writer.println("    <UML:Model xmi.id='" +nextUID()+ " name='" +domain+ "'>");
writer.println("    <UML:Model xmi.id='" +nextUID()+ "' name='" +domain+ "'>");
    private void writeContentStart() {	writer.println("  <XMI.content>");	writer.println("    <UML:Model xmi.id='" +nextUID()+ " name='" +domain+ "'>");	writer.println("      <UML:Namespace.ownedElement>");    }