public function validateCartCouponRules(CartCouponOnCheckEvent $event)
    {
        $this
            ->cartCouponRuleValidator
            ->validateCartCouponRules(
                $event->getCart(),
                $event->getCoupon()
            );
    }
public function validateCartCouponRules(CartCouponOnCheckEvent $event)
    {
        $this
            ->cartCouponRuleValidator
            ->validateCartCouponRules(
                $event->getCart(),
                $event->getCoupon()
            );
    }
public function validateCartCouponRules ( CartCouponOnCheckEvent $ event ) { $ this -> cartCouponRuleValidator -> validateCartCouponRules ( $ event -> getCart ( ) , $ event -> getCoupon ( ) ) ; }
Check for the rules required by the coupon.

@param CartCouponOnCheckEvent $event Event
Check for the rules required by the coupon .