immutableSystemProperties.put(USER_VARIANT_KEY, DEFAULT_LOCALE.getVariant());
    }

    public JvmOptions(FileCollectionFactory fileCollectionFactory) {
        this(fileCollectionFactory, new DefaultJavaDebugOptions());
    }

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