def save_last_sync(self, ids, process):
        try:
            spec = {'_id': 'last_sync'}
            document = {'$set': {process: ids}}
            self.db.internal.update(spec, document, upsert=True)
        except Exception as e:
            raise DatabaseException(e)
def process_update_types(self) -> list:
        """
        You need to override this method and return any update types which you want to be processed
        """
        raise NotImplementedError