GUtil.addToMap(systemProperties, jvmOptions.getMutableSystemProperties());
        return systemProperties;
    }

    public Map<String, String> getEffectiveSystemProperties() {
        Map<String, String> systemProperties = new HashMap<String, String>();
        GUtil.addToMap(systemProperties, System.getProperties());
        GUtil.addToMap(systemProperties, jvmOptions.getMutableSystemProperties());

    }

    /**
     * @return all jvm args including system properties
     */
    public List<String> getAllJvmArgs() {
        List<String> args = new ArrayList<>();
        formatSystemProperties(getMutableSystemProperties(), args);

        // We have to add these after the system properties so they can override any system properties
        // (identical properties later in the command line override earlier ones)