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

     * The value is, e.g. UTF-8 <br>
     * comment: Encoding for file paths.
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getPathEncoding();

    /**
     * Get the value for the key 'use.own.tmp.dir'. <br>
     * The value is, e.g. true <br>
     * comment: Whether to use a dedicated temporary directory.