public Task<DescribeStaleSecurityGroupsResponse> DescribeStaleSecurityGroupsAsync(DescribeStaleSecurityGroupsRequest request, System.Threading.CancellationToken cancellationToken = default(CancellationToken))
{
var marshaller = new DescribeStaleSecurityGroupsRequestMarshaller();
var unmarshaller = DescribeStaleSecurityGroupsResponseUnmarshaller.Instance;
return InvokeAsync<DescribeStaleSecurityGroupsRequest,DescribeStaleSecurityGroupsResponse>(request, marshaller,
unmarshaller, cancellationToken);
}