[!!!][TASK] Merge FlexFormService into FlexFormTools (#6163)

* [!!!][TASK] Merge FlexFormService into FlexFormTools

Resolves: TYPO3-Documentation/Changelog-To-Doc#1425
Releases: main

* [FEATURE] Register Metadata Extractor Services via Interface

Resolves: TYPO3-Documentation/Changelog-To-Doc#1411
Releases: main

* [DOCS] Language check

Releases: main

---------

Co-authored-by: Sarah McCarthy <sarahmccarthy123@yahoo.com>

Author: linawolf

Documentation/ApiOverview/FlexForms/Reading/Index.rst

@@ -38,16 +38,23 @@ value is not defined in the plugin.
 
 ..  _read-flexforms-php:
 
-FlexFormService: Read FlexForms values in PHP
-=============================================
+FlexFormTools: Read FlexForms values in PHP
+===========================================
 
-You can use the :php-short:`\TYPO3\CMS\Extbase\Service\FlexFormService` to read
+..  deprecated:: 14.0
+    Class :php-short:`\TYPO3\CMS\Core\Service\FlexFormService` has been merged
+    into :php-short:`\TYPO3\CMS\Core\Configuration\FlexForm\FlexFormTools`.
+
+    :php-short:`\TYPO3\CMS\Core\Service\FlexFormService` can be used with
+    an alias up until TYPO3 v15.
+
+You can use the :php:`\TYPO3\CMS\Core\Configuration\FlexForm\FlexFormTools` to read
 the content of a FlexForm field.
 
 This is useful in plain controllers without Extbase support, or in contexts
 like console commands or middleware where no settings are available.
 
-:php:`FlexFormService->convertFlexFormContentToArray` returns an array that is
+:php:`FlexFormTools->convertFlexFormContentToArray` returns an array that is
 suitable for most use cases:
 
 ..  literalinclude:: _codesnippets/_NonExtbaseController.php

Documentation/ApiOverview/FlexForms/Reading/_codesnippets/_NonExtbaseController.php

@@ -4,13 +4,11 @@
 
 namespace MyVendor\MyExtension\Mvc\Controller;
 
-use TYPO3\CMS\Core\Service\FlexFormService;
+use TYPO3\CMS\Core\Configuration\FlexForm\FlexFormTools;
 
 final readonly class NonExtbaseController
 {
-    public function __construct(
-        private FlexFormService $flexFormService,
-    ) {}
+    public function __construct(private FlexFormTools $flexFormTools) {}
 
     public function indexAction(array $ttContentRow): void
     {
@@ -23,6 +21,6 @@ private function loadFlexForm(string $field): array
         if ($field === '') {
             return [];
         }
-        return $this->flexFormService->convertFlexFormContentToArray($field);
+        return $this->flexFormTools->convertFlexFormContentToArray($field);
     }
 }

Documentation/ExtensionArchitecture/HowTo/UpdateExtensions/UpdateWizards/_SwitchableControllerActionUpgradeWizard.php

@@ -4,8 +4,8 @@
 
 namespace MyVendor\MyExtension\Upgrades;
 
+use TYPO3\CMS\Core\Configuration\FlexForm\FlexFormTools;
 use TYPO3\CMS\Core\Database\ConnectionPool;
-use TYPO3\CMS\Core\Service\FlexFormService;
 use TYPO3\CMS\Install\Attribute\UpgradeWizard;
 use TYPO3\CMS\Install\Updates\UpgradeWizardInterface;
 
@@ -17,7 +17,7 @@ final class SwitchableControllerActionUpgradeWizard implements UpgradeWizardInte
 
     public function __construct(
         private readonly ConnectionPool $connectionPool,
-        private readonly FlexFormService $flexFormService,
+        private readonly FlexFormTools $flexFormTools,
     ) {}
 
     public function getTitle(): string
@@ -75,7 +75,7 @@ private function migratePlugin(string $plugin, string $switchable, string $newCT
 
     private function loadFlexForm(string $flexFormString): array
     {
-        return $this->flexFormService
+        return $this->flexFormTools
             ->convertFlexFormContentToArray($flexFormString);
     }