code: @Override
      public DescribeEnvironmentManagedActionHistoryResult describeEnvironmentManagedActionHistory(DescribeEnvironmentManagedActionHistoryRequest request) {
          request = beforeClientExecution(request);
          return executeDescribeEnvironmentManagedActionHistory(request);
      }
docs: <p>
  Lists an environment's completed and failed managed actions.
  </p>
  
  @param describeEnvironmentManagedActionHistoryRequest
  Request to list completed and failed managed actions.
  @return Result of the DescribeEnvironmentManagedActionHistory operation returned by the service.
  @throws ElasticBeanstalkServiceException
  A generic service exception has occurred.
  @sample AWSElasticBeanstalk.DescribeEnvironmentManagedActionHistory
  @see <a
  href="http://docs.aws.amazon.com/goto/WebAPI/elasticbeanstalk-2010-12-01/DescribeEnvironmentManagedActionHistory"
  target="_top">AWS API Documentation</a>