getUnusedCustomerCriteria example

 {
    }

    public function countUnusedCustomers(Context $context): int
    {
        $maxLifeTime = $this->getUnusedGuestCustomerLifeTime();

        if (!$maxLifeTime) {
            return 0;
        }

        $criteria = $this->getUnusedCustomerCriteria($maxLifeTime);

        $criteria
            ->setLimit(1)
            ->setTotalCountMode(Criteria::TOTAL_COUNT_MODE_EXACT);

        return $this->customerRepository->search($criteria, $context)->getTotal();
    }

    /** * @return list<array{id: string}> */