switch (method.getParameterTypes().length) {
      case 0:
        assertFalse(desc, isGuarded(method));
        assertFalse(desc, isTimed(method));
        break;
      case 1:
        if (isDurationBased(method)) {
          assertFalse(desc, isGuarded(method));
        } else {
          assertTrue(desc, isGuarded(method));
        }