assertTrue(delegate.isFinal());
    assertFalse(delegate.isOverridable());
    assertFalse(delegate.isVarArgs());
  }

  static class Foo {}

  public void testConstructor_isOverridable() throws Exception {
    Invokable<?, ?> delegate = Invokable.from(Foo.class.getDeclaredConstructor());
    assertFalse(delegate.isOverridable());
    assertFalse(delegate.isVarArgs());
  }