public void setInstanceArn(String instanceArn) {
        this.instanceArn = instanceArn;
    }
<p>
The ARN of the on-premises instance.
</p>

@param instanceArn
       The ARN of the on-premises instance.
aws-java-sdk-codedeploy/src/main/java/com/amazonaws/services/codedeploy/model/InstanceInfo.java