// null -> no mix-in annotations
AnnotatedClass ac = AnnotatedClass.construct(NumberBean.class, new JacksonAnnotationIntrospector(), null);
ac.resolveMemberMethods(BasicClassIntrospector.SetterMethodFilter.instance);
assertEquals(1, ac.getMemberMethodCount());
Iterator<AnnotatedMethod> it = ac.memberMethods().iterator();
AnnotatedMethod am = it.next();
assertEquals("setX", am.getName());
// should be one from sub-class
assertEquals(NumberBean.class, am.getDeclaringClass());