logger.debug("Initialize {}", this.getClass().getSimpleName());
        }
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        langFields = fessConfig.getIndexerLanguageFieldsAsArray();
        supportedLanguages = fessConfig.getSupportedLanguagesAsArray();
        maxTextLength = fessConfig.getIndexerLanguageDetectLengthAsInteger();
    }

    /**

    }

    // Mock classes
    private static class MockFessConfig extends FessConfig.SimpleImpl {
        private static final long serialVersionUID = 1L;

        @Override
        public String[] getIndexerLanguageFieldsAsArray() {
            return new String[] { "title", "content" };
        }

        @Override
        public String[] getSupportedLanguagesAsArray() {

            propMap.put(CORS_ALLOW_ORIGIN, list);
        }
        return list;
    }

    String getIndexerLanguageFields();

    default String[] getIndexerLanguageFieldsAsArray() {
        return split(getIndexerLanguageFields(), ",").get(stream -> stream.map(String::trim).toArray(n -> new String[n]));

    }

    String getSessionTrackingModes();