public void setArn(String arn) {
        this.arn = arn;
    }
Unique reservation ARN, e.g. 'arn:aws:medialive:us-west-2:123456789012:reservation:1234567'

@param arn
       Unique reservation ARN, e.g. 'arn:aws:medialive:us-west-2:123456789012:reservation:1234567'
aws-java-sdk-medialive/src/main/java/com/amazonaws/services/medialive/model/DeleteReservationResult.java