code: @Override
      public ListClustersResult listClusters(ListClustersRequest request) {
          request = beforeClientExecution(request);
          return executeListClusters(request);
      }
docs: <p>
  Lists the Amazon EKS clusters in your AWS account in the specified Region.
  </p>
  
  @param listClustersRequest
  @return Result of the ListClusters 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 ServiceUnavailableException
  The service is unavailable. Back off and retry the operation.
  @sample AmazonEKS.ListClusters
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/eks-2017-11-01/ListClusters" target="_top">AWS API
  Documentation</a>