clientConfig.Wrap(tracing.WrapperFor(tp))
	}
	return clientConfig, onHeartbeatFailure, nil
}

// updateDialer instruments a restconfig with a dial. the returned function allows forcefully closing all active connections.
func updateDialer(clientConfig *restclient.Config) (func(), error) {
	if clientConfig.Transport != nil || clientConfig.Dial != nil {