final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final QueryBuilder queryBuilder = QueryBuilders.termQuery(fessConfig.getIndexFieldSegment(), sessionId);
        return deleteByQueryBuilder(searchEngineClient, index, queryBuilder);
    }

    public long deleteByConfigId(final String configId) {

        if (documentExpires != null) {
            putResultDataBody(dataMap, fessConfig.getIndexFieldExpires(), documentExpires);
        }
        // segment
        putResultDataBody(dataMap, fessConfig.getIndexFieldSegment(), sessionId);
        // content
        final StringBuilder buf = new StringBuilder(content.length() + 1000);
        if (fessConfig.isCrawlerDocumentFileAppendBodyContent()) {
            buf.append(content);

                    documentHelper.getDigest(responseData, body, dataMap, fessConfig.getCrawlerDocumentHtmlMaxDigestLengthAsInteger()));
        }
        // segment
        putResultDataBody(dataMap, fessConfig.getIndexFieldSegment(), sessionId);
        // host
        putResultDataBody(dataMap, fessConfig.getIndexFieldHost(), getHost(url));
        // site

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

    /**
     * Get the value for the key 'index.field.role'. <br>
     * The value is, e.g. role <br>
     * @return The value of found property. (NotNull: if not found, exception but basically no way)