public Task<DescribeClassicLinkInstancesResponse> DescribeClassicLinkInstancesAsync(DescribeClassicLinkInstancesRequest request, System.Threading.CancellationToken cancellationToken = default(CancellationToken))
{
var marshaller = new DescribeClassicLinkInstancesRequestMarshaller();
var unmarshaller = DescribeClassicLinkInstancesResponseUnmarshaller.Instance;
return InvokeAsync<DescribeClassicLinkInstancesRequest,DescribeClassicLinkInstancesResponse>(request, marshaller,
unmarshaller, cancellationToken);
}