Spec.A
include sig ... end
type t = ThreadLifted.t option
val hash : t -> int
val pretty : unit -> t -> Printable.Pretty.doc
val show : ThreadLifted.t option -> string
val printXml : 'a BatInnerIO.output -> ThreadLifted.t option -> unit
val to_yojson : ThreadLifted.t option -> Yojson.Safe.t
val relift : ThreadLifted.t option -> ThreadLifted.t option