public TrafficDistributionGroup withInstanceArn(String instanceArn) {
        setInstanceArn(instanceArn);
        return this;
    }
<p>
The Amazon Resource Name (ARN).
</p>

@param instanceArn
       The Amazon Resource Name (ARN).
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-connect/src/main/java/com/amazonaws/services/connect/model/TrafficDistributionGroup.java