static Method findInstanceMethod(Class c, String method, Object[] args) {
  Class _c = c;
  while (c != null) {
    for (Method m : c.getDeclaredMethods()) {
      if (!m.getName().equals(method)) continue;
      if (!findMethod_checkArgs(m, args, false)) continue;
      ret m;
    }
    c = c.getSuperclass();
  }
  return null;
}