`sig
type t
val default : Core_random.State.t
val make : int array -> Core_random.State.t
val make_self_init : unit -> Core_random.State.t
val copy : Core_random.State.t -> Core_random.State.t
val bits : Core_random.State.t -> int
val int : Core_random.State.t -> int -> int
val int32 : Core_random.State.t -> Int32.t -> Int32.t
val nativeint : Core_random.State.t -> Nativeint.t -> Nativeint.t
val int64 : Core_random.State.t -> Int64.t -> Int64.t
val float : Core_random.State.t -> float -> float
val bool : Core_random.State.t -> bool
end`