public DescribeModelVersionResult withEvaluationDataStartTime(java.util.Date evaluationDataStartTime) {
        setEvaluationDataStartTime(evaluationDataStartTime);
        return this;
    }
<p>
The date on which the data in the evaluation set began being gathered. If you imported the version, this is the
date that the evaluation set data in the source version began being gathered.
</p>

@param evaluationDataStartTime
       The date on which the data in the evaluation set began being gathered. If you imported the version, this
       is the date that the evaluation set data in the source version began being gathered.
@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