sig
type 'a t
val root : 'a QCheck2.Tree.t -> 'a
val children : 'a QCheck2.Tree.t -> 'a QCheck2.Tree.t Stdlib.Seq.t
val pp :
?depth:int ->
(Stdlib.Format.formatter -> 'a -> unit) ->
Stdlib.Format.formatter -> 'a QCheck2.Tree.t -> unit
end