From 6a27f7336aae294a51f7d568d8e2320afeebb3bb Mon Sep 17 00:00:00 2001
From: Vitaliy Prokopoov <v.prokopov@atwix.com>
Date: Thu, 11 Feb 2021 13:26:43 +0200
Subject: [PATCH 1/5] Marked classes and interfaces as API

---
 app/code/Magento/Customer/Controller/RegistryConstants.php  | 1 +
 app/code/Magento/Customer/Model/Context.php                 | 5 +++++
 .../Sales/Model/ResourceModel/Order/Collection/Factory.php  | 5 +++++
 .../Magento/Shipping/Model/Carrier/CarrierInterface.php     | 1 +
 app/code/Magento/Ui/Component/Layout/Tabs/TabInterface.php  | 2 ++
 app/code/Magento/Widget/Block/BlockInterface.php            | 1 +
 lib/internal/Magento/Framework/Api/AbstractSimpleObject.php | 2 ++
 .../Magento/Framework/App/Action/HttpGetActionInterface.php | 6 +++++-
 .../Framework/App/Action/HttpPostActionInterface.php        | 2 ++
 .../Magento/Framework/App/CsrfAwareActionInterface.php      | 2 ++
 .../Magento/Framework/App/Filesystem/DirectoryList.php      | 2 ++
 lib/internal/Magento/Framework/App/Http/Context.php         | 2 ++
 .../Magento/Framework/App/Response/Http/FileFactory.php     | 2 ++
 .../Magento/Framework/App/Response/RedirectInterface.php    | 1 +
 .../Magento/Framework/Controller/Result/JsonFactory.php     | 2 ++
 lib/internal/Magento/Framework/Controller/Result/Raw.php    | 2 ++
 lib/internal/Magento/Framework/Data/FormFactory.php         | 2 ++
 lib/internal/Magento/Framework/DataObject/Factory.php       | 5 +++++
 .../Magento/Framework/DataObject/IdentityInterface.php      | 2 ++
 lib/internal/Magento/Framework/Event/ManagerInterface.php   | 1 +
 lib/internal/Magento/Framework/Filesystem/DirectoryList.php | 2 ++
 lib/internal/Magento/Framework/Logger/Handler/Base.php      | 2 ++
 lib/internal/Magento/Framework/View/Element/Html/Select.php | 2 ++
 .../Framework/View/Element/UiComponent/ContextInterface.php | 2 ++
 .../Element/UiComponent/Control/ButtonProviderInterface.php | 2 ++
 .../View/Element/UiComponent/DataProvider/DataProvider.php  | 2 ++
 .../View/Element/UiComponent/DataProvider/SearchResult.php  | 1 +
 lib/internal/Magento/Framework/View/LayoutFactory.php       | 2 ++
 28 files changed, 62 insertions(+), 1 deletion(-)

diff --git a/app/code/Magento/Customer/Controller/RegistryConstants.php b/app/code/Magento/Customer/Controller/RegistryConstants.php
index b56acc634f4c6..f67ad656004e3 100644
--- a/app/code/Magento/Customer/Controller/RegistryConstants.php
+++ b/app/code/Magento/Customer/Controller/RegistryConstants.php
@@ -8,6 +8,7 @@
 /**
  * Declarations of core registry keys used by the Customer module
  *
+ * @api
  */
 class RegistryConstants
 {
diff --git a/app/code/Magento/Customer/Model/Context.php b/app/code/Magento/Customer/Model/Context.php
index 63d1fc36b4539..8ea889be7227d 100644
--- a/app/code/Magento/Customer/Model/Context.php
+++ b/app/code/Magento/Customer/Model/Context.php
@@ -5,6 +5,11 @@
  */
 namespace Magento\Customer\Model;
 
+/**
+ * Class Context
+ *
+ * @api
+ */
 class Context
 {
     /**
diff --git a/app/code/Magento/Sales/Model/ResourceModel/Order/Collection/Factory.php b/app/code/Magento/Sales/Model/ResourceModel/Order/Collection/Factory.php
index 46311a2cea31b..7bd61f4dec404 100644
--- a/app/code/Magento/Sales/Model/ResourceModel/Order/Collection/Factory.php
+++ b/app/code/Magento/Sales/Model/ResourceModel/Order/Collection/Factory.php
@@ -5,6 +5,11 @@
  */
 namespace Magento\Sales\Model\ResourceModel\Order\Collection;
 
+/**
+ * Class Factory
+ *
+ * @api
+ */
 class Factory
 {
     /**
diff --git a/app/code/Magento/Shipping/Model/Carrier/CarrierInterface.php b/app/code/Magento/Shipping/Model/Carrier/CarrierInterface.php
index 0cdbd5c078567..01e231a7c8b71 100644
--- a/app/code/Magento/Shipping/Model/Carrier/CarrierInterface.php
+++ b/app/code/Magento/Shipping/Model/Carrier/CarrierInterface.php
@@ -8,6 +8,7 @@
 /**
  * Interface \Magento\Shipping\Model\Carrier\CarrierInterface
  *
+ * @api
  */
 interface CarrierInterface
 {
diff --git a/app/code/Magento/Ui/Component/Layout/Tabs/TabInterface.php b/app/code/Magento/Ui/Component/Layout/Tabs/TabInterface.php
index 318e729975211..bf977d33ad7e8 100644
--- a/app/code/Magento/Ui/Component/Layout/Tabs/TabInterface.php
+++ b/app/code/Magento/Ui/Component/Layout/Tabs/TabInterface.php
@@ -7,6 +7,8 @@
 
 /**
  * Interface TabInterface
+ *
+ * @api
  */
 interface TabInterface
 {
diff --git a/app/code/Magento/Widget/Block/BlockInterface.php b/app/code/Magento/Widget/Block/BlockInterface.php
index 4f795d949b8cd..e73bf2bef052f 100644
--- a/app/code/Magento/Widget/Block/BlockInterface.php
+++ b/app/code/Magento/Widget/Block/BlockInterface.php
@@ -8,6 +8,7 @@
  * Widget Block Interface
  *
  * @author      Magento Core Team <core@magentocommerce.com>
+ * @api
  */
 namespace Magento\Widget\Block;
 
diff --git a/lib/internal/Magento/Framework/Api/AbstractSimpleObject.php b/lib/internal/Magento/Framework/Api/AbstractSimpleObject.php
index 9cc0ddab3bfcb..7483b1fec58c2 100644
--- a/lib/internal/Magento/Framework/Api/AbstractSimpleObject.php
+++ b/lib/internal/Magento/Framework/Api/AbstractSimpleObject.php
@@ -8,6 +8,8 @@
 /**
  * Base Class for simple data Objects
  * @SuppressWarnings(PHPMD.NumberOfChildren)
+ *
+ * @api
  */
 abstract class AbstractSimpleObject
 {
diff --git a/lib/internal/Magento/Framework/App/Action/HttpGetActionInterface.php b/lib/internal/Magento/Framework/App/Action/HttpGetActionInterface.php
index c3d3d2d6fd5ec..8604758cae0d7 100644
--- a/lib/internal/Magento/Framework/App/Action/HttpGetActionInterface.php
+++ b/lib/internal/Magento/Framework/App/Action/HttpGetActionInterface.php
@@ -8,10 +8,14 @@
 
 namespace Magento\Framework\App\Action;
 
+use Magento\Framework\App\ActionInterface;
+
 /**
  * Marker for actions processing GET requests.
+ *
+ * @api
  */
-interface HttpGetActionInterface extends HttpHeadActionInterface
+interface HttpGetActionInterface extends ActionInterface
 {
 
 }
diff --git a/lib/internal/Magento/Framework/App/Action/HttpPostActionInterface.php b/lib/internal/Magento/Framework/App/Action/HttpPostActionInterface.php
index a4b87ecfe8452..42edc14bb047a 100644
--- a/lib/internal/Magento/Framework/App/Action/HttpPostActionInterface.php
+++ b/lib/internal/Magento/Framework/App/Action/HttpPostActionInterface.php
@@ -12,6 +12,8 @@
 
 /**
  * Marker for actions processing POST requests.
+ *
+ * @api
  */
 interface HttpPostActionInterface extends ActionInterface
 {
diff --git a/lib/internal/Magento/Framework/App/CsrfAwareActionInterface.php b/lib/internal/Magento/Framework/App/CsrfAwareActionInterface.php
index 8413b945a1141..c3684fd128eae 100644
--- a/lib/internal/Magento/Framework/App/CsrfAwareActionInterface.php
+++ b/lib/internal/Magento/Framework/App/CsrfAwareActionInterface.php
@@ -12,6 +12,8 @@
 
 /**
  * Action that's aware of CSRF protection.
+ *
+ * @api
  */
 interface CsrfAwareActionInterface extends ActionInterface
 {
diff --git a/lib/internal/Magento/Framework/App/Filesystem/DirectoryList.php b/lib/internal/Magento/Framework/App/Filesystem/DirectoryList.php
index ce150b00a6665..95b649d4a22f6 100644
--- a/lib/internal/Magento/Framework/App/Filesystem/DirectoryList.php
+++ b/lib/internal/Magento/Framework/App/Filesystem/DirectoryList.php
@@ -9,6 +9,8 @@
 
 /**
  * A Magento application specific list of directories
+ *
+ * @api
  */
 class DirectoryList extends \Magento\Framework\Filesystem\DirectoryList
 {
diff --git a/lib/internal/Magento/Framework/App/Http/Context.php b/lib/internal/Magento/Framework/App/Http/Context.php
index 79a15110234cd..c2993444ee5ed 100644
--- a/lib/internal/Magento/Framework/App/Http/Context.php
+++ b/lib/internal/Magento/Framework/App/Http/Context.php
@@ -10,6 +10,8 @@
 
 /**
  * Context data for requests
+ *
+ * @api
  */
 class Context
 {
diff --git a/lib/internal/Magento/Framework/App/Response/Http/FileFactory.php b/lib/internal/Magento/Framework/App/Response/Http/FileFactory.php
index d599f91ca8ca4..a54a19aa9907b 100644
--- a/lib/internal/Magento/Framework/App/Response/Http/FileFactory.php
+++ b/lib/internal/Magento/Framework/App/Response/Http/FileFactory.php
@@ -11,6 +11,8 @@
 
 /**
  * Class FileFactory serves to declare file content in response for download.
+ *
+ * @api
  */
 class FileFactory
 {
diff --git a/lib/internal/Magento/Framework/App/Response/RedirectInterface.php b/lib/internal/Magento/Framework/App/Response/RedirectInterface.php
index 74a05761b5cbd..085e2cc1cf860 100644
--- a/lib/internal/Magento/Framework/App/Response/RedirectInterface.php
+++ b/lib/internal/Magento/Framework/App/Response/RedirectInterface.php
@@ -10,6 +10,7 @@
 /**
  * Interface \Magento\Framework\App\Response\RedirectInterface
  *
+ * @api
  */
 interface RedirectInterface
 {
diff --git a/lib/internal/Magento/Framework/Controller/Result/JsonFactory.php b/lib/internal/Magento/Framework/Controller/Result/JsonFactory.php
index 0afc715f8f379..1d315df8babdd 100644
--- a/lib/internal/Magento/Framework/Controller/Result/JsonFactory.php
+++ b/lib/internal/Magento/Framework/Controller/Result/JsonFactory.php
@@ -8,6 +8,8 @@
 
 /**
  * Factory class for @see \Magento\Framework\Controller\Result\Json
+ *
+ * @api
  */
 class JsonFactory
 {
diff --git a/lib/internal/Magento/Framework/Controller/Result/Raw.php b/lib/internal/Magento/Framework/Controller/Result/Raw.php
index 6355029af4da5..b4a8d7970ed6a 100644
--- a/lib/internal/Magento/Framework/Controller/Result/Raw.php
+++ b/lib/internal/Magento/Framework/Controller/Result/Raw.php
@@ -12,6 +12,8 @@
 /**
  * A result that contains raw response - may be good for passing through files,
  * returning result of downloads or some other binary contents
+ *
+ * @api
  */
 class Raw extends AbstractResult
 {
diff --git a/lib/internal/Magento/Framework/Data/FormFactory.php b/lib/internal/Magento/Framework/Data/FormFactory.php
index ce8d39aa1f23a..eaf98903e64bb 100644
--- a/lib/internal/Magento/Framework/Data/FormFactory.php
+++ b/lib/internal/Magento/Framework/Data/FormFactory.php
@@ -8,6 +8,8 @@
 
 /**
  * Form factory class
+ *
+ * @api
  */
 class FormFactory
 {
diff --git a/lib/internal/Magento/Framework/DataObject/Factory.php b/lib/internal/Magento/Framework/DataObject/Factory.php
index 2fd16b7159c4f..3572710bb89af 100644
--- a/lib/internal/Magento/Framework/DataObject/Factory.php
+++ b/lib/internal/Magento/Framework/DataObject/Factory.php
@@ -5,6 +5,11 @@
  */
 namespace Magento\Framework\DataObject;
 
+/**
+ * Class Factory
+ *
+ * @api
+ */
 class Factory
 {
     /**
diff --git a/lib/internal/Magento/Framework/DataObject/IdentityInterface.php b/lib/internal/Magento/Framework/DataObject/IdentityInterface.php
index 42bc9c570b128..12637043a0644 100644
--- a/lib/internal/Magento/Framework/DataObject/IdentityInterface.php
+++ b/lib/internal/Magento/Framework/DataObject/IdentityInterface.php
@@ -9,6 +9,8 @@
  * Interface for
  * 1. models which require cache refresh when it is created/updated/deleted
  * 2. blocks which render this information to front-end
+ *
+ * @api
  */
 interface IdentityInterface
 {
diff --git a/lib/internal/Magento/Framework/Event/ManagerInterface.php b/lib/internal/Magento/Framework/Event/ManagerInterface.php
index 20d01c6a0f099..ce1a70b2148b8 100644
--- a/lib/internal/Magento/Framework/Event/ManagerInterface.php
+++ b/lib/internal/Magento/Framework/Event/ManagerInterface.php
@@ -8,6 +8,7 @@
 /**
  * Interface \Magento\Framework\Event\ManagerInterface
  *
+ * @api
  */
 interface ManagerInterface
 {
diff --git a/lib/internal/Magento/Framework/Filesystem/DirectoryList.php b/lib/internal/Magento/Framework/Filesystem/DirectoryList.php
index b3ab51b948109..6cdcf3f62ebbb 100644
--- a/lib/internal/Magento/Framework/Filesystem/DirectoryList.php
+++ b/lib/internal/Magento/Framework/Filesystem/DirectoryList.php
@@ -21,6 +21,8 @@
  * This object is intended to be immutable (a "value object").
  * The defaults are pre-defined and can be modified only by inheritors of this class.
  * Through the constructor, it is possible to inject custom paths or URL paths, but impossible to inject new types.
+ *
+ * @api
  */
 class DirectoryList
 {
diff --git a/lib/internal/Magento/Framework/Logger/Handler/Base.php b/lib/internal/Magento/Framework/Logger/Handler/Base.php
index 07dfd3f0963ab..202a4f704d029 100644
--- a/lib/internal/Magento/Framework/Logger/Handler/Base.php
+++ b/lib/internal/Magento/Framework/Logger/Handler/Base.php
@@ -13,6 +13,8 @@
 
 /**
  * Base stream handler
+ *
+ * @api
  */
 class Base extends StreamHandler
 {
diff --git a/lib/internal/Magento/Framework/View/Element/Html/Select.php b/lib/internal/Magento/Framework/View/Element/Html/Select.php
index 09b5d7f2e821c..79073babbe0c9 100644
--- a/lib/internal/Magento/Framework/View/Element/Html/Select.php
+++ b/lib/internal/Magento/Framework/View/Element/Html/Select.php
@@ -7,6 +7,8 @@
 
 /**
  * HTML select element block
+ *
+ * @api
  */
 class Select extends \Magento\Framework\View\Element\AbstractBlock
 {
diff --git a/lib/internal/Magento/Framework/View/Element/UiComponent/ContextInterface.php b/lib/internal/Magento/Framework/View/Element/UiComponent/ContextInterface.php
index fca2abeb3ea45..78393e661d609 100644
--- a/lib/internal/Magento/Framework/View/Element/UiComponent/ContextInterface.php
+++ b/lib/internal/Magento/Framework/View/Element/UiComponent/ContextInterface.php
@@ -13,6 +13,8 @@
 
 /**
  * Interface ContextInterface
+ *
+ * @api
  */
 interface ContextInterface
 {
diff --git a/lib/internal/Magento/Framework/View/Element/UiComponent/Control/ButtonProviderInterface.php b/lib/internal/Magento/Framework/View/Element/UiComponent/Control/ButtonProviderInterface.php
index df00c87db034d..eab6dbfae1122 100644
--- a/lib/internal/Magento/Framework/View/Element/UiComponent/Control/ButtonProviderInterface.php
+++ b/lib/internal/Magento/Framework/View/Element/UiComponent/Control/ButtonProviderInterface.php
@@ -7,6 +7,8 @@
 
 /**
  * Interface ButtonProviderInterface
+ *
+ * @api
  */
 interface ButtonProviderInterface
 {
diff --git a/lib/internal/Magento/Framework/View/Element/UiComponent/DataProvider/DataProvider.php b/lib/internal/Magento/Framework/View/Element/UiComponent/DataProvider/DataProvider.php
index baa4e94eed978..f85f8b19a395d 100644
--- a/lib/internal/Magento/Framework/View/Element/UiComponent/DataProvider/DataProvider.php
+++ b/lib/internal/Magento/Framework/View/Element/UiComponent/DataProvider/DataProvider.php
@@ -14,6 +14,8 @@
 
 /**
  * Class DataProvider
+ *
+ * @api
  */
 class DataProvider implements DataProviderInterface
 {
diff --git a/lib/internal/Magento/Framework/View/Element/UiComponent/DataProvider/SearchResult.php b/lib/internal/Magento/Framework/View/Element/UiComponent/DataProvider/SearchResult.php
index 32334e89c5876..69439ddbc9b1d 100644
--- a/lib/internal/Magento/Framework/View/Element/UiComponent/DataProvider/SearchResult.php
+++ b/lib/internal/Magento/Framework/View/Element/UiComponent/DataProvider/SearchResult.php
@@ -19,6 +19,7 @@
  * Class SearchResult
  * Generic Search Result
  * @SuppressWarnings(PHPMD.CouplingBetweenObjects)
+ * @api
  */
 class SearchResult extends AbstractCollection implements Api\Search\SearchResultInterface
 {
diff --git a/lib/internal/Magento/Framework/View/LayoutFactory.php b/lib/internal/Magento/Framework/View/LayoutFactory.php
index b33a97cfaad80..f2694684363bf 100644
--- a/lib/internal/Magento/Framework/View/LayoutFactory.php
+++ b/lib/internal/Magento/Framework/View/LayoutFactory.php
@@ -7,6 +7,8 @@
 
 /**
  * Factory class for Layout
+ *
+ * @api
  */
 class LayoutFactory
 {

From 3357698831beab953c62aa0128a5162c8e384ef5 Mon Sep 17 00:00:00 2001
From: Vitaliy Prokopoov <v.prokopov@atwix.com>
Date: Wed, 3 Mar 2021 14:56:32 +0200
Subject: [PATCH 2/5] Marked related class as a[i

---
 .../Magento/Framework/App/Request/InvalidRequestException.php   | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/internal/Magento/Framework/App/Request/InvalidRequestException.php b/lib/internal/Magento/Framework/App/Request/InvalidRequestException.php
index e15a5151942f0..1f7b959a37eba 100644
--- a/lib/internal/Magento/Framework/App/Request/InvalidRequestException.php
+++ b/lib/internal/Magento/Framework/App/Request/InvalidRequestException.php
@@ -16,6 +16,8 @@
 
 /**
  * Received request is invalid.
+ *
+ * @api
  */
 class InvalidRequestException extends RuntimeException
 {

From 56604cfbc7283fb1fef6100340465f714a32fb13 Mon Sep 17 00:00:00 2001
From: Vitaliy Prokopoov <v.prokopov@atwix.com>
Date: Tue, 9 Mar 2021 09:42:02 +0200
Subject: [PATCH 3/5] Removed old annotation

---
 app/code/Magento/Widget/Block/BlockInterface.php | 1 -
 1 file changed, 1 deletion(-)

diff --git a/app/code/Magento/Widget/Block/BlockInterface.php b/app/code/Magento/Widget/Block/BlockInterface.php
index e73bf2bef052f..7646fbcffafe3 100644
--- a/app/code/Magento/Widget/Block/BlockInterface.php
+++ b/app/code/Magento/Widget/Block/BlockInterface.php
@@ -7,7 +7,6 @@
 /**
  * Widget Block Interface
  *
- * @author      Magento Core Team <core@magentocommerce.com>
  * @api
  */
 namespace Magento\Widget\Block;

From df71acc7041bd6106a1f8b74b781478ac16a8230 Mon Sep 17 00:00:00 2001
From: Vitaliy Prokopoov <v.prokopov@atwix.com>
Date: Tue, 9 Mar 2021 09:44:05 +0200
Subject: [PATCH 4/5] Reverted changes for http get action

---
 .../Magento/Framework/App/Action/HttpGetActionInterface.php   | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/lib/internal/Magento/Framework/App/Action/HttpGetActionInterface.php b/lib/internal/Magento/Framework/App/Action/HttpGetActionInterface.php
index 8604758cae0d7..f9a07b927ddd9 100644
--- a/lib/internal/Magento/Framework/App/Action/HttpGetActionInterface.php
+++ b/lib/internal/Magento/Framework/App/Action/HttpGetActionInterface.php
@@ -8,14 +8,12 @@
 
 namespace Magento\Framework\App\Action;
 
-use Magento\Framework\App\ActionInterface;
-
 /**
  * Marker for actions processing GET requests.
  *
  * @api
  */
-interface HttpGetActionInterface extends ActionInterface
+interface HttpGetActionInterface extends HttpHeadActionInterface
 {
 
 }

From 22f31068c6e10214ff7a00a4b109f31d4313a3ef Mon Sep 17 00:00:00 2001
From: Vitaliy Prokopoov <v.prokopov@atwix.com>
Date: Mon, 15 Mar 2021 09:24:16 +0200
Subject: [PATCH 5/5] added strict types for classes

---
 app/code/Magento/Customer/Controller/RegistryConstants.php      | 2 ++
 app/code/Magento/Customer/Model/Context.php                     | 2 ++
 .../Sales/Model/ResourceModel/Order/Collection/Factory.php      | 2 ++
 app/code/Magento/Shipping/Model/Carrier/CarrierInterface.php    | 2 ++
 app/code/Magento/Ui/Component/Layout/Tabs/TabInterface.php      | 2 ++
 app/code/Magento/Widget/Block/BlockInterface.php                | 1 +
 lib/internal/Magento/Framework/Api/AbstractSimpleObject.php     | 2 ++
 lib/internal/Magento/Framework/App/Filesystem/DirectoryList.php | 2 ++
 lib/internal/Magento/Framework/App/Http/Context.php             | 2 ++
 .../Magento/Framework/App/Response/RedirectInterface.php        | 2 ++
 .../Magento/Framework/Controller/Result/JsonFactory.php         | 1 +
 lib/internal/Magento/Framework/Controller/Result/Raw.php        | 1 +
 lib/internal/Magento/Framework/Data/FormFactory.php             | 1 +
 lib/internal/Magento/Framework/DataObject/Factory.php           | 2 ++
 lib/internal/Magento/Framework/DataObject/IdentityInterface.php | 2 ++
 lib/internal/Magento/Framework/Event/ManagerInterface.php       | 2 ++
 lib/internal/Magento/Framework/Filesystem/DirectoryList.php     | 1 +
 lib/internal/Magento/Framework/Logger/Handler/Base.php          | 1 +
 lib/internal/Magento/Framework/View/Element/Html/Select.php     | 2 ++
 .../Framework/View/Element/UiComponent/ContextInterface.php     | 2 ++
 .../Element/UiComponent/Control/ButtonProviderInterface.php     | 2 ++
 .../View/Element/UiComponent/DataProvider/DataProvider.php      | 2 ++
 .../View/Element/UiComponent/DataProvider/SearchResult.php      | 1 +
 lib/internal/Magento/Framework/View/LayoutFactory.php           | 2 ++
 24 files changed, 41 insertions(+)

diff --git a/app/code/Magento/Customer/Controller/RegistryConstants.php b/app/code/Magento/Customer/Controller/RegistryConstants.php
index f67ad656004e3..b89c2d003160d 100644
--- a/app/code/Magento/Customer/Controller/RegistryConstants.php
+++ b/app/code/Magento/Customer/Controller/RegistryConstants.php
@@ -3,6 +3,8 @@
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
+declare(strict_types=1);
+
 namespace Magento\Customer\Controller;
 
 /**
diff --git a/app/code/Magento/Customer/Model/Context.php b/app/code/Magento/Customer/Model/Context.php
index 8ea889be7227d..7b82a3dd98d31 100644
--- a/app/code/Magento/Customer/Model/Context.php
+++ b/app/code/Magento/Customer/Model/Context.php
@@ -3,6 +3,8 @@
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
+declare(strict_types=1);
+
 namespace Magento\Customer\Model;
 
 /**
diff --git a/app/code/Magento/Sales/Model/ResourceModel/Order/Collection/Factory.php b/app/code/Magento/Sales/Model/ResourceModel/Order/Collection/Factory.php
index 7bd61f4dec404..da7ea8ca18bfa 100644
--- a/app/code/Magento/Sales/Model/ResourceModel/Order/Collection/Factory.php
+++ b/app/code/Magento/Sales/Model/ResourceModel/Order/Collection/Factory.php
@@ -3,6 +3,8 @@
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
+declare(strict_types=1);
+
 namespace Magento\Sales\Model\ResourceModel\Order\Collection;
 
 /**
diff --git a/app/code/Magento/Shipping/Model/Carrier/CarrierInterface.php b/app/code/Magento/Shipping/Model/Carrier/CarrierInterface.php
index 01e231a7c8b71..7fc49dd3f9b91 100644
--- a/app/code/Magento/Shipping/Model/Carrier/CarrierInterface.php
+++ b/app/code/Magento/Shipping/Model/Carrier/CarrierInterface.php
@@ -3,6 +3,8 @@
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
+declare(strict_types=1);
+
 namespace Magento\Shipping\Model\Carrier;
 
 /**
diff --git a/app/code/Magento/Ui/Component/Layout/Tabs/TabInterface.php b/app/code/Magento/Ui/Component/Layout/Tabs/TabInterface.php
index bf977d33ad7e8..0eeab9a8204ce 100644
--- a/app/code/Magento/Ui/Component/Layout/Tabs/TabInterface.php
+++ b/app/code/Magento/Ui/Component/Layout/Tabs/TabInterface.php
@@ -3,6 +3,8 @@
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
+declare(strict_types=1);
+
 namespace Magento\Ui\Component\Layout\Tabs;
 
 /**
diff --git a/app/code/Magento/Widget/Block/BlockInterface.php b/app/code/Magento/Widget/Block/BlockInterface.php
index 7646fbcffafe3..556d445bbcdb8 100644
--- a/app/code/Magento/Widget/Block/BlockInterface.php
+++ b/app/code/Magento/Widget/Block/BlockInterface.php
@@ -3,6 +3,7 @@
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
+declare(strict_types=1);
 
 /**
  * Widget Block Interface
diff --git a/lib/internal/Magento/Framework/Api/AbstractSimpleObject.php b/lib/internal/Magento/Framework/Api/AbstractSimpleObject.php
index 7483b1fec58c2..59a01f6f99e13 100644
--- a/lib/internal/Magento/Framework/Api/AbstractSimpleObject.php
+++ b/lib/internal/Magento/Framework/Api/AbstractSimpleObject.php
@@ -3,6 +3,8 @@
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
+declare(strict_types=1);
+
 namespace Magento\Framework\Api;
 
 /**
diff --git a/lib/internal/Magento/Framework/App/Filesystem/DirectoryList.php b/lib/internal/Magento/Framework/App/Filesystem/DirectoryList.php
index 95b649d4a22f6..423719c87c4b6 100644
--- a/lib/internal/Magento/Framework/App/Filesystem/DirectoryList.php
+++ b/lib/internal/Magento/Framework/App/Filesystem/DirectoryList.php
@@ -3,6 +3,8 @@
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
+declare(strict_types=1);
+
 namespace Magento\Framework\App\Filesystem;
 
 use Magento\Framework\Code\Generator\Io;
diff --git a/lib/internal/Magento/Framework/App/Http/Context.php b/lib/internal/Magento/Framework/App/Http/Context.php
index c2993444ee5ed..b3fa5a5cca67b 100644
--- a/lib/internal/Magento/Framework/App/Http/Context.php
+++ b/lib/internal/Magento/Framework/App/Http/Context.php
@@ -3,6 +3,8 @@
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
+declare(strict_types=1);
+
 namespace Magento\Framework\App\Http;
 
 use Magento\Framework\App\ObjectManager;
diff --git a/lib/internal/Magento/Framework/App/Response/RedirectInterface.php b/lib/internal/Magento/Framework/App/Response/RedirectInterface.php
index 085e2cc1cf860..1f7dc56387351 100644
--- a/lib/internal/Magento/Framework/App/Response/RedirectInterface.php
+++ b/lib/internal/Magento/Framework/App/Response/RedirectInterface.php
@@ -5,6 +5,8 @@
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
+declare(strict_types=1);
+
 namespace Magento\Framework\App\Response;
 
 /**
diff --git a/lib/internal/Magento/Framework/Controller/Result/JsonFactory.php b/lib/internal/Magento/Framework/Controller/Result/JsonFactory.php
index 1d315df8babdd..cc54ec44b754c 100644
--- a/lib/internal/Magento/Framework/Controller/Result/JsonFactory.php
+++ b/lib/internal/Magento/Framework/Controller/Result/JsonFactory.php
@@ -3,6 +3,7 @@
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
+declare(strict_types=1);
 
 namespace Magento\Framework\Controller\Result;
 
diff --git a/lib/internal/Magento/Framework/Controller/Result/Raw.php b/lib/internal/Magento/Framework/Controller/Result/Raw.php
index b4a8d7970ed6a..6ccea7b2d0c4f 100644
--- a/lib/internal/Magento/Framework/Controller/Result/Raw.php
+++ b/lib/internal/Magento/Framework/Controller/Result/Raw.php
@@ -3,6 +3,7 @@
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
+declare(strict_types=1);
 
 namespace Magento\Framework\Controller\Result;
 
diff --git a/lib/internal/Magento/Framework/Data/FormFactory.php b/lib/internal/Magento/Framework/Data/FormFactory.php
index eaf98903e64bb..077c23875d4ac 100644
--- a/lib/internal/Magento/Framework/Data/FormFactory.php
+++ b/lib/internal/Magento/Framework/Data/FormFactory.php
@@ -3,6 +3,7 @@
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
+declare(strict_types=1);
 
 namespace Magento\Framework\Data;
 
diff --git a/lib/internal/Magento/Framework/DataObject/Factory.php b/lib/internal/Magento/Framework/DataObject/Factory.php
index 3572710bb89af..6f26433452f89 100644
--- a/lib/internal/Magento/Framework/DataObject/Factory.php
+++ b/lib/internal/Magento/Framework/DataObject/Factory.php
@@ -3,6 +3,8 @@
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
+declare(strict_types=1);
+
 namespace Magento\Framework\DataObject;
 
 /**
diff --git a/lib/internal/Magento/Framework/DataObject/IdentityInterface.php b/lib/internal/Magento/Framework/DataObject/IdentityInterface.php
index 12637043a0644..51f378ea1a3c2 100644
--- a/lib/internal/Magento/Framework/DataObject/IdentityInterface.php
+++ b/lib/internal/Magento/Framework/DataObject/IdentityInterface.php
@@ -3,6 +3,8 @@
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
+declare(strict_types=1);
+
 namespace Magento\Framework\DataObject;
 
 /**
diff --git a/lib/internal/Magento/Framework/Event/ManagerInterface.php b/lib/internal/Magento/Framework/Event/ManagerInterface.php
index ce1a70b2148b8..41b3c70549034 100644
--- a/lib/internal/Magento/Framework/Event/ManagerInterface.php
+++ b/lib/internal/Magento/Framework/Event/ManagerInterface.php
@@ -3,6 +3,8 @@
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
+declare(strict_types=1);
+
 namespace Magento\Framework\Event;
 
 /**
diff --git a/lib/internal/Magento/Framework/Filesystem/DirectoryList.php b/lib/internal/Magento/Framework/Filesystem/DirectoryList.php
index 6cdcf3f62ebbb..7d74c2f127095 100644
--- a/lib/internal/Magento/Framework/Filesystem/DirectoryList.php
+++ b/lib/internal/Magento/Framework/Filesystem/DirectoryList.php
@@ -8,6 +8,7 @@
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
+declare(strict_types=1);
 
 namespace Magento\Framework\Filesystem;
 
diff --git a/lib/internal/Magento/Framework/Logger/Handler/Base.php b/lib/internal/Magento/Framework/Logger/Handler/Base.php
index 202a4f704d029..af385bd6650ed 100644
--- a/lib/internal/Magento/Framework/Logger/Handler/Base.php
+++ b/lib/internal/Magento/Framework/Logger/Handler/Base.php
@@ -3,6 +3,7 @@
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
+declare(strict_types=1);
 
 namespace Magento\Framework\Logger\Handler;
 
diff --git a/lib/internal/Magento/Framework/View/Element/Html/Select.php b/lib/internal/Magento/Framework/View/Element/Html/Select.php
index 79073babbe0c9..723cad9a8b226 100644
--- a/lib/internal/Magento/Framework/View/Element/Html/Select.php
+++ b/lib/internal/Magento/Framework/View/Element/Html/Select.php
@@ -3,6 +3,8 @@
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
+declare(strict_types=1);
+
 namespace Magento\Framework\View\Element\Html;
 
 /**
diff --git a/lib/internal/Magento/Framework/View/Element/UiComponent/ContextInterface.php b/lib/internal/Magento/Framework/View/Element/UiComponent/ContextInterface.php
index 78393e661d609..48d6dee29aa24 100644
--- a/lib/internal/Magento/Framework/View/Element/UiComponent/ContextInterface.php
+++ b/lib/internal/Magento/Framework/View/Element/UiComponent/ContextInterface.php
@@ -3,6 +3,8 @@
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
+declare(strict_types=1);
+
 namespace Magento\Framework\View\Element\UiComponent;
 
 use Magento\Framework\View\Element\UiComponentInterface;
diff --git a/lib/internal/Magento/Framework/View/Element/UiComponent/Control/ButtonProviderInterface.php b/lib/internal/Magento/Framework/View/Element/UiComponent/Control/ButtonProviderInterface.php
index eab6dbfae1122..00395b83082ce 100644
--- a/lib/internal/Magento/Framework/View/Element/UiComponent/Control/ButtonProviderInterface.php
+++ b/lib/internal/Magento/Framework/View/Element/UiComponent/Control/ButtonProviderInterface.php
@@ -3,6 +3,8 @@
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
+declare(strict_types=1);
+
 namespace Magento\Framework\View\Element\UiComponent\Control;
 
 /**
diff --git a/lib/internal/Magento/Framework/View/Element/UiComponent/DataProvider/DataProvider.php b/lib/internal/Magento/Framework/View/Element/UiComponent/DataProvider/DataProvider.php
index f85f8b19a395d..fba50ad2c0b7b 100644
--- a/lib/internal/Magento/Framework/View/Element/UiComponent/DataProvider/DataProvider.php
+++ b/lib/internal/Magento/Framework/View/Element/UiComponent/DataProvider/DataProvider.php
@@ -3,6 +3,8 @@
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
+declare(strict_types=1);
+
 namespace Magento\Framework\View\Element\UiComponent\DataProvider;
 
 use Magento\Framework\Api\FilterBuilder;
diff --git a/lib/internal/Magento/Framework/View/Element/UiComponent/DataProvider/SearchResult.php b/lib/internal/Magento/Framework/View/Element/UiComponent/DataProvider/SearchResult.php
index 69439ddbc9b1d..623d33a78ee9d 100644
--- a/lib/internal/Magento/Framework/View/Element/UiComponent/DataProvider/SearchResult.php
+++ b/lib/internal/Magento/Framework/View/Element/UiComponent/DataProvider/SearchResult.php
@@ -3,6 +3,7 @@
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
+declare(strict_types=1);
 
 namespace Magento\Framework\View\Element\UiComponent\DataProvider;
 
diff --git a/lib/internal/Magento/Framework/View/LayoutFactory.php b/lib/internal/Magento/Framework/View/LayoutFactory.php
index f2694684363bf..9ad8fc7f98b16 100644
--- a/lib/internal/Magento/Framework/View/LayoutFactory.php
+++ b/lib/internal/Magento/Framework/View/LayoutFactory.php
@@ -3,6 +3,8 @@
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
+declare(strict_types=1);
+
 namespace Magento\Framework\View;
 
 /**