String INDEX_DOCUMENT_CRAWLER_QUEUE_number_of_shards = "index.document.crawler.queue.number_of_shards";

    /** The key of the configuration. e.g. 10 */
    String INDEX_DOCUMENT_CRAWLER_DATA_number_of_shards = "index.document.crawler.data.number_of_shards";

    /** The key of the configuration. e.g. 10 */
    String INDEX_DOCUMENT_CRAWLER_FILTER_number_of_shards = "index.document.crawler.filter.number_of_shards";

                .replaceAll(Pattern.quote("${fess.index.codec}"), fessConfig.getIndexCodec())//
                .replaceAll(Pattern.quote("${fess.index.number_of_shards}"), numberOfShards)//
                .replaceAll(Pattern.quote("${fess.index.auto_expand_replicas}"), autoExpandReplicas);
        for (final UnaryOperator<String> rule : docSettingRewriteRuleList) {

    /** The key of the message: The number of shards */
    public static final String LABELS_number_of_shards_for_doc = "{labels.number_of_shards_for_doc}";

    /** The key of the message: Auto expand replicas */
    public static final String LABELS_auto_expand_replicas_for_doc = "{labels.auto_expand_replicas_for_doc}";

            final String autoExpandReplicas) {
        final String docIndex = "fess";
        final String fromIndex = fessConfig.getIndexDocumentUpdateIndex();
        final String toIndex = docIndex + "." + new SimpleDateFormat("yyyyMMddHHmm").format(new Date());
        if (searchEngineClient.createIndex(docIndex, toIndex, numberOfShards, autoExpandReplicas, resetDictionaries)) {