val equal : t -> t -> Ppx_deriving_runtime.bool
val compare : t -> t -> Ppx_deriving_runtime.int
val name : unit -> string
val arbitrary : unit -> (Mval.t * RW.t) QCheck.arbitrary
val pretty : unit -> (Mval.t * bool) -> Printable.Pretty.doc
val printXml : 'a BatInnerIO.output -> t -> unit
val to_yojson : t -> [> `String of string ]