Gossip_state.Set
type 'a t
val to_yojson : ( 'a -> Yojson.Safe.t ) -> 'a t -> Yojson.Safe.t
val add : 'a t -> 'a Event_type.Gossip.With_direction.t Event_type.t -> 'a -> unit
val size : _ t -> int
val inter : 'a t list -> 'a t
val union : 'a t list -> 'a t
val create : unit -> 'a t