`functor (H : sig type t type 'a container val hash : int -> Ephemeron.GenHashTable.MakeSeeded.t -> int val equal : 'a Ephemeron.GenHashTable.MakeSeeded.container -> Ephemeron.GenHashTable.MakeSeeded.t -> Ephemeron.GenHashTable.equal val create : Ephemeron.GenHashTable.MakeSeeded.t -> 'a -> 'a Ephemeron.GenHashTable.MakeSeeded.container val get_key : 'a Ephemeron.GenHashTable.MakeSeeded.container -> Ephemeron.GenHashTable.MakeSeeded.t option val get_data : 'a Ephemeron.GenHashTable.MakeSeeded.container -> 'a option val set_key_data : 'a Ephemeron.GenHashTable.MakeSeeded.container -> Ephemeron.GenHashTable.MakeSeeded.t -> 'a -> unit val check_key : 'a Ephemeron.GenHashTable.MakeSeeded.container -> bool end) -> 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`