code: @Override
      public DescribeComputeEnvironmentsResult describeComputeEnvironments(DescribeComputeEnvironmentsRequest request) {
          request = beforeClientExecution(request);
          return executeDescribeComputeEnvironments(request);
      }
docs: <p>
  Describes one or more of your compute environments.
  </p>
  <p>
  If you are using an unmanaged compute environment, you can use the <code>DescribeComputeEnvironment</code>
  operation to determine the <code>ecsClusterArn</code> that you should launch your Amazon ECS container instances
  into.
  </p>
  
  @param describeComputeEnvironmentsRequest
  @return Result of the DescribeComputeEnvironments operation returned by the service.
  @throws ClientException
  These errors are usually caused by a client action, such as 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 issue.
  @sample AWSBatch.DescribeComputeEnvironments
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/batch-2016-08-10/DescribeComputeEnvironments"
  target="_top">AWS API Documentation</a>