/**
* @param PromotionInterface $promotion
* @param int $discount
* @param array $configuration
*/
private function createUnitPercentagePromotion(PromotionInterface $promotion, $discount, array $configuration = [], $rule = null)
{
$this->persistPromotion($promotion, $this->actionFactory->createUnitPercentageDiscount($discount), $configuration, $rule);
}
