRoles(toStringArray(source.get("roles")));

        }
        if (patterns.length == 0) {
            return true;
        }

        if (referer == null) {
            return false;
        }
        return Arrays.stream(patterns).anyMatch(p -> p.matcher(referer).matches());
    }

    String getQueryHighlightContentDescriptionFields();

      Header("link", ""),
      Header("location", ""),
      Header("max-forwards", ""),
      Header("proxy-authenticate", ""),
      Header("proxy-authorization", ""),
      Header("range", ""),
      Header("referer", ""),
      Header("refresh", ""),
      Header("retry-after", ""),
      Header("server", ""),
      Header("set-cookie", ""),
      Header("strict-transport-security", ""),
      Header("transfer-encoding", ""),

                    appendJson("query-page-size", entity.getQueryPageSize(), buf).append(',');
                    appendJson("query-offset", entity.getQueryOffset(), buf).append(',');
                    appendJson("referer", entity.getReferer(), buf).append(',');
                    appendJson("languages", entity.getLanguages(), buf).append(',');
                    appendJson("roles", entity.getRoles(), buf).append(',');