List flows that ran on this client.

def ListFlows(self):
    """List flows that ran on this client."""

    args = flow_pb2.ApiListFlowsArgs(client_id=self.client_id)

    items = self._context.SendIteratorRequest("ListFlows", args)
    return utils.MapItemsIterator(
        lambda data: flow.Flow(data=data, context=self._context), items)