}
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        langFields = fessConfig.getIndexerLanguageFieldsAsArray();
        supportedLanguages = fessConfig.getSupportedLanguagesAsArray();
        maxTextLength = fessConfig.getIndexerLanguageDetectLengthAsInteger();
    }

    public void updateDocument(final Map<String, Object> doc) {

        }
        updateSystemProperties();
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        filterPathEncoding = fessConfig.getPathEncoding();
        supportedLanguages = fessConfig.getSupportedLanguagesAsArray();
        langItemsCache = CacheBuilder.newBuilder().maximumSize(20).expireAfterAccess(1, TimeUnit.HOURS)
                .build(new CacheLoader<String, List<Map<String, String>>>() {
                    @Override

            propMap.put(SMB_AVAILABLE_SID_TYPES, params);
        }
        return params.get(sidType);
    }

    String getSupportedLanguages();

    default String[] getSupportedLanguagesAsArray() {
        return split(getSupportedLanguages(), ",").get(stream -> stream.filter(StringUtil::isNotBlank).toArray(n -> new String[n]));
    }

    String getOnlineHelpSupportedLangs();