package octez-protocol-019-PtParisB-libs
type t = {sync_fun : unit -> unit Lwt.t;checkout_fun : Tezos_base.TzPervasives.Context_hash.t -> Tezos_protocol_environment.Context.t option Lwt.t;finalize_fun : unit -> unit Lwt.t;
}val abstract : Tezos_context.Context.index -> t