Pattern.EnvSourcetype transition = private {next : Kappa_site_graphs.Navigation.abstract Kappa_site_graphs.Navigation.t;dst : id;id of cc and also address in the Env.domain map
*)inj : Kappa_data_structures.Renaming.t;From dst To ("this" cc + extra edge)
*)}val get_elementary :
debug_mode:bool ->
t ->
Kappa_site_graphs.Agent.t ->
int ->
Kappa_site_graphs.Navigation.abstract Kappa_site_graphs.Navigation.arrow ->
(id * point * Kappa_data_structures.Renaming.t) option