}

    // Good!
    static GoodEquals create(String a, int b) {
      return new GoodEquals(a, b);
    }

    // keep trying
    @Keep
    public static @Nullable GoodEquals createMayReturnNull(int a, int b) {
      return null;
    }

    @Override
    public boolean equals(@Nullable Object obj) {
      if (obj instanceof GoodEquals) {
        GoodEquals that = (GoodEquals) obj;