You can search for identifiers within the package.
in-package search v0.2.0
type client
type handle
val make : unit -> client Lwt.t
val read : handle -> string -> string Lwt.t
val write : handle -> string -> string -> unit Lwt.t
val immediate : client -> (handle -> 'a Lwt.t) -> 'a Lwt.t
val transaction : client -> (handle -> 'a Lwt.t) -> 'a Lwt.t
val getdomainpath : handle -> int -> string Lwt.t