Add missing throws tags

Author: dmytro-ch

app/code/Magento/Sales/Model/Order/Creditmemo/Sender/EmailSender.php

@@ -89,6 +89,7 @@ public function __construct(
      * @param bool $forceSyncMode
      *
      * @return bool
+     * @throws \Exception
      */
     public function send(
         \Magento\Sales\Api\Data\OrderInterface $order,
@@ -145,6 +146,7 @@ public function send(
      * @param \Magento\Sales\Api\Data\OrderInterface $order
      *
      * @return string
+     * @throws \Exception
      */
     private function getPaymentHtml(\Magento\Sales\Api\Data\OrderInterface $order)
     {

app/code/Magento/Sales/Model/Order/Email/Sender/CreditmemoSender.php

@@ -96,6 +96,7 @@ public function __construct(
      * @param Creditmemo $creditmemo
      * @param bool $forceSyncMode
      * @return bool
+     * @throws \Exception
      */
     public function send(Creditmemo $creditmemo, $forceSyncMode = false)
     {
@@ -146,6 +147,7 @@ public function send(Creditmemo $creditmemo, $forceSyncMode = false)
      *
      * @param Order $order
      * @return string
+     * @throws \Exception
      */
     protected function getPaymentHtml(Order $order)
     {

app/code/Magento/Sales/Model/Order/Email/Sender/InvoiceSender.php

@@ -96,6 +96,7 @@ public function __construct(
      * @param Invoice $invoice
      * @param bool $forceSyncMode
      * @return bool
+     * @throws \Exception
      */
     public function send(Invoice $invoice, $forceSyncMode = false)
     {
@@ -146,6 +147,7 @@ public function send(Invoice $invoice, $forceSyncMode = false)
      *
      * @param Order $order
      * @return string
+     * @throws \Exception
      */
     protected function getPaymentHtml(Order $order)
     {

app/code/Magento/Sales/Model/Order/Email/Sender/ShipmentSender.php

@@ -96,6 +96,7 @@ public function __construct(
      * @param Shipment $shipment
      * @param bool $forceSyncMode
      * @return bool
+     * @throws \Exception
      */
     public function send(Shipment $shipment, $forceSyncMode = false)
     {
@@ -146,6 +147,7 @@ public function send(Shipment $shipment, $forceSyncMode = false)
      *
      * @param Order $order
      * @return string
+     * @throws \Exception
      */
     protected function getPaymentHtml(Order $order)
     {

app/code/Magento/Sales/Model/Order/Invoice/Sender/EmailSender.php

@@ -89,6 +89,7 @@ public function __construct(
      * @param bool $forceSyncMode
      *
      * @return bool
+     * @throws \Exception
      */
     public function send(
         \Magento\Sales\Api\Data\OrderInterface $order,
@@ -145,6 +146,7 @@ public function send(
      * @param \Magento\Sales\Api\Data\OrderInterface $order
      *
      * @return string
+     * @throws \Exception
      */
     private function getPaymentHtml(\Magento\Sales\Api\Data\OrderInterface $order)
     {

app/code/Magento/Sales/Model/Order/Shipment/Sender/EmailSender.php

@@ -89,6 +89,7 @@ public function __construct(
      * @param bool $forceSyncMode
      *
      * @return bool
+     * @throws \Exception
      */
     public function send(
         \Magento\Sales\Api\Data\OrderInterface $order,
@@ -145,6 +146,7 @@ public function send(
      * @param \Magento\Sales\Api\Data\OrderInterface $order
      *
      * @return string
+     * @throws \Exception
      */
     private function getPaymentHtml(\Magento\Sales\Api\Data\OrderInterface $order)
     {