code: @Override
      public ListTaskExecutionsResult listTaskExecutions(ListTaskExecutionsRequest request) {
          request = beforeClientExecution(request);
          return executeListTaskExecutions(request);
      }
docs: <p>
  Returns a list of executed tasks.
  </p>
  
  @param listTaskExecutionsRequest
  ListTaskExecutions
  @return Result of the ListTaskExecutions operation returned by the service.
  @throws InvalidRequestException
  This exception is thrown when the client submits a malformed request.
  @sample AWSDataSync.ListTaskExecutions
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/datasync-2018-11-09/ListTaskExecutions" target="_top">AWS
  API Documentation</a>