* instead
*/
public static IObservableMap observeDetailMap(Realm realm,
IObservableValue master, String propertyName) {
BeansObservables.warnIfDifferentRealms(realm, master.getRealm());
IObservableMap observableMap = MasterDetailObservables.detailMap(
master, PojoProperties.map(propertyName).mapFactory(realm));
return new BeanObservableMapDecorator(observableMap, BeanPropertyHelper
.getValueTypePropertyDescriptor(master, propertyName));
}