code: def bulk_country_updates(self):
          
          if self._bulk_country_updates is None:
              self._bulk_country_updates = BulkCountryUpdateList(self._version, )
          return self._bulk_country_updates
docs: Access the bulk_country_updates
  
          :returns: twilio.rest.voice.v1.dialing_permissions.bulk_country_update.BulkCountryUpdateList
          :rtype: twilio.rest.voice.v1.dialing_permissions.bulk_country_update.BulkCountryUpdateList