public DescribedWorkflow withArn(String arn) {
        setArn(arn);
        return this;
    }
<p>
Specifies the unique Amazon Resource Name (ARN) for the workflow.
</p>

@param arn
       Specifies the unique Amazon Resource Name (ARN) for the workflow.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-transfer/src/main/java/com/amazonaws/services/transfer/model/DescribedWorkflow.java