public Task<DescribeNotificationConfigurationsResponse> DescribeNotificationConfigurationsAsync(DescribeNotificationConfigurationsRequest request, System.Threading.CancellationToken cancellationToken = default(CancellationToken))
{
var marshaller = new DescribeNotificationConfigurationsRequestMarshaller();
var unmarshaller = DescribeNotificationConfigurationsResponseUnmarshaller.Instance;
return InvokeAsync<DescribeNotificationConfigurationsRequest,DescribeNotificationConfigurationsResponse>(request, marshaller,
unmarshaller, cancellationToken);
}