/**
  * Sends order creditmemo email to the customer.
  *
  * Email will be sent immediately in two cases:
  *
  * - if asynchronous email sending is disabled in global settings
  * - if $forceSyncMode parameter is set to TRUE
  *
  * Otherwise, email will be sent later during running of
  * corresponding cron job.
  *
  * @param Creditmemo $creditmemo
  * @param bool $forceSyncMode
  * @return bool
  */
 public function send(Creditmemo $creditmemo, $forceSyncMode = false)
 {
     $creditmemo->setSendEmail(true);
     if (!$this->globalConfig->getValue('sales_email/general/async_sending') || $forceSyncMode) {
         $order = $creditmemo->getOrder();
         $transport = ['order' => $order, 'creditmemo' => $creditmemo, 'comment' => $creditmemo->getCustomerNoteNotify() ? $creditmemo->getCustomerNote() : '', 'billing' => $order->getBillingAddress(), 'payment_html' => $this->getPaymentHtml($order), 'store' => $order->getStore(), 'formattedShippingAddress' => $this->getFormattedShippingAddress($order), 'formattedBillingAddress' => $this->getFormattedBillingAddress($order)];
         $this->eventManager->dispatch('email_creditmemo_set_template_vars_before', ['sender' => $this, 'transport' => $transport]);
         $this->templateContainer->setTemplateVars($transport);
         if ($this->checkAndSend($order)) {
             $creditmemo->setEmailSent(true);
             $this->creditmemoResource->saveAttribute($creditmemo, ['send_email', 'email_sent']);
             return true;
         }
     }
     $this->creditmemoResource->saveAttribute($creditmemo, 'send_email');
     return false;
 }