NamespaceDeclaration[] namespaces;
//Description with two namespaces.
DescriptionElement descriptionElement = factory.newDescription();
descriptionElement.addNamespace(prefix1,namespace1);
descriptionElement.addNamespace(prefix2,namespace2);
//Service on description with two name spaces.
ServiceElement serviceElement = descriptionElement.addServiceElement();
serviceElement.addNamespace(prefix3, namespace3);
serviceElement.addNamespace(prefix4, namespace4);
//Endpoint on description with two namespaces