public virtual NatGatewayCreateOrUpdateOperation CreateOrUpdate(string natGatewayName, NatGatewayData parameters, bool waitForCompletion = true, CancellationToken cancellationToken = default)
        {
            if (natGatewayName == null)
            {
                throw new ArgumentNullException(nameof(natGatewayName));
            }
            if (parameters == null)
            {
                throw new ArgumentNullException(nameof(parameters));
            }

            using var scope = _clientDiagnostics.CreateScope("NatGatewayCollection.CreateOrUpdate");
            scope.Start();
            try
            {
                var response  = _natGatewaysRestClient.CreateOrUpdate(Id.SubscriptionId, Id.ResourceGroupName, natGatewayName, parameters, cancellationToken);
                var operation = new NatGatewayCreateOrUpdateOperation(Parent, _clientDiagnostics, Pipeline, _natGatewaysRestClient.CreateCreateOrUpdateRequest(Id.SubscriptionId, Id.ResourceGroupName, natGatewayName, parameters).Request, response);
                if (waitForCompletion)
                {
                    operation.WaitForCompletion(cancellationToken);
                }
                return(operation);
            }
            catch (Exception e)
            {
                scope.Failed(e);
                throw;
            }
        }
        public virtual async Task <ArmOperation <NatGatewayResource> > CreateOrUpdateAsync(WaitUntil waitUntil, string natGatewayName, NatGatewayData data, CancellationToken cancellationToken = default)
        {
            Argument.AssertNotNullOrEmpty(natGatewayName, nameof(natGatewayName));
            Argument.AssertNotNull(data, nameof(data));

            using var scope = _natGatewayClientDiagnostics.CreateScope("NatGatewayCollection.CreateOrUpdate");
            scope.Start();
            try
            {
                var response = await _natGatewayRestClient.CreateOrUpdateAsync(Id.SubscriptionId, Id.ResourceGroupName, natGatewayName, data, cancellationToken).ConfigureAwait(false);

                var operation = new NetworkArmOperation <NatGatewayResource>(new NatGatewayOperationSource(Client), _natGatewayClientDiagnostics, Pipeline, _natGatewayRestClient.CreateCreateOrUpdateRequest(Id.SubscriptionId, Id.ResourceGroupName, natGatewayName, data).Request, response, OperationFinalStateVia.AzureAsyncOperation);
                if (waitUntil == WaitUntil.Completed)
                {
                    await operation.WaitForCompletionAsync(cancellationToken).ConfigureAwait(false);
                }
                return(operation);
            }
            catch (Exception e)
            {
                scope.Failed(e);
                throw;
            }
        }