You can search for identifiers within the package.
in-package search v0.2.0
type (!'c, !'d, !'e, !'h, !'i, !'j) conv = ('c, 'd, 'e, 'h, 'i, 'j) Resto_directory.Make(Tezos_rpc.Encoding).Curry.conv =
| Z : (unit, 'g, 'g, unit, 'f, 'f) conv
| S : ('t, 'g0, 'b * 's, 'rt, 'f0, 'r) conv -> ('t * 'b, 'g0, 's, 'a * 'rt, 'a -> 'f0, 'r) conv
val curry : ('a, 'b, unit, 'b, 'c, 'd) conv -> 'c -> 'a -> 'd