public void setCancelledChangeIds(java.util.Collection<String> cancelledChangeIds) {
        if (cancelledChangeIds == null) {
            this.cancelledChangeIds = null;
            return;
        }

        this.cancelledChangeIds = new java.util.ArrayList<String>(cancelledChangeIds);
    }
<p>
The unique identifiers of the changes that were cancelled.
</p>

@param cancelledChangeIds
       The unique identifiers of the changes that were cancelled.
aws-java-sdk-elasticsearch/src/main/java/com/amazonaws/services/elasticsearch/model/CancelDomainConfigChangeResult.java