`sig type ('k, 'd) t val create : unit -> ('k, 'd) Ephemeron.K1.t val get_key : ('k, 'd) Ephemeron.K1.t -> 'k option val get_key_copy : ('k, 'd) Ephemeron.K1.t -> 'k option val set_key : ('k, 'd) Ephemeron.K1.t -> 'k -> unit val unset_key : ('k, 'd) Ephemeron.K1.t -> unit val check_key : ('k, 'd) Ephemeron.K1.t -> bool val blit_key : ('k, 'a) Ephemeron.K1.t -> ('k, 'b) Ephemeron.K1.t -> unit val get_data : ('k, 'd) Ephemeron.K1.t -> 'd option val get_data_copy : ('k, 'd) Ephemeron.K1.t -> 'd option val set_data : ('k, 'd) Ephemeron.K1.t -> 'd -> unit val unset_data : ('k, 'd) Ephemeron.K1.t -> unit val check_data : ('k, 'd) Ephemeron.K1.t -> bool val blit_data : ('a, 'd) Ephemeron.K1.t -> ('b, 'd) Ephemeron.K1.t -> unit module Make : functor (H : Hashtbl.HashedType) -> sig type key = H.t type 'a t val create : int -> 'a t val clear : 'a t -> unit val reset : 'a t -> unit val copy : 'a t -> 'a t val add : 'a t -> key -> 'a -> unit val remove : 'a t -> key -> unit val find : 'a t -> key -> 'a val find_all : 'a t -> key -> 'a list val replace : 'a t -> key -> 'a -> unit val mem : 'a t -> key -> bool val iter : (key -> 'a -> unit) -> 'a t -> unit val filter_map_inplace : (key -> 'a -> 'a option) -> 'a t -> unit val fold : (key -> 'a -> 'b -> 'b) -> 'a t -> 'b -> 'b val length : 'a t -> int val stats : 'a t -> Hashtbl.statistics val clean : 'a t -> unit val stats_alive : 'a t -> Hashtbl.statistics end module MakeSeeded : functor (H : Hashtbl.SeededHashedType) -> sig type key = H.t type 'a t val create : ?random:bool -> int -> 'a t val clear : 'a t -> unit val reset : 'a t -> unit val copy : 'a t -> 'a t val add : 'a t -> key -> 'a -> unit val remove : 'a t -> key -> unit val find : 'a t -> key -> 'a val find_all : 'a t -> key -> 'a list val replace : 'a t -> key -> 'a -> unit val mem : 'a t -> key -> bool val iter : (key -> 'a -> unit) -> 'a t -> unit val filter_map_inplace : (key -> 'a -> 'a option) -> 'a t -> unit val fold : (key -> 'a -> 'b -> 'b) -> 'a t -> 'b -> 'b val length : 'a t -> int val stats : 'a t -> Hashtbl.statistics val clean : 'a t -> unit val stats_alive : 'a t -> Hashtbl.statistics end end`