epr.setReferenceParameters(referenceValues);
mIHeaders.setFrom(epr);
epr = new EndpointReference("http://www.to.org/service/");
referenceValues = new AnyContentType();
referenceValues.addReferenceValue(
new QName("http://reference.org", "Reference4", "myRef"),
"Value 400");
referenceValues.addReferenceValue(
new QName("http://reference.org", "Reference3", "myRef"),
"Value 300");