Definition qsend_trans :=
SendTrans send_safe_coh send_safe_in send_safe_def send_step_coh.
End GenericQuerySendTransitions.
Definition send_req_prec (q : qstate) (to : nid) (payload : seq nat) :=
payload = [::(fresh_id q.1)].

Lemma send_resp_prec_safe : prec_safe tresp send_resp_prec.
Definition qsend_req  := qsend_trans send_req_prec_safe.