Merge remote-tracking branch 'main/develop' into MAGETWO-32004

Author: dkvashninbay

.htaccess

@@ -188,4 +188,4 @@
 ## If running in cluster environment, uncomment this
 ## http://developer.yahoo.com/performance/rules.html#etags
 
-    #FileETag none
+    #FileETag none

app/code/Magento/Quote/Api/BillingAddressManagementInterface.php

@@ -5,6 +5,10 @@
  */
 namespace Magento\Quote\Api;
 
+/**
+ * Interface BillingAddressManagementInterface
+ * @api
+ */
 interface BillingAddressManagementInterface
 {
     /**

app/code/Magento/Quote/Api/CartItemRepositoryInterface.php

@@ -5,6 +5,10 @@
  */
 namespace Magento\Quote\Api;
 
+/**
+ * Interface CartItemRepositoryInterface
+ * @api
+ */
 interface CartItemRepositoryInterface
 {
     /**

app/code/Magento/Quote/Api/CartManagementInterface.php

@@ -7,6 +7,10 @@
 
 use Magento\Quote\Api\Data\PaymentInterface;
 
+/**
+ * Interface CartManagementInterface
+ * @api
+ */
 interface CartManagementInterface
 {
     /**

app/code/Magento/Quote/Api/CartRepositoryInterface.php

@@ -5,6 +5,10 @@
  */
 namespace Magento\Quote\Api;
 
+/**
+ * Interface CartRepositoryInterface
+ * @api
+ */
 interface CartRepositoryInterface
 {
     /**

app/code/Magento/Quote/Api/CartTotalRepositoryInterface.php

@@ -5,6 +5,10 @@
  */
 namespace Magento\Quote\Api;
 
+/**
+ * Interface CartTotalRepositoryInterface
+ * @api
+ */
 interface CartTotalRepositoryInterface
 {
     /**

app/code/Magento/Quote/Api/CouponManagementInterface.php

@@ -9,6 +9,7 @@
 
 /**
  * Coupon management service interface.
+ * @api
  */
 interface CouponManagementInterface
 {

app/code/Magento/Quote/Api/Data/AddressInterface.php

@@ -5,6 +5,10 @@
  */
 namespace Magento\Quote\Api\Data;
 
+/**
+ * Interface AddressInterface
+ * @api
+ */
 interface AddressInterface extends \Magento\Framework\Api\CustomAttributesDataInterface
 {
     /**#@+

app/code/Magento/Quote/Api/Data/CartInterface.php

@@ -5,6 +5,10 @@
  */
 namespace Magento\Quote\Api\Data;
 
+/**
+ * Interface CartInterface
+ * @api
+ */
 interface CartInterface extends \Magento\Framework\Api\ExtensibleDataInterface
 {
     /**#@+

app/code/Magento/Quote/Api/Data/CartItemInterface.php

@@ -5,6 +5,10 @@
  */
 namespace Magento\Quote\Api\Data;
 
+/**
+ * Interface CartItemInterface
+ * @api
+ */
 interface CartItemInterface extends \Magento\Framework\Api\ExtensibleDataInterface
 {
     /**#@+