public function getUnitOptions()
    {
        $unitGroup = [
            'speed' => ['bps', 'kbps', 'mbps', 'gbps', 'tbps'],
            'size' => ['mb', 'mb10', 'mb100', 'gb', 'tb'],
        ];

        $availableUnitsByPriceType = [
            'overuse,ip_num' => ['items'],
            'overuse,support_time' => ['hour'],
            'overuse,backup_du' => $unitGroup['size'],
            'overuse,server_traf_max' => $unitGroup['size'],
            'overuse,server_traf95_max' => $unitGroup['speed'],
            'overuse,server_du' => $unitGroup['size'],
            'overuse,server_ssd' => $unitGroup['size'],
            'overuse,server_sata' => $unitGroup['size'],
            'overuse,backup_traf' => $unitGroup['size'],
            'overuse,domain_traf' => $unitGroup['size'],
            'overuse,domain_num' => ['items'],
            'overuse,ip_traf_max' => $unitGroup['size'],
            'overuse,account_traf' => $unitGroup['size'],
            'overuse,account_du' => $unitGroup['size'],
            'overuse,mail_num' => ['items'],
            'overuse,mail_du' => $unitGroup['size'],
            'overuse,db_num' => ['items'],
        ];

        $units = Ref::getList('type,unit', 'hipanel.finance.units', [
            'with_recursive' => 1,
            'select' => 'oname_label',
            'mapOptions' => ['from' => 'oname'],
        ]);

        $possibleTypes = $availableUnitsByPriceType[$this->type] ?? [];

        return array_intersect_key($units, array_combine($possibleTypes, $possibleTypes));
    }