code: @Override
      public GetSnowballUsageResult getSnowballUsage(GetSnowballUsageRequest request) {
          request = beforeClientExecution(request);
          return executeGetSnowballUsage(request);
      }
docs: <p>
  Returns information about the Snowball service limit for your account, and also the number of Snowballs your
  account has in use.
  </p>
  <p>
  The default service limit for the number of Snowballs that you can have at one time is 1. If you want to increase
  your service limit, contact AWS Support.
  </p>
  
  @param getSnowballUsageRequest
  @return Result of the GetSnowballUsage operation returned by the service.
  @sample AmazonSnowball.GetSnowballUsage
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/snowball-2016-06-30/GetSnowballUsage" target="_top">AWS API
  Documentation</a>