You can search for identifiers within the package.
in-package search v0.2.0
ocsipersist-sqlite
Ocsipersist.Ref_json
type 'a t = 'a Ocsipersist_lib.Ref_json(Functorial).t
val ref : ?persistent:??? -> 'a Deriving_Json.t -> 'a -> 'a t
val get : 'a t -> 'a Lwt.t
val set : 'a t -> 'a -> unit Lwt.t