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

@param startTime
       Information about the time a rotation override would begin.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-ssmcontacts/src/main/java/com/amazonaws/services/ssmcontacts/model/PreviewOverride.java