@Test
  public void propertyBuilderWildcard() {
    PropertyBuilderWildcard.Builder<CharSequence> builder = PropertyBuilderWildcard.builder();
    builder.listBuilder().add("foo");
    assertThat(builder.build().list()).containsExactly("foo");
  }
Tests that an annotation on a type parameter of an {@code @AutoValue} builder is copied to the
implementation class.
value/src/it/functional/src/test/java/com/google/auto/value/AutoValueJava8Test.java