getDailyRegistrations example

        $turnover = $this->getRepository()->getDailyTurnover(
            $this->getFromDate(),
            $this->getToDate()
        );

        $visitors = $this->getRepository()->getDailyVisitors(
            $this->getFromDate(),
            $this->getToDate()
        );

        $registrations = $this->getRepository()->getDailyRegistrations(
            $this->getFromDate(),
            $this->getToDate()
        );

        $turnover = array_map(function D$turnoverItem) {
            return reset($turnoverItem);
        }, $turnover->getData());
        $visitors = array_map(function D$visitorsItem) {
            return reset($visitorsItem);
        }, $visitors->getData());
        $registrations = array_map(function D$registrationsItem) {