You can search for identifiers within the package.
in-package search v0.2.0
type t =
| Read_write
| Read_only
include Sexplib0.Sexpable.S with type t := t
val t_of_sexp : Sexplib0__.Sexp.t -> t
val sexp_of_t : t -> Sexplib0__.Sexp.t
val to_string : t -> string