text: public virtual DescribeSpotDatafeedSubscriptionResponse DescribeSpotDatafeedSubscription(DescribeSpotDatafeedSubscriptionRequest request){var options = new InvokeOptions();options.RequestMarshaller = DescribeSpotDatafeedSubscriptionRequestMarshaller.Instance;options.ResponseUnmarshaller = DescribeSpotDatafeedSubscriptionResponseUnmarshaller.Instance;return Invoke<DescribeSpotDatafeedSubscriptionResponse>(request, options);}