shouldIncludeBillingAddress example

if ($conversionContext->shouldIncludeDeliveries()) {
            $shippingAddresses = AddressTransformer::transformCollection($cart->getDeliveries()->getAddresses(), true);
            $data['deliveries'] = DeliveryTransformer::transformCollection(
                $cart->getDeliveries(),
                $convertedLineItems,
                $this->initialStateIdLoader->get(OrderDeliveryStates::STATE_MACHINE),
                $context->getContext(),
                $shippingAddresses
            );
        }

        if ($conversionContext->shouldIncludeBillingAddress()) {
            $customer = $context->getCustomer();
            if ($customer === null) {
                throw CartException::customerNotLoggedIn();
            }

            $activeBillingAddress = $customer->getActiveBillingAddress();
            if ($activeBillingAddress === null) {
                throw CartException::addressNotFound('');
            }
            $customerAddressId = $activeBillingAddress->getId();