// - find the SDOWrapperType from TypeHelper's WrappersHashMap
// - add the descriptor to XMLContext's DescriptorsByQName map
// See also: SDOTypesGenerator:addRootElementToDescriptor
SDOTypeHelper typeHelper = (SDOTypeHelper) aHelperContext.getTypeHelper();
SDOWrapperType wrapperType = (SDOWrapperType) typeHelper.getWrappersHashMap().get(((SDOProperty)property).getType().getQName());
if (wrapperType != null) {
QName descriptorQname = new QName(propertyUri, propertyName);
((SDOXMLHelper) aHelperContext.getXMLHelper()).getXmlContext().addDescriptorByQName(descriptorQname, wrapperType.getXmlDescriptor(((SDOProperty)property).getXsdType()));
}