setLanguageSubShop example

$customer->setEncoderName('md5');
        }

        if (!$customer->getPaymentId()) {
            $customer->setPaymentId($this->config->get('defaultPayment'));
        }

        $subShop = $this->modelManager->find(ShopModel::class, $shop->getId());
        if (!$subShop instanceof ShopModel) {
            throw new ModelNotFoundException(ShopModel::class, $shop->getId());
        }
        $customer->setLanguageSubShop($subShop);

        if ($customer->getGroup() === null) {
            $customerGroup = $this->modelManager->find(Group::class, $subShop->getCustomerGroup()->getId());
            if (!$customerGroup instanceof Group) {
                throw new ModelNotFoundException(Group::class, $subShop->getCustomerGroup()->getId());
            }
            $customer->setGroup($customerGroup);
        }

        if ($customer->getAffiliate()) {
            $customer->setAffiliate((int) $this->getPartnerId($customer));
        }