code: @Override
      public DescribeNotebookInstanceResult describeNotebookInstance(DescribeNotebookInstanceRequest request) {
          request = beforeClientExecution(request);
          return executeDescribeNotebookInstance(request);
      }
docs: <p>
  Returns information about a notebook instance.
  </p>
  
  @param describeNotebookInstanceRequest
  @return Result of the DescribeNotebookInstance operation returned by the service.
  @sample AmazonSageMaker.DescribeNotebookInstance
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/sagemaker-2017-07-24/DescribeNotebookInstance"
  target="_top">AWS API Documentation</a>