sig
type t
val invariant : t Core_kernel.Invariant_intf.inv
val max_num_bits : int
val create_exn : int list -> Timing_wheel_intf.S.Level_bits.t
val default : Word_size.t -> Timing_wheel_intf.S.Level_bits.t
val num_bits : Timing_wheel_intf.S.Level_bits.t -> int
val t_of_sexp : Sexplib.Sexp.t -> Timing_wheel_intf.S.Level_bits.t
val sexp_of_t : Timing_wheel_intf.S.Level_bits.t -> Sexplib.Sexp.t
end