Pattern.PreEnv
val sigs : t -> Kappa_site_graphs.Signature.s
val counters_info : t -> Kappa_site_graphs.Counters_info.t
val empty :
Kappa_site_graphs.Signature.s ->
Kappa_site_graphs.Counters_info.t ->
t
val debug_print : Stdlib.Format.formatter -> t -> unit