}
                        contentMetaBuf.append(joinedValue.trim());
                    }
                }

                final Tuple3<String, String, String> mapping = fessConfig.getCrawlerMetadataNameMapping(key);
                if (mapping != null) {
                    if (Constants.MAPPING_TYPE_ARRAY.equalsIgnoreCase(mapping.getValue2())) {
                        dataMap.put(mapping.getValue1(), values);

        }
        return !stream(patterns).get(stream -> stream.anyMatch(p -> p.matcher(name).matches()));
    }

    String getCrawlerMetadataNameMapping();

    default Tuple3<String, String, String> getCrawlerMetadataNameMapping(final String name) {
        @SuppressWarnings("unchecked")
        Map<String, Tuple3<String, String, String>> params =

     * Title=title:string<br>
     * dc:title=title:string<br>
     *  <br>
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getCrawlerMetadataNameMapping();

    /**
     * Get the value for the key 'crawler.document.html.content.xpath'. <br>
     * The value is, e.g. //BODY <br>
     * comment: html