public static Builder builder() {
      return new AutoValue_AutoValueJava8Test_NullablePropertyWithBuilder.Builder();
    }
Returns a set containing this test's {@link Nullable @Nullable} annotation, plus possibly
another {@code @Nullable} that is present on the parameter of {@link Object#equals}.
value/src/it/functional/src/test/java/com/google/auto/value/AutoValueJava8Test.java