private static final String DELAYED_UNASSIGNED_SHARDS = "delayed_unassigned_shards";
    private static final String TASK_MAX_WAIT_TIME_IN_QUEUE_IN_MILLIS = "task_max_waiting_in_queue_millis";
    private static final String ACTIVE_SHARDS_PERCENT_AS_NUMBER = "active_shards_percent_as_number";
    private static final String ACTIVE_PRIMARY_SHARDS = "active_primary_shards";

    }

    @Override
    protected String asEsIndex() {
        return "fess_config.thumbnail_queue";
    }

    @Override
    public String asEsIndexType() {
        return "thumbnail_queue";
    }

    @Override
    public String asEsSearchType() {
        return "thumbnail_queue";
    }

    @Override
    public ThumbnailQueueDbm asDBMeta() {
        return ThumbnailQueueDbm.getInstance();

    @Override
    public ThumbnailQueueDbm asDBMeta() {
        return ThumbnailQueueDbm.getInstance();
    }

    @Override
    public String asTableDbName() {
        return "thumbnail_queue";
    }

    // ===================================================================================
    //                                                                              Source

                "fess_config.request_header", //
                "fess_config.role_type", //
                "fess_config.scheduled_job", //
                "fess_config.thumbnail_queue", //
                "fess_config.web_authentication", //
                "fess_config.web_config", //
                "fess_user.group", //
                "fess_user.role", //
                "fess_user.user", //

            urlFilterService.delete(sid);
        } catch (final Exception e) {
            logger.warn("Failed to delete UrlFilter for {}", sid, e);
        }

        try {
            // clear queue
            urlQueueService.clearCache();
            urlQueueService.delete(sid);
        } catch (final Exception e) {
            logger.warn("Failed to delete UrlQueue for {}", sid, e);
        }

            final Queue<SearchLog> queue = searchLogQueue;
            searchLogQueue = new ConcurrentLinkedQueue<>();
            processSearchLogQueue(queue);
        }

        if (!clickLogQueue.isEmpty()) {
            final Queue<ClickLog> queue = clickLogQueue;
            clickLogQueue = new ConcurrentLinkedQueue<>();
            processClickLogQueue(queue);
        }
    }

    protected String transformation = RSA;

    protected String key;

    protected String charsetName = CoreLibConstants.UTF_8;

    protected Queue<Cipher> encryptoQueue = new ConcurrentLinkedQueue<>();

    protected Queue<Cipher> decryptoQueue = new ConcurrentLinkedQueue<>();

    public byte[] encrypto(final byte[] data) {
        final Cipher cipher = pollEncryptoCipher();
        byte[] encrypted;

    @Override
    public ThumbnailQueueDbm asDBMeta() {
        return ThumbnailQueueDbm.getInstance();
    }

    @Override
    public String asTableDbName() {
        return "thumbnail_queue";
    }

    @Override
    public boolean hasSpecifiedColumn() {
        return _specification != null;
    }

    @Override
    public ConditionQuery localCQ() {
        return doGetConditionQuery();

            if (!cleanup) {
                return executorService.submit(() -> process(fessConfig, entity));
            }
            if (logger.isDebugEnabled()) {
                logger.debug("Removing thumbnail queue: {}", entity);
            }
            return null;
        }).filter(f -> f != null).forEach(f -> {
            try {
                f.get();
            } catch (final Exception e) {

    //                                                                          ==========
    protected final String _tableDbName = "thumbnail_queue";
    protected final String _tableDispName = "thumbnail_queue";
    protected final String _tablePropertyName = "ThumbnailQueue";

    public String getTableDbName() {
        return _tableDbName;
    }

    @Override