* If timeout is not set or is <= 0, returns null.
     *
     * @return the timeout task, or null if no timeout is configured
     */
    protected TimeoutTask createTimeoutTask() {
        if (timeout <= 0) {
            return null;
        }
        return TimeoutManager.getInstance().addTimeoutTarget(() -> {

            super.appendJarFile(cpSeparator, buf, libDir, basePath);
        }

        public TimeoutTask testCreateTimeoutTask() {
            return super.createTimeoutTask();
        }

        public void testCreateSystemProperties(List<String> cmdList, File propFile) {
            super.createSystemProperties(cmdList, propFile);
        }