Listing.Page_id
type t
include Sexplib0.Sexpable.S with type t := t
val t_of_sexp : Sexplib0__.Sexp.t -> t
val sexp_of_t : t -> Sexplib0__.Sexp.t
include Core.Stringable with type t := t
val of_string : string -> t
val to_string : t -> string