docs: public NotificationChain basicSetType(TypeRef newType, NotificationChain msgs) {
  		TypeRef oldType = type;
  		type = newType;
  		if (eNotificationRequired()) {
  			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, XtextPackage.ACTION__TYPE, oldType, newType);
  			if (msgs == null) msgs = notification; else msgs.add(notification);
  		}
  		return msgs;
  	}