code: def UpdateFlows(self,
                    client_id_flow_id_pairs,
                    pending_termination=db.Database.unchanged):
      
      for client_id, flow_id in client_id_flow_id_pairs:
        try:
          self.UpdateFlow(
              client_id, flow_id, pending_termination=pending_termination)
        except db.UnknownFlowError:
          pass
docs: Updates flow objects in the database.