type t
(** A lookup table for utilities *)

val empty : t
(** The empty table *)

val add : utility:string -> loc:string -> t -> t
(** [add ~utility ~loc t] adds the [utility] with [loc] location. *)

val lookup : utility:string -> t -> string option
(** [lookup ~utility t] will try to find [utility] in [t]. *)

val pp : t Fmt.t
(** A pretty printer *)