public ForecastSummary withPredictorArn(String predictorArn) {
        setPredictorArn(predictorArn);
        return this;
    }
<p>
The ARN of the predictor used to generate the forecast.
</p>

@param predictorArn
       The ARN of the predictor used to generate the forecast.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-forecast/src/main/java/com/amazonaws/services/forecast/model/ForecastSummary.java