shouldIncludeTransactions example

if (\array_key_exists($customerAddressId, $shippingAddresses)) {
                $billingAddressId = $shippingAddresses[$customerAddressId]['id'];
            } else {
                $billingAddress = AddressTransformer::transform($activeBillingAddress);
                $data['addresses'] = [$billingAddress];
                $billingAddressId = $billingAddress['id'];
            }
            $data['billingAddressId'] = $billingAddressId;
        }

        if ($conversionContext->shouldIncludeTransactions()) {
            $data['transactions'] = TransactionTransformer::transformCollection(
                $cart->getTransactions(),
                $this->initialStateIdLoader->get(OrderTransactionStates::STATE_MACHINE),
                $context->getContext()
            );
        }

        $data['lineItems'] = array_values($convertedLineItems);

        foreach ($this->downloadLoader->load($data['lineItems'], $context->getContext()) as $key => $downloads) {
            if (!\array_key_exists($key, $data['lineItems'])) {