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

        @Override
        public String[] getSupportedLanguagesAsArray() {
            return new String[] { "ja", "en", "zh", "ko" };
        }

        @Override
        public Integer getIndexerLanguageDetectLengthAsInteger() {
            return 1000;
        }

        }
        updateSystemProperties();
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        filterPathEncoding = fessConfig.getPathEncoding();
        supportedLanguages = fessConfig.getSupportedLanguagesAsArray();
        langItemsCache = CacheBuilder.newBuilder()
                .maximumSize(20)
                .expireAfterAccess(1, TimeUnit.HOURS)