var NoSelfCalls CombinationFilter = func(from echo.Instance, to echo.Instances) echo.Instances {
	return match.Not(match.ServiceName(from.NamespacedName())).GetMatches(to)
}

// HasL7 only allows traffic where there is some L7 processing occurring on the path
var HasL7 CombinationFilter = func(from echo.Instance, to echo.Instances) echo.Instances {
	if from.Config().HasSidecar() || from.Config().IsProxylessGRPC() {
		// client has l7
		return to