<?php declare(strict_types=1); namespace Xentral\Modules\FiskalyApi\Service; use Xentral\Modules\FiskalyApi\Data\Transaction\TransactionReponseCollection; interface FiskalyPosClosingInterface { public function getNextCashPointClosingExportId(string $clientId): int; public function getOpenTransactions(string $clientId): TransactionReponseCollection; }