code: @Override
      public CreateSpotDatafeedSubscriptionResult createSpotDatafeedSubscription(CreateSpotDatafeedSubscriptionRequest request) {
          request = beforeClientExecution(request);
          return executeCreateSpotDatafeedSubscription(request);
      }
docs: <p>
  Creates a data feed for Spot Instances, enabling you to view Spot Instance usage logs. You can create one data
  feed per AWS account. For more information, see <a
  href="https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/spot-data-feeds.html">Spot Instance Data Feed</a> in
  the <i>Amazon EC2 User Guide for Linux Instances</i>.
  </p>
  
  @param createSpotDatafeedSubscriptionRequest
  Contains the parameters for CreateSpotDatafeedSubscription.
  @return Result of the CreateSpotDatafeedSubscription operation returned by the service.
  @sample AmazonEC2.CreateSpotDatafeedSubscription
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/ec2-2016-11-15/CreateSpotDatafeedSubscription"
  target="_top">AWS API Documentation</a>