m := rules.Matcher{Rule: r, Attr: attr}
		if m.Matches() {
			invocation = &WebhookInvocation{
				Webhook:     h,
				Resource:    attr.GetResource(),
				Subresource: attr.GetSubresource(),
				Kind:        attr.GetKind(),
			}
			break
		}
	}
	if invocation == nil && h.GetMatchPolicy() != nil && *h.GetMatchPolicy() == v1.Equivalent {
		attrWithOverride := &attrWithResourceOverride{Attributes: attr}

	gv, err := schema.ParseGroupVersion(u.GetAPIVersion())
	if err != nil {
		return res, err
	}

	gk := config.GroupVersionKind{
		Group:   gv.Group,
		Version: gv.Version,
		Kind:    u.GetKind(),
	}
	found, ok := gvk.ToGVR(gk)
	if !ok {
		return res, fmt.Errorf("unknown gvk: %v", gk)
	}
	return found, nil
}