public void setNumberOfBrokerNodes(Integer numberOfBrokerNodes) {
        this.numberOfBrokerNodes = numberOfBrokerNodes;
    }
<p>
The number of broker nodes in the cluster.
</p>

@param numberOfBrokerNodes
       <p>
       The number of broker nodes in the cluster.
       </p>
aws-java-sdk-kafka/src/main/java/com/amazonaws/services/kafka/model/ClusterInfo.java