sig
type script = NoScript | Script of string | Deprecated of string
val pp_script_for : Stdlib.Format.formatter -> Wpo.t -> unit
val get : Wpo.t -> ProofSession.script
val exists : Wpo.t -> bool
val save : stdout:bool -> Wpo.t -> Json.t -> unit
val load : Wpo.t -> Json.t
val remove : Wpo.t -> unit
end