private SystemHelper systemHelper;

    @Resource
    protected FessConfig fessConfig;

    public void deleteBefore(final int days) {
        searchLogBhv.queryDelete(cb -> {
            cb.query().setRequestedAt_LessEqual(systemHelper.getCurrentTimeAsLocalDateTime().minusDays(days));
        });
    }

    public List<?> getSearchLogList(final SearchLogPager pager) {
        final EsPagingResultBean<?> list;

        if (opLambda != null) {
            opLambda.callback(builder);
        }
    }

    public void setRequestedAt_LessEqual(LocalDateTime requestedAt) {
        setRequestedAt_LessEqual(requestedAt, null);
    }

    public void setRequestedAt_LessEqual(LocalDateTime requestedAt, ConditionOptionCall<RangeQueryBuilder> opLambda) {

        if (opLambda != null) {
            opLambda.callback(builder);
        }
    }

    public void setRequestedAt_LessEqual(LocalDateTime requestedAt) {
        setRequestedAt_LessEqual(requestedAt, null);
    }

    public void setRequestedAt_LessEqual(LocalDateTime requestedAt, ConditionOptionCall<RangeQueryBuilder> opLambda) {