* @return The default group list.
     */
    protected List<String> getDefaultGroupList() {
        String value = ComponentUtil.getFessConfig().getSystemProperty(ENTRAID_DEFAULT_GROUPS);
        if (StringUtil.isBlank(value)) {
            value = ComponentUtil.getFessConfig().getSystemProperty(AAD_DEFAULT_GROUPS);
        }
        if (StringUtil.isBlank(value)) {
            return Collections.emptyList();
        }

     */
    protected void sendToSlack(final CardView cardView, final SMailPostingDiscloser discloser) {
        // https://api.slack.com/messaging/webhooks#posting_with_webhooks
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final String slackWebhookUrls = fessConfig.getSlackWebhookUrls();
        if (StringUtil.isBlank(slackWebhookUrls)) {
            return;
        }
        final String body = toSlackMessage(discloser);

    /**
     * Generate the access token.
     * @return The access token.
     */
    public String generateAccessToken() {
        return RandomStringUtils.random(ComponentUtil.getFessConfig().getApiAccessTokenLengthAsInteger(), 0, 0, true, true, null, random);
    }

    /**
     * Get the access token from the request.
     * @param request The request.
     * @return The access token.
     */

     */
    @PostConstruct
    public void register() {
        final CorsHandlerFactory factory = ComponentUtil.getCorsHandlerFactory();
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        fessConfig.getApiCorsAllowOriginList().forEach(s -> factory.add(s, this));
    }

    /**
     * Processes the CORS request by adding standard CORS headers to the response.

            final FessConfig fessConfig = ComponentUtil.getFessConfig();

            String scrollId = null;
            try {
                if (logger.isDebugEnabled()) {
                    logger.debug("Query DSL: {}", searchRequestBuilder);
                }
                SearchResponse response = searchRequestBuilder.execute().actionGet(ComponentUtil.getFessConfig().getIndexSearchTimeout());

        }
        fessConfig = ComponentUtil.getFessConfig();
        dataSerializer = ComponentUtil.getComponent("dataSerializer");
    }

    /**
     * Gets the Fess configuration instance.
     *
     * @return the Fess configuration
     */
    @Override
    public FessConfig getFessConfig() {
        return fessConfig;
    }

    /**

    /**
     * Get the write call for search log ndjson.
     * @return The write call.
     */
    public static Consumer<Writer> getSearchLogNdjsonWriteCall() {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final SystemHelper systemHelper = ComponentUtil.getSystemHelper();
        final long timeout = fessConfig.getIndexBackupLogLoadTimeoutAsInteger().longValue();
        return writer -> {

            conditionMap.put(key, value + "|" + regex);
        }
    }

    @Override
    public boolean isTarget(final Map<String, Object> docMap) {
        final String thumbnailFieldName = ComponentUtil.getFessConfig().getIndexFieldThumbnail();
        if (logger.isDebugEnabled()) {
            logger.debug("[{}] thumbnail: {}", name, docMap.get(thumbnailFieldName));
        }
        if (!docMap.containsKey(thumbnailFieldName)) {

        }
        fessConfig = ComponentUtil.getFessConfig();
        dataSerializer = ComponentUtil.getComponent("dataSerializer");
    }

    /**
     * Gets the Fess configuration instance.
     *
     * @return the Fess configuration
     */
    @Override
    public FessConfig getFessConfig() {
        return fessConfig;
    }

    /**

            if (StringUtil.isNotBlank(key)) {
                queryContext.addQuery(boolQuery -> {
                    boolQuery.filter(QueryBuilders.termQuery(ComponentUtil.getFessConfig().getIndexFieldVirtualHost(), key));
                });
            }
            break;
        }
    }

    /**