{
    EPackage oldNoNamespacePackage = delegateXMLMap.getNoNamespacePackage();
    delegateXMLMap.setNoNamespacePackage(newNoNamespacePackage);
    if (eNotificationRequired())
      eNotify(new ENotificationImpl(this, Notification.SET, Ecore2XMLPackage.XML_MAP__NO_NAMESPACE_PACKAGE, oldNoNamespacePackage, newNoNamespacePackage));
  }