code: @Override
      public DescribeEntityRecognizerResult describeEntityRecognizer(DescribeEntityRecognizerRequest request) {
          request = beforeClientExecution(request);
          return executeDescribeEntityRecognizer(request);
      }
docs: <p>
  Provides details about an entity recognizer including status, S3 buckets containing training data, recognizer
  metadata, metrics, and so on.
  </p>
  
  @param describeEntityRecognizerRequest
  @return Result of the DescribeEntityRecognizer operation returned by the service.
  @throws InvalidRequestException
  The request is invalid.
  @throws TooManyRequestsException
  The number of requests exceeds the limit. Resubmit your request later.
  @throws ResourceNotFoundException
  The specified resource ARN was not found. Check the ARN and try your request again.
  @throws InternalServerException
  An internal server error occurred. Retry your request.
  @sample AmazonComprehend.DescribeEntityRecognizer
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/comprehend-2017-11-27/DescribeEntityRecognizer"
  target="_top">AWS API Documentation</a>