code: @Override
      public ListNotebookInstancesResult listNotebookInstances(ListNotebookInstancesRequest request) {
          request = beforeClientExecution(request);
          return executeListNotebookInstances(request);
      }
docs: <p>
  Returns a list of the Amazon SageMaker notebook instances in the requester's account in an AWS Region.
  </p>
  
  @param listNotebookInstancesRequest
  @return Result of the ListNotebookInstances operation returned by the service.
  @sample AmazonSageMaker.ListNotebookInstances
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/sagemaker-2017-07-24/ListNotebookInstances"
  target="_top">AWS API Documentation</a>