18 files declare their use of InvalidPluginDefinitionException

BadPluginDefinitionException.php in core/modules/migrate/src/Plugin/Exception/BadPluginDefinitionException.php
CKEditor5PluginDefinition.php in core/modules/ckeditor5/src/Plugin/CKEditor5PluginDefinition.php
CKEditor5PluginManager.php in core/modules/ckeditor5/src/Plugin/CKEditor5PluginManager.php
CKEditor5PluginManagerTest.php in core/modules/ckeditor5/tests/src/Kernel/CKEditor5PluginManagerTest.php
ConfigMapperManager.php in core/modules/config_translation/src/ConfigMapperManager.php
ContentEntity.php in core/modules/migrate_drupal/src/Plugin/migrate/source/ContentEntity.php
ContentEntityConstructorTest.php in core/modules/migrate_drupal/tests/src/Kernel/Plugin/migrate/source/ContentEntityConstructorTest.php
EntityRevisionParamConverterTest.php in core/tests/Drupal/Tests/Core/ParamConverter/EntityRevisionParamConverterTest.php
EntityTypeManager.php in core/lib/Drupal/Core/Entity/EntityTypeManager.php
EntityTypeManagerTest.php in core/tests/Drupal/Tests/Core/Entity/EntityTypeManagerTest.php
Contains \Drupal\Tests\Core\Entity\EntityTypeManagerTest.
ExecuteMigration.php in core/modules/migrate/tests/modules/migrate_no_migrate_drupal_test/src/Controller/ExecuteMigration.php
ImageToolkitOperationBase.php in core/lib/Drupal/Core/ImageToolkit/ImageToolkitOperationBase.php
LayoutPluginManager.php in core/lib/Drupal/Core/Layout/LayoutPluginManager.php
LayoutPluginManagerTest.php in core/tests/Drupal/Tests/Core/Layout/LayoutPluginManagerTest.php
Migration.php in core/modules/migrate/src/Plugin/Migration.php
MigrationTest.php in core/modules/migrate/tests/src/Unit/MigrationTest.php
Contains \Drupal\Tests\migrate\Unit\MigrationTest.
PluginFormFactory.php in core/lib/Drupal/Core/Plugin/PluginFormFactory.php
PluginFormFactoryTest.php in core/tests/Drupal/Tests/Core/Plugin/PluginFormFactoryTest.php

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