public void setStartTime(java.util.Date startTime) {
        this.startTime = startTime;
    }
<p>
Information about the time a rotation override would begin.
</p>

@param startTime
       Information about the time a rotation override would begin.
aws-java-sdk-ssmcontacts/src/main/java/com/amazonaws/services/ssmcontacts/model/PreviewOverride.java