//
DumperOptions options = new DumperOptions();
options.setDefaultFlowStyle(FlowStyle.FLOW);
options.setPrettyFlow(true);
Yaml beanDumper = new Yaml(options);
String output = beanDumper.dump(son);
// System.out.println(output);
String etalon = Util.getLocalResource("recursive/with-children-pretty.yaml");
assertEquals(etalon, output);
TypeDescription humanDescription = new TypeDescription(Human.class);
humanDescription.putMapPropertyType("children", Human.class, Object.class);