/** Paging query list parameter name. */
    public static final String PAGING_QUERY_LIST = "pagingQueryList";

    /** Request languages parameter name. */
    public static final String REQUEST_LANGUAGES = "requestLanguages";

    /** Request page size parameter name. */
    public static final String REQUEST_PAGE_SIZE = "requestPageSize";

    /** Search preference for local node. */

        return LaRequestUtil.getOptionalRequest()
                .map(request -> ComponentUtil.getFessConfig()
                        .getQueryLanguages(request.getLocales(), (String[]) request.getAttribute(Constants.REQUEST_LANGUAGES)));
    }

    /**
     * Builds a default query builder with configured fields and boost values.
     * @param fessConfig The Fess configuration.
     * @param context The query context.

        final SearchRequestParams params = rewrite(searchRequestParams);

        LaRequestUtil.getOptionalRequest().ifPresent(request -> {
            request.setAttribute(Constants.REQUEST_LANGUAGES, params.getLanguages());
            request.setAttribute(Constants.REQUEST_QUERIES, params.getQuery());
        });

            } else {
                searchLog.setAccessType(Constants.SEARCH_LOG_ACCESS_TYPE_WEB);
            }
            final Object languages = req.getAttribute(Constants.REQUEST_LANGUAGES);
            if (languages != null) {
                searchLog.setLanguages(StringUtils.join((String[]) languages, ","));
            } else {
                searchLog.setLanguages(StringUtil.EMPTY);