You can search for identifiers within the package.
in-package search v0.2.0
type t =
| Index of int
| Id of int
| Description of string
| Label of string
val to_yojson : t -> Yojson.Safe.t
val of_yojson : Yojson.Safe.t -> t Ppx_deriving_yojson_runtime.error_or
val default : t
val to_string : t -> string * string