static Method findMethod_cached(O o, S method, O... args) ctex {
  if (o == null) null;
  if (o cast Class) {
    _MethodCache cache = callOpt_getCache(o);
    L<Method> methods = cache.cache.get(method);
    if (methods != null) for (Method m : methods)
      if (isStaticMethod(m) && findMethod_checkArgs(m, args, false))
        ret m;
    null;
  } else {
    _MethodCache cache = callOpt_getCache(o.getClass());
    L<Method> methods = cache.cache.get(method);
    if (methods != null) for (Method m : methods)
      if (findMethod_checkArgs(m, args, false))
        ret m;
    null;
  }
}