public DescribeModelVersionResult withPriorModelMetrics(String priorModelMetrics) {
        setPriorModelMetrics(priorModelMetrics);
        return this;
    }
<p>
If the model version was retrained, this field shows a summary of the performance of the prior model on the new
training range. You can use the information in this JSON-formatted object to compare the new model version and
the prior model version.
</p>

@param priorModelMetrics
       If the model version was retrained, this field shows a summary of the performance of the prior model on
       the new training range. You can use the information in this JSON-formatted object to compare the new model
       version and the prior model version.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-lookoutequipment/src/main/java/com/amazonaws/services/lookoutequipment/model/DescribeModelVersionResult.java