include sig ... end
val arbitrary : unit -> 'aval pretty : unit -> t -> Printable.Pretty.docval name : unit -> stringval bot : unit -> [> `Bot ]val is_bot : [> `Bot ] -> boolval top : unit -> [> `Top ]val is_top : [> `Top ] -> boolval pretty_diff : unit -> (t * t) -> Lattice.Pretty.docval create_protecting : 'a -> [> `Lifted1 of 'a ]val create_protected : 'a -> [> `Lifted2 of 'a ]