return delegate.nonChainingCall();
    }

    @Override
    public String toString() {
      return delegate.toString();
    }
  }

  public void testChainingCalls() {
    tester.testForwarding(
        ChainingCalls.class,
        new Function<ChainingCalls, ChainingCalls>() {
          @Override
          public ChainingCalls apply(ChainingCalls delegate) {