} else {
            putResultDataBody(dataMap, fessConfig.getIndexFieldDigest(),
                    documentHelper.getDigest(responseData, body, dataMap, fessConfig.getCrawlerDocumentHtmlMaxDigestLengthAsInteger()));
        }
        // segment
        putResultDataBody(dataMap, fessConfig.getIndexFieldSegment(), sessionId);
        // host

     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     * @throws NumberFormatException When the property is not integer.
     */
    Integer getCrawlerDocumentHtmlMaxDigestLengthAsInteger();

    /**
     * Get the value for the key 'crawler.document.html.default.lang'. <br>
     * The value is, e.g.  <br>
     * comment: Default language for HTML documents.