public String getCurrentVersion() {
        return this.currentVersion;
    }
<p>
The cluster version that you want to change. After this operation completes successfully, the cluster will have a
new version.
</p>

@return <p>
        The cluster version that you want to change. After this operation completes successfully, the cluster
        will have a new version.
        </p>
aws-java-sdk-kafka/src/main/java/com/amazonaws/services/kafka/model/UpdateBrokerTypeRequest.java