@Override
    public String toString() {
        return this.value;
    }
Optional. Specify how the service determines the pixel aspect ratio (PAR) for this output. The default behavior,
Follow source, uses the PAR from your input video for your output. To specify a different PAR, choose any value other
than Follow source. When you choose SPECIFIED for this setting, you must also specify values for the parNumerator and
parDenominator settings.
aws-java-sdk-mediaconvert/src/main/java/com/amazonaws/services/mediaconvert/model/H265ParControl.java