30 files declare their use of EntityFieldManagerInterface

AddToAllBundlesConfigActionTest.php in core/modules/field/tests/src/Kernel/AddToAllBundlesConfigActionTest.php
CommentController.php in core/modules/comment/src/Controller/CommentController.php
CommentForm.php in core/modules/comment/src/CommentForm.php
CommentManager.php in core/modules/comment/src/CommentManager.php
CommentManagerTest.php in core/modules/comment/tests/src/Unit/CommentManagerTest.php
CommentStorage.php in core/modules/comment/src/CommentStorage.php
ContentEntityBaseUnitTest.php in core/tests/Drupal/Tests/Core/Entity/ContentEntityBaseUnitTest.php
ContentEntityNonRevisionableFieldTest.php in core/tests/Drupal/KernelTests/Core/Entity/ContentEntityNonRevisionableFieldTest.php
DefaultHtmlRouteProvider.php in core/lib/Drupal/Core/Entity/Routing/DefaultHtmlRouteProvider.php
DefaultHtmlRouteProviderTest.php in core/tests/Drupal/Tests/Core/Entity/Routing/DefaultHtmlRouteProviderTest.php
DefaultSelection.php in core/lib/Drupal/Core/Entity/Plugin/EntityReferenceSelection/DefaultSelection.php
DefaultTableMappingIntegrationTest.php in core/tests/Drupal/KernelTests/Core/Entity/DefaultTableMappingIntegrationTest.php
EntityAdapterUnitTest.php in core/tests/Drupal/Tests/Core/Entity/TypedData/EntityAdapterUnitTest.php
EntityComment.php in core/modules/comment/src/Plugin/migrate/destination/EntityComment.php
EntityFormDisplayAccessControlHandlerTest.php in core/tests/Drupal/Tests/Core/Entity/Access/EntityFormDisplayAccessControlHandlerTest.php
EntitySchemaTest.php in core/tests/Drupal/KernelTests/Core/Entity/EntitySchemaTest.php
EntityTestDefinitionSubscriber.php in core/modules/system/tests/modules/entity_test/src/EntityTestDefinitionSubscriber.php
EntityUser.php in core/modules/user/src/Plugin/migrate/destination/EntityUser.php
FieldDefinitionListener.php in core/lib/Drupal/Core/Field/FieldDefinitionListener.php
FieldDefinitionListenerTest.php in core/tests/Drupal/Tests/Core/Field/FieldDefinitionListenerTest.php
FieldDefinitionTest.php in core/tests/Drupal/Tests/Core/Entity/FieldDefinitionTest.php
FieldReuseAccessCheck.php in core/modules/field_ui/src/Access/FieldReuseAccessCheck.php
FieldStorageDefinitionListener.php in core/lib/Drupal/Core/Field/FieldStorageDefinitionListener.php
FieldStorageReuseForm.php in core/modules/field_ui/src/Form/FieldStorageReuseForm.php
KeyValueEntityStorageTest.php in core/tests/Drupal/Tests/Core/Entity/KeyValueStore/KeyValueEntityStorageTest.php
NodeNewComments.php in core/modules/comment/src/Plugin/views/field/NodeNewComments.php
SqlContentEntityStorage.php in core/lib/Drupal/Core/Entity/Sql/SqlContentEntityStorage.php
SqlContentEntityStorageSchema.php in core/lib/Drupal/Core/Entity/Sql/SqlContentEntityStorageSchema.php
UniqueFieldValueValidator.php in core/lib/Drupal/Core/Validation/Plugin/Validation/Constraint/UniqueFieldValueValidator.php
UserSelection.php in core/modules/user/src/Plugin/EntityReferenceSelection/UserSelection.php

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