* comment: Maximum number of documents for reindex operations.
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getIndexReindexMaxDocs();

    /**
     * Get the value for the key 'index.reindex.max_docs' as {@link Integer}. <br>
     * The value is, e.g.  <br>
     * comment: Maximum number of documents for reindex operations.

        final String scroll = StringUtil.isNotBlank(fessConfig.getIndexReindexScroll()) ? fessConfig.getIndexReindexScroll() : null;
        final String maxDocs = StringUtil.isNotBlank(fessConfig.getIndexReindexMaxDocs()) ? fessConfig.getIndexReindexMaxDocs() : null;
        try (CurlResponse response = ComponentUtil.getCurlHelper()
                .post("/_reindex")
                .param("refresh", refresh)