* @return The attribute.
     */
    public abstract Object getAttribute(String name);

    /**
     * Returns the locale.
     *
     * @return The locale.
     */
    public abstract Locale getLocale();

    /**
     * Returns the search request type.
     *
     * @return The search request type.
     */
    public abstract SearchRequestType getType();

    /**

                return Collections.singleton("highlight query");
            }
            return null;
        }

        @Override
        public Locale getLocale() {
            return locale;
        }

        @Override
        public SearchRequestType getType() {
            return type;
        }

        @Override

     * @return localized message or default value
     */
    public static String getMessage(final String key, final String defaultValue) {
        final Locale locale = LaRequestUtil.getOptionalRequest().map(HttpServletRequest::getLocale).orElse(Locale.ROOT);
        return ComponentUtil.getMessageManager().findMessage(locale, key).orElse(defaultValue);
    }

    /**

            validationMessagesLambda.message(messages);
            message = ComponentUtil.getMessageManager()
                    .toMessageList(LaRequestUtil.getOptionalRequest().map(HttpServletRequest::getLocale).orElse(Locale.ENGLISH), messages)
                    .stream()
                    .collect(Collectors.joining(" "));
            return this;
        }
    }

    /**

            return null;
        }

        @Override
        public Object getAttribute(String name) {
            return null;
        }

        @Override
        public Locale getLocale() {
            return null;
        }

        @Override
        public SearchRequestType getType() {
            return null;
        }

        @Override

            data.setAppendHighlightParams(buf.toString());
        }

        queryResponseList.setExecTime(systemHelper.getCurrentTimeAsLong() - startTime);
        final NumberFormat nf = NumberFormat.getInstance(params.getLocale());
        nf.setMaximumIntegerDigits(2);
        nf.setMaximumFractionDigits(2);
        String execTime;
        try {
            execTime = nf.format((double) queryResponseList.getExecTime() / 1000);

    }

    public void test_getForumLink() {
        getMockRequest().setLocale(Locale.ENGLISH);
        assertEquals("https://discuss.codelibs.org/c/FessEN/", systemHelper.getForumLink());
        getMockRequest().setLocale(Locale.JAPANESE);
        assertEquals("https://discuss.codelibs.org/c/FessJA/", systemHelper.getForumLink());
        getMockRequest().setLocale(Locale.ITALIAN);

    protected OptionalThing<String[]> getQueryLanguages() {
        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.

,"dd","w","ww","M","MM","yy","meridiemParse","locales","localeFamilies","normalizeLocale","chooseLocale","names","j","next","loadLocale","arr1","arr2","minl","commonPrefix","oldLocale","_abbr","require","getSetGlobalLocale","e","values","data","getLocale","defineLocale","abbr","_config","parentLocale","forEach","checkOverflow","_a","_overflowDayOfYear","_overflowWeeks","_overflowWeekday","extendedIsoRegex","basicIsoRegex","tzRegex","isoDates","isoTimes","aspNetJsonRegex","obsOffsets","UT","GMT",...