<?php

namespace App\Repository\Billing;

use App\Entity\Billing;
use App\Service\DataGrid\DataGridInterface;

interface BillingRepositoryInterface
{
    /**
     * @param int $id
     *
     * @return Billing
     */
    public function findById(int $id): ?Billing;

    /**
     * @param Billing $billing
     */
    public function save(Billing $billing): void;

    /**
     * @param Billing $billing
     */
    public function delete(Billing $billing): void;

    public function aggregateByGrid(DataGridInterface $dataGrid): ?array;
}