PR improvement

app/code/Magento/ImportExport/README.md

@@ -9,6 +9,8 @@ The Magento_ImportExport module creates the following tables in the database:
 - `importexport_importdata`
 - `import_history`
 
+All database schema changes made by this module are rolled back when the module gets disabled and setup:upgrade command is run.
+
 For information about a module installation in Magento 2, see [Enable or disable modules](https://devdocs.magento.com/guides/v2.4/install-gde/install/cli/install-cli-subcommands-enable.html).
 
 ## Structure
@@ -25,7 +27,7 @@ Extension developers can interact with the Magento_ImportExport module. For more
 
 ### Layouts
 
-This module introduces the following layouts in the `view/frontend/layout` directory:
+This module introduces the following layout handles in the `view/frontend/layout` directory:
 
 - `adminhtml_export_getfilter`
 - `adminhtml_export_index`
@@ -49,10 +51,13 @@ For information about a UI component in Magento 2, see [Overview of UI component
 ### Public APIs
 
 - `Magento\ImportExport\Api\Data\ExportInfoInterface`
-    - export data
+    - getter and setter interface with data needed for export
+
+- `Magento\ImportExport\Api\Data\ExtendedExportInfoInterface`
+    - extends `Magento\ImportExport\Api\Data\ExportInfoInterface`. Contains data for skipped attributes
 
-- `\Magento\ImportExport\Api\ExportManagementInterface`:
-    - get export data
+- `\Magento\ImportExport\Api\ExportManagementInterface`
+    - Executing actual export and returns export data
 
 For information about a public API in Magento 2, see [Public interfaces & APIs](http://devdocs.magento.com/guides/v2.4/extension-dev-guide/api-concepts.html).
 

app/code/Magento/Indexer/README.md

@@ -1,7 +1,7 @@
 # Magento_Indexer module
 
 This module provides Magento Indexing functionality.
-It allows:
+It allows to:
  - read indexers configuration
  - represent indexers in admin
  - regenerate indexes by cron schedule
@@ -43,42 +43,28 @@ The module dispatches the following events:
 #### Model
 
 - `clean_cache_by_tags` event in the `\Magento\Indexer\Model\Indexer\CacheCleaner::cleanCache` method. Parameters:
-    - `object` is a `$this->cacheContext` object (`Magento\Framework\Indexer\CacheContext` class)
+    - `object` is a `cacheContext` object (`Magento\Framework\Indexer\CacheContext` class)
 
 #### Plugin 
 
 - `clean_cache_after_reindex` event in the `\Magento\Indexer\Model\Processor\CleanCache::afterUpdateMview` method. Parameters:
-    - `object` is a `$this->context` object (`Magento\Framework\Indexer\CacheContext` class)
+    - `object` is a `context` object (`Magento\Framework\Indexer\CacheContext` class)
 
 - `clean_cache_by_tags` event in the `\Magento\Indexer\Model\Processor\CleanCache::afterReindexAllInvalid` method. Parameters:
-    - `object` is a `$this->context` object (`Magento\Framework\Indexer\CacheContext` class)
+    - `object` is a `context` object (`Magento\Framework\Indexer\CacheContext` class)
 
 For information about an event in Magento 2, see [Events and observers](https://devdocs.magento.com/guides/v2.4/extension-dev-guide/events-and-observers.html#events).
 
 ### Layouts
 
-This module introduces the following layouts in the `view/adminhtml/layout` directory:
+This module introduces the following layout handles in the `view/adminhtml/layout` directory:
 - `indexer_indexer_list`
 - `indexer_indexer_list_grid`
 
 For more information about layouts in Magento 2, see the [Layout documentation](https://devdocs.magento.com/guides/v2.3/frontend-dev-guide/layouts/layout-overview.html).
 
 ## Additional information
 
-### Magento indexers
-
-List of Magento default indexers:
-- `design_config_grid` - Design Config Grid
-- `customer_grid` - Customer Grid
-- `catalog_category_product` - Category Products
-- `catalog_product_category` - Product Categories
-- `catalogrule_rule` - Catalog Rule Product
-- `catalog_product_attribute` - Product EAV
-- `catalogrule_product` - Catalog Product Rule
-- `cataloginventory_stock` - Stock
-- `catalog_product_price` - Product Price
-- `catalogsearch_fulltext` - Catalog Search
-
 ### Indexer modes
 
 There are 2 modes of the Indexers:
@@ -91,11 +77,12 @@ There are 2 modes of the Indexers:
 Magento_Indexers provides console commands:
 - `bin/magento indexer:info` - view a list of all indexers
 - `bin/magento indexer:status [indexer]` - view index status
-- `bin/magento indexer:info` - view list all indexers
 - `bin/magento indexer:reindex [indexer]` - run reindex
 - `bin/magento indexer:reset [indexer]` - reset indexers
 - `bin/magento indexer:show-mode [indexer]` - view the current indexer configuration
 - `bin/magento indexer:set-mode {realtime|schedule} [indexer]` - specify the indexer configuration
+- `bin/magento indexer:set-dimensions-mode [indexer]` - set indexer dimension mode
+- `bin/magento indexer:show-dimensions-mode [indexer]` - set indexer dimension mode
 
 ### Cron options
 
@@ -108,7 +95,7 @@ Cron group configuration can be set at `etc/crontab.xml`:
 
 More information can get at articles:
 - [Learn more about indexing](https://devdocs.magento.com/guides/v2.4/extension-dev-guide/indexing.html)
-- [Learn more about Indexr optimization](https://devdocs.magento.com/guides/v2.4/extension-dev-guide/indexer-batch.html)
+- [Learn more about Indexer optimization](https://devdocs.magento.com/guides/v2.4/extension-dev-guide/indexer-batch.html)
 - [Learn more how to add custom indexer](https://devdocs.magento.com/guides/v2.4/extension-dev-guide/indexing-custom.html)
 - [Learn how to manage indexers](https://devdocs.magento.com/guides/v2.4/config-guide/cli/config-cli-subcommands-index.html)
 - [Learn more about Index Management](https://docs.magento.com/user-guide/system/index-management.html)

app/code/Magento/InstantPurchase/README.md

@@ -18,14 +18,6 @@ Extension developers can interact with the Magento_InstantPurchase module. For m
 
 [The Magento dependency injection mechanism](https://devdocs.magento.com/guides/v2.4/extension-dev-guide/depend-inj.html) enables you to override the functionality of the Magento_InstantPurchase module.
 
-### Layouts
-
-This module introduces the following layouts in the `view/frontend/layout` directory:
-- `catalog_product_view`
-- `catalog_product_view_type_bundle`
-
-For more information about layouts in Magento 2, see the [Layout documentation](https://devdocs.magento.com/guides/v2.3/frontend-dev-guide/layouts/layout-overview.html).
-
 ### Public APIs
 
 - `\Magento\InstantPurchase\Model\BillingAddressChoose\BillingAddressChooserInterface`
@@ -57,6 +49,8 @@ For more information about layouts in Magento 2, see the [Layout documentation](
 
 For information about a public API in Magento 2, see [Public interfaces & APIs](http://devdocs.magento.com/guides/v2.4/extension-dev-guide/api-concepts.html).
 
+## Additional information
+
 ### Instant purchase customization
 
 Almost all aspects of instant purchase may be customized. See comments to classes and interfaces marked with `@api` tag.
@@ -89,9 +83,7 @@ Basic implementation is a good start point but it's recommended to provide own i
 - `Magento\InstantPurchase\PaymentMethodIntegration\PaymentTokenFormatterInterface` - creates string that describes stored payment method. Basic implementation returns payment method name. It is highly recommended to implement own formatter.
 - `Magento\InstantPurchase\PaymentMethodIntegration\PaymentAdditionalInformationProviderInterface` - allows to add some extra values to payment additional information array. Default implementation returns empty array.
 
-## Additional information
-
-#Prerequisites to display the Instant Purchase button
+### Prerequisites to display the Instant Purchase button
 
 1. Instant purchase enabled for a store at `Store / Configurations / Sales / Sales / Instant Purchase`
 2. Customer is logged in

app/code/Magento/Integration/README.md

@@ -7,15 +7,13 @@ model for request and access token management.
 
 ## Installation
 
-Before installing this module, note that the Magento_Integration is dependent on the following modules:
+The Magento_Integration module is one of the base Magento 2 modules. You cannot disable or uninstall this module.
+
+This module is dependent on the following modules:
 - `Magento_Store`
 - `Magento_User`
 - `Magento_Security`
 
-The following modules depend on this module:
-- `Magento_Analytics`
-- `Magento_Webapi`
-
 The Magento_Integration module creates the following tables in the database:
 - `oauth_consumer`
 - `oauth_token`
@@ -37,13 +35,13 @@ The module dispatches the following events:
 
 #### Model
 - `customer_login` event in the `\Magento\Integration\Model\CustomerTokenService::createCustomerAccessToken` method. Parameters:
-    - `customer` is a `$customerDataObject` object (`\Magento\Customer\Api\Data\CustomerInterface` class)
+    - `customer` is an object (`\Magento\Customer\Api\Data\CustomerInterface` class)
 
 For information about an event in Magento 2, see [Events and observers](http://devdocs.magento.com/guides/v2.4/extension-dev-guide/events-and-observers.html#events).
 
 ### Layouts
 
-This module introduces the following layouts in the `view/adminhtml/layout` directory:
+This module introduces the following layout handles in the `view/adminhtml/layout` directory:
 - `adminhtml_integration_edit`
 - `adminhtml_integration_grid`
 - `adminhtml_integration_grid_block`
@@ -79,6 +77,16 @@ For more information about a layout in Magento 2, see the [Layout documentation]
     - update an Integration
     - delete an Integration by integration ID
     - get an array of selected resources  for an integration
+
+- `\Magento\Integration\Api\OauthServiceInterface`:
+    - create a new consumer account
+    - create access token for provided consumer
+    - retrieve access token assigned to the consumer
+    - load consumer by its ID 
+    - load consumer by its key
+    - execute post to integration (consumer) HTTP Post URL. Generate and return oauth_verifier
+    - delete the consumer data associated with the integration including its token and nonce
+    - remove token associated with provided consumer
 
 For information about a public API in Magento 2, see [Public interfaces & APIs](http://devdocs.magento.com/guides/v2.4/extension-dev-guide/api-concepts.html).
 

app/code/Magento/LayeredNavigation/README.md

@@ -16,7 +16,7 @@ Extension developers can interact with the Magento_LayeredNavigation module. For
 
 ### Layouts
 
-This module introduces the following layouts in the `view/frontend/layout` directory:
+This module introduces the following layout handles in the `view/frontend/layout` directory:
 - `catalog_category_view_type_layered`
 - `catalog_category_view_type_layered_without_children`
 - `catalogsearch_result_index`
@@ -41,6 +41,14 @@ For information about a public API in Magento 2, see [Public interfaces & APIs](
 
 ## Additional information
 
-More information can get at articles:
+### Page Layout
+This module modifies the following page_layout in the `view/frontend.page_layout` directory: 
+- `1columns` - moves block `catalog.leftnav` into the `content.top` container
+- `2columns-left` - moves block `catalog.leftnav` into the `sidebar.main"` container
+- `2columns-right` - moves block `catalog.leftnav` into the `sidebar.main"` container
+- `3columns` - moves block `catalog.leftnav` into the `sidebar.main"` container
+- `empty` - moves block `catalog.leftnav` into the `category.product.list.additional` container
+
+More information can be found in:
 - [Learn more about Layered Navigation](https://docs.magento.com/user-guide/catalog/navigation-layered.html)
 - [Learn how to Configuring Layered Navigation](https://docs.magento.com/user-guide/catalog/navigation-layered-configuration.html)