public Integer getBackupRetentionPeriod() {
        return this.backupRetentionPeriod;
    }
<p>
Not applicable. The retention period for automated backups is managed by the DB cluster. For more information,
see <a>ModifyDBCluster</a>.
</p>
<p>
Default: Uses existing setting
</p>

@return Not applicable. The retention period for automated backups is managed by the DB cluster. For more
        information, see <a>ModifyDBCluster</a>.</p>
        <p>
        Default: Uses existing setting
aws-java-sdk-neptune/src/main/java/com/amazonaws/services/neptune/model/ModifyDBInstanceRequest.java