/**
  * @param Observer $observer
  * @return void
  * @SuppressWarnings(PHPMD.CyclomaticComplexity)
  */
 public function execute(Observer $observer)
 {
     if ($this->moduleManager->isEnabled('Magento_PageCache') && $this->cacheConfig->isEnabled() && $this->taxHelper->isCatalogPriceDisplayAffectedByTax()) {
         /** @var \Magento\Customer\Model\Data\Customer $customer */
         $customer = $observer->getData('customer');
         $customerGroupId = $customer->getGroupId();
         $customerGroup = $this->groupRepository->getById($customerGroupId);
         $customerTaxClassId = $customerGroup->getTaxClassId();
         $this->customerSession->setCustomerTaxClassId($customerTaxClassId);
         /** @var \Magento\Customer\Api\Data\AddressInterface[] $addresses */
         $addresses = $customer->getAddresses();
         if (isset($addresses)) {
             $defaultShippingFound = false;
             $defaultBillingFound = false;
             foreach ($addresses as $address) {
                 if ($address->isDefaultBilling()) {
                     $defaultBillingFound = true;
                     $this->customerSession->setDefaultTaxBillingAddress(['country_id' => $address->getCountryId(), 'region_id' => $address->getRegion() ? $address->getRegion()->getRegionId() : null, 'postcode' => $address->getPostcode()]);
                 }
                 if ($address->isDefaultShipping()) {
                     $defaultShippingFound = true;
                     $this->customerSession->setDefaultTaxShippingAddress(['country_id' => $address->getCountryId(), 'region_id' => $address->getRegion() ? $address->getRegion()->getRegionId() : null, 'postcode' => $address->getPostcode()]);
                 }
                 if ($defaultShippingFound && $defaultBillingFound) {
                     break;
                 }
             }
         }
     }
 }
 /**
  * After generate Xml
  *
  * @param \Magento\Framework\View\LayoutInterface $subject
  * @param \Magento\Framework\View\LayoutInterface $result
  * @return \Magento\Framework\View\LayoutInterface
  */
 public function afterGenerateXml(\Magento\Framework\View\LayoutInterface $subject, $result)
 {
     if ($this->depersonalizeChecker->checkIfDepersonalize($subject)) {
         $this->customerSession->setDefaultTaxBillingAddress($this->defaultTaxBillingAddress);
         $this->customerSession->setDefaultTaxShippingAddress($this->defaultTaxShippingAddress);
         $this->customerSession->setCustomerTaxClassId($this->customerTaxClassId);
     }
     return $result;
 }