public void setStartTime(java.util.Date startTime) {
        this.startTime = startTime;
    }
<p>
The time that the configuration change was initiated, in Universal Coordinated Time (UTC).
</p>

@param startTime
       The time that the configuration change was initiated, in Universal Coordinated Time (UTC).
aws-java-sdk-opensearch/src/main/java/com/amazonaws/services/opensearch/model/ChangeProgressDetails.java