public async Task <IPlatformResponse <IList <IPushObserver> > > GetObservers(ObserverEntity entity, Guid?entityId = null, CancellationToken?cancellationToken = null, IProgress <ISDKProgress> progress = null) { SetupTokenAndProgress(cancellationToken, progress); return(await SdkClient.GetObservers(entity, entityId, cancellationToken, progress)); }