public UpdateClusterKafkaVersionResult withClusterOperationArn(String clusterOperationArn) {
        setClusterOperationArn(clusterOperationArn);
        return this;
    }
<p>
The Amazon Resource Name (ARN) of the cluster operation.
</p>

@param clusterOperationArn
       <p>
       The Amazon Resource Name (ARN) of the cluster operation.
       </p>
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-kafka/src/main/java/com/amazonaws/services/kafka/model/UpdateClusterKafkaVersionResult.java