public void setArn(String arn) {
        this.arn = arn;
    }
<p>
The Amazon Resource Name (ARN) of the configuration.
</p>

@param arn
       <p>
       The Amazon Resource Name (ARN) of the configuration.
       </p>
aws-java-sdk-kafka/src/main/java/com/amazonaws/services/kafka/model/DescribeConfigurationRevisionResult.java