26 files declare their use of LockBackendInterface

AliasWhitelist.php in core/modules/path_alias/src/AliasWhitelist.php
BlockContentUuidLookup.php in core/modules/block_content/src/BlockContentUuidLookup.php
CacheCollector.php in core/lib/Drupal/Core/Cache/CacheCollector.php
CKEditor5ImageController.php in core/modules/ckeditor5/src/Controller/CKEditor5ImageController.php
ConfigImporter.php in core/lib/Drupal/Core/Config/ConfigImporter.php
ConfigSingleImportForm.php in core/modules/config/src/Form/ConfigSingleImportForm.php
ConfigSync.php in core/modules/config/src/Form/ConfigSync.php
Cron.php in core/lib/Drupal/Core/Cron.php
ExportStorageManager.php in core/lib/Drupal/Core/Config/ExportStorageManager.php
FileUploadResource.php in core/modules/file/src/Plugin/rest/resource/FileUploadResource.php
ImageStyleDownloadController.php in core/modules/image/src/Controller/ImageStyleDownloadController.php
ImportStorageTransformer.php in core/lib/Drupal/Core/Config/ImportStorageTransformer.php
LibraryDiscoveryCollector.php in core/lib/Drupal/Core/Asset/LibraryDiscoveryCollector.php
LocaleLookup.php in core/modules/locale/src/LocaleLookup.php
LocaleTranslation.php in core/modules/locale/src/LocaleTranslation.php
MenuActiveTrail.php in core/lib/Drupal/Core/Menu/MenuActiveTrail.php
MenuRouterRebuildSubscriber.php in core/lib/Drupal/Core/EventSubscriber/MenuRouterRebuildSubscriber.php
PrivateTempStore.php in core/lib/Drupal/Core/TempStore/PrivateTempStore.php
PrivateTempStoreFactory.php in core/lib/Drupal/Core/TempStore/PrivateTempStoreFactory.php
Registry.php in core/lib/Drupal/Core/Theme/Registry.php
RouteBuilder.php in core/lib/Drupal/Core/Routing/RouteBuilder.php
SharedTempStore.php in core/lib/Drupal/Core/TempStore/SharedTempStore.php
SharedTempStoreFactory.php in core/lib/Drupal/Core/TempStore/SharedTempStoreFactory.php
SystemTestController.php in core/modules/system/tests/modules/system_test/src/Controller/SystemTestController.php
TemporaryJsonapiFileFieldUploader.php in core/modules/jsonapi/src/Controller/TemporaryJsonapiFileFieldUploader.php
ThemeRegistry.php in core/lib/Drupal/Core/Utility/ThemeRegistry.php

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