def METHOD_NAME(self) -> None:
    self._id: Attribute[str] = NotSet
    self._last_read_at: Attribute[datetime] = NotSet
    self._repository: Attribute[github.Repository.Repository] = NotSet
    self._subject: Attribute[github.NotificationSubject.NotificationSubject] = NotSet
    self._reason: Attribute[str] = NotSet
    self._subscription_url: Attribute[str] = NotSet
    self._unread: Attribute[bool] = NotSet
    self._updated_at: Attribute[datetime] = NotSet
    self._url: Attribute[str] = NotSet