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

     * Get the value for the key 'path.encoding'. <br>
     * The value is, e.g. UTF-8 <br>
     * @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>
     * @return The value of found property. (NotNull: if not found, exception but basically no way)