public virtual AsyncPageable <NetworkSecurityGroup> GetAllAsync(CancellationToken cancellationToken = default) { async Task <Page <NetworkSecurityGroup> > FirstPageFunc(int?pageSizeHint) { using var scope = _networkSecurityGroupClientDiagnostics.CreateScope("NetworkSecurityGroupCollection.GetAll"); scope.Start(); try { var response = await _networkSecurityGroupRestClient.ListAsync(Id.SubscriptionId, Id.ResourceGroupName, cancellationToken : cancellationToken).ConfigureAwait(false); return(Page.FromValues(response.Value.Value.Select(value => new NetworkSecurityGroup(ArmClient, value)), response.Value.NextLink, response.GetRawResponse())); } catch (Exception e) { scope.Failed(e); throw; } } async Task <Page <NetworkSecurityGroup> > NextPageFunc(string nextLink, int?pageSizeHint) { using var scope = _networkSecurityGroupClientDiagnostics.CreateScope("NetworkSecurityGroupCollection.GetAll"); scope.Start(); try { var response = await _networkSecurityGroupRestClient.ListNextPageAsync(nextLink, Id.SubscriptionId, Id.ResourceGroupName, cancellationToken : cancellationToken).ConfigureAwait(false); return(Page.FromValues(response.Value.Value.Select(value => new NetworkSecurityGroup(ArmClient, value)), response.Value.NextLink, response.GetRawResponse())); } catch (Exception e) { scope.Failed(e); throw; } } return(PageableHelpers.CreateAsyncEnumerable(FirstPageFunc, NextPageFunc)); }