public ConfigurationInfo withArn(String arn) {
        setArn(arn);
        return this;
    }
<p>
ARN of the configuration to use.
</p>

@param arn
       <p>
       ARN of the configuration to use.
       </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/ConfigurationInfo.java