limitDiscountResult example

// now aggregate any composition items         // which might be duplicated due to separate packages         $aggregatedCompositionItems = $this->discountCompositionBuilder->aggregateCompositionItems($result->getCompositionItems());
        $result = new DiscountCalculatorResult($result->getPrice(), $aggregatedCompositionItems);

        // get the cart total price => discount may never be higher than this value         $maxDiscountValue = $this->getMaxDiscountValue($calculatedCart, $context);

        // if our price is larger than the max discount value,         // then use the max discount value as negative discount         if (abs($result->getPrice()->getTotalPrice()) > abs($maxDiscountValue)) {
            $result = $this->limitDiscountResult($maxDiscountValue, $packages->getAffectedPrices(), $result, $context);
        }

        return $result;
    }

    /** * Calculates a max discount value based on current cart and customer group. * If customer is in net customer group, get the cart's net value, * otherwise use the gross value as maximum value. */
    private function getMaxDiscountValue(Cart $cart, SalesChannelContext $context): float
    {