final String content = documentHelper.getContent(crawlingConfig, responseData, body, dataMap);
        if (StringUtil.isNotBlank(fileName) && fessConfig.isCrawlerDocumentAppendFilename()) {
            putResultDataBody(dataMap, fessConfig.getIndexFieldContent(), content + " " + fileName);
        } else {
            putResultDataBody(dataMap, fessConfig.getIndexFieldContent(), content);

     * The value is, e.g. false <br>
     * comment: Whether to append filename to documents.
     * @return The determination, true or false. (if not found, exception but basically no way)
     */
    boolean isCrawlerDocumentAppendFilename();

    /**
     * Get the value for the key 'crawler.document.max.alphanum.term.size'. <br>
     * The value is, e.g. 20 <br>
     * comment: Maximum size of alphanumeric terms in documents.