public Cluster withDefaultIamRoleArn(String defaultIamRoleArn) {
        setDefaultIamRoleArn(defaultIamRoleArn);
        return this;
    }
<p>
The Amazon Resource Name (ARN) for the IAM role set as default for the cluster.
</p>

@param defaultIamRoleArn
       The Amazon Resource Name (ARN) for the IAM role set as default for 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