"type", model.GetShortType(resp.TypeUrl),
				"nonce", resp.Nonce,
				"resources", len(resp.Resources),
				"removes", len(resp.RemovedResources),
			).Debugf("upstream response")
			metrics.XdsProxyResponses.Increment()
			if h, f := p.handlers[resp.TypeUrl]; f {
				if len(resp.Resources) == 0 {
					// Empty response, nothing to do
					// This assumes internal types are always singleton
					break
				}

			proxyLog.WithLabels(
				"id", con.conID,
				"type", model.GetShortType(resp.TypeUrl),
				"resources", len(resp.Resources),
			).Debugf("upstream response")
			metrics.XdsProxyResponses.Increment()
			if h, f := p.handlers[resp.TypeUrl]; f {
				if len(resp.Resources) == 0 {
					// Empty response, nothing to do
					// This assumes internal types are always singleton
					break
				}