WriteCenteredD.Pinclude sig ... endtype key = Basetype.Variables.ttype value = Locksets.MinLocksets.tval cardinal : t -> intval empty : unit -> tval is_empty : t -> boolval hash : t -> intval show : t -> stringval pretty : unit -> t -> Printable.Pretty.docval printXml : 'a BatInnerIO.output -> t -> unitval to_yojson : t -> Yojson.Safe.tval tag : t -> intval arbitrary : unit -> t QCheck.arbitraryval pretty_diff : unit -> (t * t) -> Lattice.Pretty.docval bot : unit -> tval is_bot : t -> boolval top : unit -> tval is_top : t -> bool