You can search for identifiers within the package.
in-package search v0.2.0
pa_js
Pa_js
val rnd : Stdlib.Random.State.t
val random_var : unit -> string
val random_tvar : unit -> string
module StringMap : sig ... end
module Id : Camlp4.Sig.Id
module Make (Syntax : Camlp4.Sig.Camlp4Syntax) : sig ... end
module M : sig ... end