public Cluster withClusterNamespaceArn(String clusterNamespaceArn) {
        setClusterNamespaceArn(clusterNamespaceArn);
        return this;
    }
<p>
The namespace Amazon Resource Name (ARN) of the cluster.
</p>

@param clusterNamespaceArn
       The namespace Amazon Resource Name (ARN) of the cluster.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-redshift/src/main/java/com/amazonaws/services/redshift/model/Cluster.java