EsStatusPostcard.droppedInto(postbox, postcard -> {
                        postcard.setFrom(fessConfig.getMailFromAddress(), fessConfig.getMailFromName());
                        postcard.addReplyTo(fessConfig.getMailReturnPath());
                        if (toAddresses.length > 0) {

        // this configuration is on fess_env.properties because this is true only when development
        direction.directDevelopmentHere(fessConfig.isDevelopmentHere());

        // titles of the application for logging are from configurations
        direction.directLoggingTitle(fessConfig.getDomainTitle(), fessConfig.getEnvironmentTitle());

        // this configuration is on sea_env.properties because it has no influence to production

        buf.append("[HOTTHREAD MONITOR] ");

        final FessConfig fessConfig = ComponentUtil.getFessConfig();

        buf.append('{');

        final boolean ignoreIdleThreads = Constants.TRUE.equalsIgnoreCase(fessConfig.getCrawlerHotthreadIgnoreIdleThreads());
        final TimeValue interval = TimeValue.parseTimeValue(fessConfig.getCrawlerHotthreadInterval(), "crawler.hotthread.interval");

        crudMode = CrudMode.CREATE;
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        includedPaths = fessConfig.getCrawlerDocumentFileDefaultIncludeIndexPatterns();
        excludedPaths = fessConfig.getCrawlerDocumentFileDefaultExcludeIndexPatterns();
        includedDocPaths = fessConfig.getCrawlerDocumentFileDefaultIncludeSearchPatterns();
        excludedDocPaths = fessConfig.getCrawlerDocumentFileDefaultExcludeSearchPatterns();

    protected BoolQueryBuilder buildDefaultQueryBuilder(final FessConfig fessConfig, final QueryContext context,
            final DefaultQueryBuilderFunction builder) {
        final BoolQueryBuilder boolQuery = QueryBuilders.boolQuery();
        boolQuery.should(builder.apply(fessConfig.getIndexFieldTitle(), fessConfig.getQueryBoostTitleAsDecimal().floatValue()));

        final FessConfig fessConfig = ComponentUtil.getFessConfig();

        final StringBuilder resultBuf = new StringBuilder();

        // clean up
        final QueryBuilder queryBuilder = QueryBuilders.rangeQuery(fessConfig.getIndexFieldExpires()).to("now");
        try {
            searchEngineClient.deleteByQuery(fessConfig.getIndexDocumentUpdateIndex(), queryBuilder);

            return buildDefaultQueryBuilder(fessConfig, context,
                    (f, b) -> QueryBuilders.fuzzyQuery(f, text).fuzziness(Fuzziness.fromEdits(fuzzyQuery.getMaxEdits())).boost(b * boost)
                            .maxExpansions(fessConfig.getQueryFuzzyExpansionsAsInteger())
                            .prefixLength(fessConfig.getQueryFuzzyPrefixLengthAsInteger())

    protected final FessConfig fessConfig;

    // ===================================================================================
    //                                                                         Constructor
    //                                                                         ===========
    public FessTimeResourceProvider(final FessConfig fessConfig) {
        this.fessConfig = fessConfig;
    }

        if (StringUtil.isNotBlank(fessConfig.getQueryFacetFieldsSize())) {
            size = fessConfig.getQueryFacetFieldsSizeAsInteger();
        }
        if (StringUtil.isNotBlank(fessConfig.getQueryFacetFieldsMinDocCount())) {
            minDocCount = Long.parseLong(fessConfig.getQueryFacetFieldsMinDocCount());
        }
        if (StringUtil.isNotBlank(fessConfig.getQueryFacetFieldsSort())) {
            sort = fessConfig.getQueryFacetFieldsSort();

        }
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        langFields = fessConfig.getIndexerLanguageFieldsAsArray();
        supportedLanguages = fessConfig.getSupportedLanguagesAsArray();
        maxTextLength = fessConfig.getIndexerLanguageDetectLengthAsInteger();
    }

    public void updateDocument(final Map<String, Object> doc) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();