code: @Override
      public ListActionExecutionsResult listActionExecutions(ListActionExecutionsRequest request) {
          request = beforeClientExecution(request);
          return executeListActionExecutions(request);
      }
docs: <p>
  Lists the action executions that have occurred in a pipeline.
  </p>
  
  @param listActionExecutionsRequest
  @return Result of the ListActionExecutions operation returned by the service.
  @throws ValidationException
  The validation was specified in an invalid format.
  @throws PipelineNotFoundException
  The specified pipeline was specified in an invalid format or cannot be found.
  @throws InvalidNextTokenException
  The next token was specified in an invalid format. Make sure that the next token you provided is the
  token returned by a previous call.
  @throws PipelineExecutionNotFoundException
  The pipeline execution was specified in an invalid format or cannot be found, or an execution ID does not
  belong to the specified pipeline.
  @sample AWSCodePipeline.ListActionExecutions
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/codepipeline-2015-07-09/ListActionExecutions"
  target="_top">AWS API Documentation</a>