public String getAssociationId() {
        return this.associationId;
    }
<p>
The identifier that represents the association of the Elastic IP address with an EC2 instance.
</p>

@return The identifier that represents the association of the Elastic IP address with an EC2 instance.
aws-java-sdk-securityhub/src/main/java/com/amazonaws/services/securityhub/model/AwsEc2EipDetails.java