super(wrapped);
    }
  }

  static class InstantiableConstructorChosen {
    final String name;

    public InstantiableConstructorChosen(String name) {
      checkNotNull(name);
      this.name = "good";
    }

    public InstantiableConstructorChosen(NotInstantiable x) {
      checkNotNull(x);
      this.name = "x1";
    }