You can search for identifiers within the package.
in-package search v0.2.0
type t = P11_ulong.t
val equal : t -> t -> Ppx_deriving_runtime.bool
val to_yojson : t -> Yojson.Safe.t
val of_yojson : Yojson.Safe.t -> t Ppx_deriving_yojson_runtime.error_or
val to_string : t -> string
val hash : t -> int