createFromCheapestPrice example

$prices = $product->get('calculatedPrices');

            $hasRange = $prices instanceof CalculatedPriceCollection && $prices->count() > 1;

            $calculated->setHasRange($hasRange);

            $product->assign(['calculatedCheapestPrice' => $calculated]);

            return;
        }

        $reference = ReferencePriceDto::createFromCheapestPrice($cheapest);

        $definition = $this->buildDefinition($product, $cheapest->getPrice(), $context, $units, $reference);

        $calculated = CalculatedCheapestPrice::createFrom(
            $this->calculator->calculate($definition, $context)
        );
        $calculated->setVariantId($cheapest->getVariantId());

        $calculated->setHasRange($cheapest->hasRange());

        $product->assign(['calculatedCheapestPrice' => $calculated]);
    }