for (int i = 0; i < licenses.size(); i++) {
            License license = licenses.get(i);
            properties.put("license." + i + ".name", license.getName());
            properties.put("license." + i + ".url", license.getUrl());
            properties.put("license." + i + ".comments", license.getComments());
            properties.put("license." + i + ".distribution", license.getDistribution());
        }