NumberService numService = new NumberService();
ServiceImpl serviceImpl = ServiceDelegateAccessor.get(numService);
Number num = (Number)serviceImpl.getPort(numberTwoRef, Number.class);
assertTrue("20 is even", num.isEven().isEven());
w3cEpr = factory.create("23");
EndpointReferenceType numberTwentyThreeRef = VersionTransformer.convertToInternal(w3cEpr);
num = (Number)serviceImpl.getPort(numberTwentyThreeRef, Number.class);
assertTrue("23 is not even", !num.isEven().isEven());
}