public void setCreationDateTime(java.util.Date creationDateTime) {
        this.creationDateTime = creationDateTime;
    }
<p>
The creation date and time for the test set data.
</p>

@param creationDateTime
       The creation date and time for the test set data.
aws-java-sdk-lexmodelsv2/src/main/java/com/amazonaws/services/lexmodelsv2/model/DescribeTestSetResult.java