W3CEndpointReference w3cEpr = factory.create("20");
EndpointReferenceType numberTwoRef = ProviderImpl.convertToInternal(w3cEpr);
assertNotNull("reference", numberTwoRef);
// use getPort with epr api on service
NumberService numService = new NumberService();
ServiceImpl serviceImpl = ServiceDelegateAccessor.get(numService);
Number num = serviceImpl.getPort(numberTwoRef, Number.class);
assertTrue("20 is even", num.isEven().isEven());
w3cEpr = factory.create("23");