if ($boxElement.css("display") === "none") {
              return;
            }

            if (direction === "down") {
              listSelNum++;
            } else if (direction === "up") {
              listSelNum--;
            } else {
              return;
            }

            isFocusList = true;

            if (listSelNum < 0) {

                    if (task == null) {
                        if (!taskList.isEmpty()) {
                            storeQueue(taskList);
                        }
                    } else if (!taskList.contains(task)) {
                        taskList.add(task);
                        if (taskList.size() > thumbnailTaskBulkSize) {

        FailureUrlCQ cq = new FailureUrlCQ();
        if (queryLambda != null) {
            queryLambda.callback(cq);
        }
        FilterAggregationBuilder builder = regFilterA(name, cq.getQuery());
        if (opLambda != null) {
            opLambda.callback(builder);
        }
        if (aggsLambda != null) {
            FailureUrlCA ca = new FailureUrlCA();

        RequestHeaderCQ cq = new RequestHeaderCQ();
        if (queryLambda != null) {
            queryLambda.callback(cq);
        }
        FilterAggregationBuilder builder = regFilterA(name, cq.getQuery());
        if (opLambda != null) {
            opLambda.callback(builder);
        }
        if (aggsLambda != null) {
            RequestHeaderCA ca = new RequestHeaderCA();

        if (synonymItemList == null) {
            reload(null);
        }

        if (offset >= synonymItemList.size() || offset < 0) {
            return new PagingList<>(Collections.<SynonymItem> emptyList(), offset, size, synonymItemList.size());
        }

        int toIndex = offset + size;
        if (toIndex > synonymItemList.size()) {

        }, scheduledJob -> {
            if (fessConfig.isSchedulerTarget(scheduledJob.getTarget())) {
                if (scheduledJob.isRunning()) {
                    if (logger.isDebugEnabled()) {
                        logger.debug("{} is running.", scheduledJob.getId());
                    }
                    counter.incrementAndGet();
                } else if (logger.isDebugEnabled()) {

        if (businessCategory != null) {
            addFieldToSource(sourceMap, "businessCategory", businessCategory);
        }
        if (carLicense != null) {
            addFieldToSource(sourceMap, "carLicense", carLicense);
        }
        if (city != null) {
            addFieldToSource(sourceMap, "city", city);
        }
        if (departmentNumber != null) {

        if (mustQuery.hasQueries() || shouldQuery.hasQueries() || mustNotQuery.hasQueries() || filterQuery.hasQueries()) {
            BoolQueryBuilder builder = regBoolCQ(mustQuery.getQueryBuilderList(), shouldQuery.getQueryBuilderList(),
                    mustNotQuery.getQueryBuilderList(), filterQuery.getQueryBuilderList());
            if (opLambda != null) {
                opLambda.callback(builder);

        GroupCQ cq = new GroupCQ();
        if (queryLambda != null) {
            queryLambda.callback(cq);
        }
        FilterAggregationBuilder builder = regFilterA(name, cq.getQuery());
        if (opLambda != null) {
            opLambda.callback(builder);
        }
        if (aggsLambda != null) {
            GroupCA ca = new GroupCA();
            aggsLambda.callback(ca);

            final OptionalThing<FessUserBean> userBean) {
        if (logger.isDebugEnabled()) {
            logger.debug("Send {} to the searchers.", query);
        }
        final int pageSize = params.getPageSize();
        final int startPosition = params.getStartPosition();
        if (startPosition * 2 >= windowSize) {
            int offset = params.getOffset();
            if (offset < 0) {
                offset = 0;