# Online help key for failure URL.
online.help.name.failureurl=failureurl
# Online help key for elevate word.
online.help.name.elevateword=elevateword
# Online help key for request header.
online.help.name.reqheader=reqheader
# Online help key for synonym dictionary.
online.help.name.dict.synonym=synonym
# Online help key for dictionary.
online.help.name.dict=dict
# Online help key for Kuromoji dictionary.

    /** 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";

                if (StringUtil.isBlank(responseContentType)) {
                    response.setHeader("Content-Type", "application/json");
                } else {
                    response.setHeader("Content-Type", responseContentType);
                }
                CopyUtil.copy(in, out);
            } catch (final ClientAbortException e) {

        }
        final SearchHelper searchHelper = ComponentUtil.getSearchHelper();
        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()) {