You can search for identifiers within the package.
in-package search v0.2.0
petanque_json
Handler.Response
type t = JAgent.State.t JAgent.Run_result.t
val to_yojson : t -> Yojson.Safe.t
val of_yojson : Yojson.Safe.t -> t Ppx_deriving_yojson_runtime.error_or
val _ : Yojson.Safe.t -> t Ppx_deriving_yojson_runtime.error_or