* Properties starting with the Fess system property prefix are included.
     *
     * @param cmdList the command list to add properties to
     */
    protected void addFessSystemProperties(final List<String> cmdList) {
        System.getProperties()
                .keySet()
                .stream()
                .filter(k -> k != null && k.toString().startsWith(Constants.SYSTEM_PROP_PREFIX))

            super.addFessConfigProperties(cmdList);
        }

        public void testAddFessSystemProperties(List<String> cmdList) {
            super.addFessSystemProperties(cmdList);
        }

        public void testAddFessCustomSystemProperties(List<String> cmdList, String regex) {
            super.addFessCustomSystemProperties(cmdList, regex);
        }