}

            @Override
            public String getHttpProxyHost() {
                return StringUtil.EMPTY;
            }

            @Override
            public String getHttpProxyPort() {
                return StringUtil.EMPTY;
            }
        };
        ComponentUtil.setFessConfig(fessConfig);
        SystemHelper systemHelper = new SystemHelper() {
            @Override

     * comment: Port number for the HTTP proxy server (e.g., 8080).
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getHttpProxyPort();

    /**
     * Get the value for the key 'http.proxy.port' as {@link Integer}. <br>
     * The value is, e.g. 8080 <br>
     * comment: Port number for the HTTP proxy server (e.g., 8080).