public EnabledBaselineSummary withArn(String arn) {
        setArn(arn);
        return this;
    }
<p>
The ARN of the <code>EnabledBaseline</code> resource
</p>

@param arn
       The ARN of the <code>EnabledBaseline</code> resource
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-controltower/src/main/java/com/amazonaws/services/controltower/model/EnabledBaselineSummary.java