seq = buildSchemaComponentsForXPath(frag, seq, schemaForNamespace, workingSchema, properties);
frag = getTargetXPathFragment(frag);
String schemaTypeString = getSchemaTypeForElement(xmlField, mapping.getAttributeElementClass(), workingSchema);
Element element = null;
if (xmlField.usesSingleNode()) {
SimpleType st = new SimpleType();
org.eclipse.persistence.internal.oxm.schema.model.List list = new org.eclipse.persistence.internal.oxm.schema.model.List();
if (schemaTypeString == null) {
schemaTypeString = getSchemaTypeString(XMLConstants.ANY_SIMPLE_TYPE_QNAME, workingSchema);