public void setInstanceId(String instanceId) {
        this.instanceId = instanceId;
    }
<p>
The ID of the EC2 instance, which provides user-based subscriptions.
</p>

@param instanceId
       The ID of the EC2 instance, which provides user-based subscriptions.
aws-java-sdk-licensemanagerusersubscriptions/src/main/java/com/amazonaws/services/licensemanagerusersubscriptions/model/InstanceUserSummary.java