code: @Override
      public DescribeUpdateResult describeUpdate(DescribeUpdateRequest request) {
          request = beforeClientExecution(request);
          return executeDescribeUpdate(request);
      }
docs: <p>
  Returns descriptive information about an update against your Amazon EKS cluster.
  </p>
  <p>
  When the status of the update is <code>Succeeded</code>, the update is complete. If an update fails, the status
  is <code>Failed</code>, and an error detail explains the reason for the failure.
  </p>
  
  @param describeUpdateRequest
  @return Result of the DescribeUpdate operation returned by the service.
  @throws InvalidParameterException
  The specified parameter is invalid. Review the available parameters for the API request.
  @throws ClientException
  These errors are usually caused by a client action. Actions can include using an action or resource on
  behalf of a user that doesn't have permissions to use the action or resource or specifying an identifier
  that is not valid.
  @throws ServerException
  These errors are usually caused by a server-side issue.
  @throws ResourceNotFoundException
  The specified resource could not be found. You can view your available clusters with <a>ListClusters</a>.
  Amazon EKS clusters are Region-specific.
  @sample AmazonEKS.DescribeUpdate
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/eks-2017-11-01/DescribeUpdate" target="_top">AWS API
  Documentation</a>