<DescribeAutoScalingInstancesResponse xmlns="http://autoscaling.amazonaws.com/doc/2011-01-01/">
  <DescribeAutoScalingInstancesResult>
    <AutoScalingInstances/>
  </DescribeAutoScalingInstancesResult>
  <ResponseMetadata>
    <RequestId>67af58ee-9167-11e2-ba50-d18200895d59</RequestId>
  </ResponseMetadata>
</DescribeAutoScalingInstancesResponse>