code: @Override
      public PredictResult predict(PredictRequest request) {
          request = beforeClientExecution(request);
          return executePredict(request);
      }
docs: <p>
  Generates a prediction for the observation using the specified <code>ML Model</code>.
  </p>
  <note><title>Note</title>
  <p>
  Not all response parameters will be populated. Whether a response parameter is populated depends on the type of
  model requested.
  </p>
  </note>
  
  @param predictRequest
  @return Result of the Predict operation returned by the service.
  @throws InvalidInputException
  An error on the client occurred. Typically, the cause is an invalid input value.
  @throws ResourceNotFoundException
  A specified resource cannot be located.
  @throws LimitExceededException
  The subscriber exceeded the maximum number of operations. This exception can occur when listing objects
  such as <code>DataSource</code>.
  @throws InternalServerException
  An error on the server occurred when trying to process a request.
  @throws PredictorNotMountedException
  The exception is thrown when a predict request is made to an unmounted <code>MLModel</code>.
  @sample AmazonMachineLearning.Predict