# Module Consistbl

    module Consistbl: sig .. end

    type t

    val create : unit -> t

    val clear : t -> unit

    val check : t -> string -> Digest.t -> string -> unit

    val check_noadd : t -> string -> Digest.t -> string -> unit

    val set : t -> string -> Digest.t -> string -> unit

    val source : t -> string -> string

    val extract : string list -> t -> (string * Digest.t option) list

    val filter : (string -> bool) -> t -> unit

    exception Inconsistency of string * string * string

    exception Not_available of string