10 files declare their use of ConfigEntityTypeInterface in Drupal 10

ConfigEntityNormalizerTest.php in core/modules/serialization/tests/src/Unit/Normalizer/ConfigEntityNormalizerTest.php

ConfigManager.php in core/lib/Drupal/Core/Config/ConfigManager.php

DefaultHtmlRouteProvider.php in core/lib/Drupal/Core/Entity/Routing/DefaultHtmlRouteProvider.php

DefaultHtmlRouteProviderTest.php in core/tests/Drupal/Tests/Core/Entity/Routing/DefaultHtmlRouteProviderTest.php

Contains \Drupal\Tests\Core\Entity\Routing\DefaultHtmlRouteProviderTest.

EntityFormDisplayAccessControlHandlerTest.php in core/tests/Drupal/Tests/Core/Entity/Access/EntityFormDisplayAccessControlHandlerTest.php

EntityRepository.php in core/lib/Drupal/Core/Entity/EntityRepository.php

FieldStorageConfigAccessControlHandlerTest.php in core/modules/field/tests/src/Unit/FieldStorageConfigAccessControlHandlerTest.php

QueryFactory.php in core/lib/Drupal/Core/Config/Entity/Query/QueryFactory.php

ResourceTypeRepository.php in core/modules/jsonapi/src/ResourceType/ResourceTypeRepository.php

TemporaryQueryGuard.php in core/modules/jsonapi/src/Access/TemporaryQueryGuard.php