def is_all_field_none(self):
        """
        :rtype: bool
        """

        if self._id_ is not None:
            return False

        if self._created is not None:
            return False

        if self._updated is not None:
            return False

        if self._counter_alias is not None:
            return False

        if self._user_alias_cancelled is not None:
            return False

        if self._monetary_account_id is not None:
            return False

        if self._draft_share_invite_bank_id is not None:
            return False

        if self._share_detail is not None:
            return False

        if self._status is not None:
            return False

        if self._share_type is not None:
            return False

        if self._start_date is not None:
            return False

        if self._end_date is not None:
            return False

        if self._description is not None:
            return False

        return True