try (CurlResponse response = ComponentUtil.getCurlHelper().get("/_configsync/file").param("fields", "path,@timestamp")
                .param("size", ComponentUtil.getFessConfig().getPageDictionaryMaxFetchSize()).execute()) {
            final Map<String, Object> contentMap = response.getContent(OpenSearchCurl.jsonParser());
            @SuppressWarnings("unchecked")

     * The value is, e.g. 1000 <br>
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getPageDictionaryMaxFetchSize();

    /**
     * Get the value for the key 'page.dictionary.max.fetch.size' as {@link Integer}. <br>
     * The value is, e.g. 1000 <br>