public Integer getBackupRetentionPeriod() {
        return this.backupRetentionPeriod;
    }
<p>
The number of days for which automated backups are retained. Setting this parameter to a positive number enables
backups. For more information, see <code>CreateDBInstance</code>.
</p>

@return The number of days for which automated backups are retained. Setting this parameter to a positive number
        enables backups. For more information, see <code>CreateDBInstance</code>.
aws-java-sdk-rds/src/main/java/com/amazonaws/services/rds/model/RestoreDBInstanceFromS3Request.java