excludedUrls = fessConfig.getCrawlerDocumentHtmlDefaultExcludeIndexPatterns();
        includedDocUrls = fessConfig.getCrawlerDocumentHtmlDefaultIncludeSearchPatterns();
        excludedDocUrls = fessConfig.getCrawlerDocumentHtmlDefaultExcludeSearchPatterns();
        boost = 1.0f;
        if (StringUtil.isBlank(userAgent)) {
            userAgent = fessConfig.getUserAgentName();
        }
        numOfThread = Constants.DEFAULT_NUM_OF_THREAD_FOR_WEB;

     * comment: Patterns to exclude for HTML search processing.
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getCrawlerDocumentHtmlDefaultExcludeSearchPatterns();

    /**
     * Get the value for the key 'crawler.document.html.default.exclude.search.patterns' as {@link Integer}. <br>
     * The value is, e.g.  <br>