developers.put(Color.WHITE, new Developer2("Fred", "creator"));
developers.put(Color.RED, new SuperMan("Jason", "contributor", true));
developers.put(Color.BLACK, new Developer2("John", "committer"));
bean.setDevelopers(developers);
Yaml yaml = new Yaml();
String output = yaml.dumpAsMap(bean);
// System.out.println(output);
String etalon = Util.getLocalResource("examples/map-bean-13.yaml");
assertEquals(etalon, output);
// load
Yaml beanLoader = new Yaml();