public Iterator<File> iterator() {
        return getFiles().iterator();
    }

    @Override
    public String getAsPath() {
        showGetAsPathDeprecationWarning();
        return GUtil.asPath(this);
    }

    private void showGetAsPathDeprecationWarning() {
        List<String> filesAsPaths = this.getFiles().stream()
            .map(File::getPath)
            .filter(path -> path.contains(File.pathSeparator))