ResourceNames: req.Delta.Subscribed.UnsortedList(),
		}
	}

	var res model.Resources
	var deletedRes model.DeletedResources
	var logdata model.XdsLogDetails
	var usedDelta bool
	var err error
	switch g := gen.(type) {
	case model.XdsDeltaResourceGenerator:
		res, deletedRes, logdata, usedDelta, err = g.GenerateDeltas(con.proxy, req, w)
		if features.EnableUnsafeDeltaTest {