You can search for identifiers within the package.
in-package search v0.2.0
type t = OCamlResSubFormats.Raw.t
type params = OCamlResFormats.Files(OCamlResSubFormats.Raw).params = {
base_output_dir : string;
}
val output : params -> OCamlResSubFormats.Raw.t OCamlRes.Res.node list -> unit