New-OMIS/Modules/Admin/app/Repositories/PromotionDemotionInterface.php

<?php

namespace Modules\Admin\Repositories;

interface PromotionDemotionInterface
{
    public function findAll();
    public function getPromotionDemotionById($promotionDemotionId);
    public function delete($promotionDemotionId);
    public function create(array $promotionDemotionDetails);
    public function update($promotionDemotionId, array $newDetails);
}