public async Task <IPlatformResponse <IList <ITransport> > > GetObserverTransports(ObserverEntity entity, string key, CancellationToken?cancellationToken = null, IProgress <ISDKProgress> progress = null)
{
SetupTokenAndProgress(cancellationToken, progress);
return(await SdkClient.GetObserverTransports(entity, key, cancellationToken, progress));
}