code: private function getCalcData()
      {
          /**
           * Get period & calc data.
           */
          $req = new AGetPeriodRequest();
          $req->setBaseCalcTypeCode(Cfg::CODE_TYPE_CALC_BONUS_SIGN_UP_DEBIT);
          $req->setDepCalcTypeCode(Cfg::CODE_TYPE_CALC_PV_WRITE_OFF);
          /** @var AGetPeriodResponse $resp */
          $resp = $this->servPeriodGet->exec($req);
          /** @var \Praxigento\BonusBase\Repo\Data\Period $periodData */
          $periodData = $resp->getDepPeriodData();
          /** @var \Praxigento\BonusBase\Repo\Data\Calculation $calcData */
          $calcData = $resp->getDepCalcData();
          /**
           * Compose result.
           */
          $result = [$periodData, $calcData];
          return $result;
      }
docs: Get data for dependent calculation.
  
  @return array [$periodData, $calcData]