},
			})
		}
	}
	return vs
}

func convertTCPRoute(ctx configContext, r k8salpha.TCPRouteRule, obj config.Config, enforceRefGrant bool) (*istio.TCPRoute, *ConfigError) {
	if tcpWeightSum(r.BackendRefs) == 0 {
		// The spec requires us to reject connections when there are no >0 weight backends
		// We don't have a great way to do it. TODO: add a fault injection API for TCP?
		return &istio.TCPRoute{