32 files declare their use of ContainerInjectionInterface

AllowedValuesConstraintValidator.php in core/lib/Drupal/Core/Validation/Plugin/Validation/Constraint/AllowedValuesConstraintValidator.php
AnnounceController.php in core/modules/announcements_feed/src/Controller/AnnounceController.php
AssetRoutes.php in core/modules/system/src/Routing/AssetRoutes.php
BlockContentPermissions.php in core/modules/block_content/src/BlockContentPermissions.php
CallableResolverTest.php in core/tests/Drupal/Tests/Core/Utility/CallableResolverTest.php
ConfigEntityUpdater.php in core/lib/Drupal/Core/Config/Entity/ConfigEntityUpdater.php
ConfigExistsConstraintValidator.php in core/lib/Drupal/Core/Config/Plugin/Validation/Constraint/ConfigExistsConstraintValidator.php
ControllerBase.php in core/lib/Drupal/Core/Controller/ControllerBase.php
ControllerResolverTest.php in core/tests/Drupal/Tests/Core/Controller/ControllerResolverTest.php
EntityBundleExistsConstraintValidator.php in core/lib/Drupal/Core/Validation/Plugin/Validation/Constraint/EntityBundleExistsConstraintValidator.php
EntityController.php in core/lib/Drupal/Core/Entity/Controller/EntityController.php
EntityRevisionViewController.php in core/lib/Drupal/Core/Entity/Controller/EntityRevisionViewController.php
EntityTypeManagerTest.php in core/tests/Drupal/Tests/Core/Entity/EntityTypeManagerTest.php
EntityUntranslatableFieldsConstraintValidator.php in core/lib/Drupal/Core/Entity/Plugin/Validation/Constraint/EntityUntranslatableFieldsConstraintValidator.php
EntityViewController.php in core/lib/Drupal/Core/Entity/Controller/EntityViewController.php
ExtensionExistsConstraintValidator.php in core/lib/Drupal/Core/Extension/Plugin/Validation/Constraint/ExtensionExistsConstraintValidator.php
FileExtensionSecureConstraintValidator.php in core/modules/file/src/Plugin/Validation/Constraint/FileExtensionSecureConstraintValidator.php
FileImageDimensionsConstraintValidator.php in core/modules/file/src/Plugin/Validation/Constraint/FileImageDimensionsConstraintValidator.php
FileIsImageConstraintValidator.php in core/modules/file/src/Plugin/Validation/Constraint/FileIsImageConstraintValidator.php
FileSizeLimitConstraintValidator.php in core/modules/file/src/Plugin/Validation/Constraint/FileSizeLimitConstraintValidator.php
FormBase.php in core/lib/Drupal/Core/Form/FormBase.php
FormBuilderTest.php in core/tests/Drupal/Tests/Core/Form/FormBuilderTest.php
ImmutablePropertiesConstraintValidator.php in core/lib/Drupal/Core/Entity/Plugin/Validation/Constraint/ImmutablePropertiesConstraintValidator.php
MenuLinkDefaultForm.php in core/lib/Drupal/Core/Menu/Form/MenuLinkDefaultForm.php
MenuLinksetRoutes.php in core/modules/system/src/Routing/MenuLinksetRoutes.php
NavigationContentLinks.php in core/modules/navigation/src/NavigationContentLinks.php
PhpUnitTestRunner.php in core/lib/Drupal/Core/Test/PhpUnitTestRunner.php
RequiredConfigDependenciesConstraintValidator.php in core/lib/Drupal/Core/Config/Plugin/Validation/Constraint/RequiredConfigDependenciesConstraintValidator.php
UniqueFieldValueValidator.php in core/lib/Drupal/Core/Validation/Plugin/Validation/Constraint/UniqueFieldValueValidator.php
UniquePathAliasConstraintValidator.php in core/lib/Drupal/Core/Path/Plugin/Validation/Constraint/UniquePathAliasConstraintValidator.php
ValidPathConstraintValidator.php in core/lib/Drupal/Core/Path/Plugin/Validation/Constraint/ValidPathConstraintValidator.php
ValidReferenceConstraintValidator.php in core/lib/Drupal/Core/Entity/Plugin/Validation/Constraint/ValidReferenceConstraintValidator.php

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