public ChangeProgressStatusDetails withStartTime(java.util.Date startTime) {
        setStartTime(startTime);
        return this;
    }
<p>
The time at which the configuration change is made on the domain.
</p>

@param startTime
       The time at which the configuration change is made on the domain.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-opensearch/src/main/java/com/amazonaws/services/opensearch/model/ChangeProgressStatusDetails.java