public void setInstanceId(String instanceId) {
        this.instanceId = instanceId;
    }
<p>
The instance ID. If you include this parameter, <code>DescribeElasticIps</code> returns a description of the
Elastic IP addresses associated with the specified instance.
</p>

@param instanceId
       The instance ID. If you include this parameter, <code>DescribeElasticIps</code> returns a description of
       the Elastic IP addresses associated with the specified instance.
aws-java-sdk-opsworks/src/main/java/com/amazonaws/services/opsworks/model/DescribeElasticIpsRequest.java