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());

        systemProperties(currentProcessJvmOptions.getImmutableSystemProperties());
        handleDaemonImmutableProperties(currentProcessJvmOptions.getMutableSystemProperties());
    }

    private void handleDaemonImmutableProperties(Map<String, Object> systemProperties) {
        for (Map.Entry<String, ?> entry : systemProperties.entrySet()) {

    def "understands quoted system properties and jvm opts"() {
        expect:
        parse("  -Dfoo=\" hey man! \"  ").getMutableSystemProperties().get("foo") == " hey man! "
    }

    def "understands 'empty' system properties and jvm opts"() {
        expect:
        parse("-Dfoo= -Dbar -Dbaz=\"\"").getMutableSystemProperties() == [foo: '', bar: '', baz: '']
        parse("-XXfoo=").allJvmArgs.contains('-XXfoo=')

    }

    /**
     * @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)

        }
        return jvmArgumentProviders;
    }

    @Override
    public Map<String, Object> getSystemProperties() {
        return options.getMutableSystemProperties();
    }

    @Override
    public void setSystemProperties(Map<String, ?> properties) {
        options.setSystemProperties(properties);
    }

    @Override