You can search for identifiers within the package.
in-package search v0.2.0
type ('a, 'structure, 'arity, 'rec_group, 'kinds, 'positive, 'negative, 'direct, 'gadt) t = {
structure : ('a, 'structure, 'arity, 'rec_group, 'kinds, 'positive, 'negative, 'direct, 'gadt) Refl__.Desc.object_method;
value : unit -> 'a;
}