public Boolean isEnableBackupRetention() {
        return this.enableBackupRetention;
    }
<p>
When <code>true</code>, enables automated backup retention for your database.
</p>
<p>
Updates are applied during the next maintenance window because this can result in an outage.
</p>

@return When <code>true</code>, enables automated backup retention for your database.</p>
        <p>
        Updates are applied during the next maintenance window because this can result in an outage.
aws-java-sdk-lightsail/src/main/java/com/amazonaws/services/lightsail/model/UpdateRelationalDatabaseRequest.java