static L<Method> allLiveMethods_skipOverridden_sortByNameWithinClass(O o) {

  Class c = _getClass(o);

  bool isInstance = c != o;

  new L<Method> methods;

  Set<Pair<S, L<Class>>> seenSignatures = new HashSet;

  while (c != null) {

    new L<Method> newMethods;

    for (Method m : c.getDeclaredMethods())

      if (isInstance != isStaticMethod(m)) {

        Pair<S, L<Class>> sig = pair(m.getName(), methodArgumentTypes(m));

        if (seenSignatures.add(sig))

          newMethods.add(m);

      }

    addAll(methods, sortMethodsByNameIC(newMethods));

    c = c.getSuperclass();

  }

  ret methods;

}