Invokable<?, ?> delegate = Prepender.method("prepend", Iterable.class);
    assertThat(delegate.getTypeParameters()).isEmpty();
  }

  public void testInstanceMethod_parameters() throws Exception {
    Invokable<?, ?> delegate = Prepender.method("prepend", Iterable.class);
    ImmutableList<Parameter> parameters = delegate.getParameters();
    assertEquals(1, parameters.size());