100 files declare their use of BaseFieldDefinition

BaseFieldDefinitionTest.php in core/tests/Drupal/Tests/Core/Entity/BaseFieldDefinitionTest.php
BaseFieldDefinitionTestBase.php in core/tests/Drupal/Tests/Core/Field/BaseFieldDefinitionTestBase.php
BaseFieldOverride.php in core/lib/Drupal/Core/Field/Entity/BaseFieldOverride.php
BaseFieldOverrideTest.php in core/tests/Drupal/KernelTests/Core/Field/Entity/BaseFieldOverrideTest.php
BlockContent.php in core/modules/block_content/src/Entity/BlockContent.php
Comment.php in core/modules/comment/src/Entity/Comment.php
CommentTestBaseField.php in core/modules/comment/tests/modules/comment_base_field_test/src/Entity/CommentTestBaseField.php
contact_storage_test.module in core/modules/contact/tests/modules/contact_storage_test/contact_storage_test.module
Contains custom contact message functionality for ContactStorageTest.
ContentEntityBase.php in core/lib/Drupal/Core/Entity/ContentEntityBase.php
ContentEntityBaseUnitTest.php in core/tests/Drupal/Tests/Core/Entity/ContentEntityBaseUnitTest.php
ContentModerationState.php in core/modules/content_moderation/src/Entity/ContentModerationState.php
ContentTranslationHandler.php in core/modules/content_translation/src/ContentTranslationHandler.php
DefaultTableMappingIntegrationTest.php in core/tests/Drupal/KernelTests/Core/Entity/DefaultTableMappingIntegrationTest.php
entity.api.php in core/lib/Drupal/Core/Entity/entity.api.php
Hooks and documentation related to entities.
EntityAdapterUnitTest.php in core/tests/Drupal/Tests/Core/Entity/TypedData/EntityAdapterUnitTest.php
EntityDefinitionTestTrait.php in core/modules/system/tests/src/Functional/Entity/Traits/EntityDefinitionTestTrait.php
EntityDefinitionUpdateManager.php in core/lib/Drupal/Core/Entity/EntityDefinitionUpdateManager.php
EntityDefinitionUpdateProviderTest.php in core/tests/Drupal/KernelTests/Core/Entity/EntityDefinitionUpdateProviderTest.php
EntityDefinitionUpdateTest.php in core/tests/Drupal/KernelTests/Core/Entity/EntityDefinitionUpdateTest.php
EntityFieldManager.php in core/lib/Drupal/Core/Entity/EntityFieldManager.php
EntityFieldManagerTest.php in core/tests/Drupal/Tests/Core/Entity/EntityFieldManagerTest.php
EntityFieldTest.php in core/tests/Drupal/KernelTests/Core/Entity/EntityFieldTest.php
EntityKeysTest.php in core/tests/Drupal/KernelTests/Core/Entity/EntityKeysTest.php
EntityOwnerTrait.php in core/modules/user/src/EntityOwnerTrait.php
EntityPublishedTrait.php in core/lib/Drupal/Core/Entity/EntityPublishedTrait.php
EntityReferenceFieldTest.php in core/tests/Drupal/KernelTests/Core/Entity/EntityReferenceFieldTest.php
EntityReferenceSupportedNewEntitiesConstraintValidatorTest.php in core/modules/workspaces/tests/src/Kernel/EntityReferenceSupportedNewEntitiesConstraintValidatorTest.php
EntitySchemaSubscriber.php in core/modules/system/tests/modules/entity_test_update/src/EventSubscriber/EntitySchemaSubscriber.php
EntitySchemaSubscriber.php in core/modules/workspaces/src/EventSubscriber/EntitySchemaSubscriber.php
EntitySchemaTest.php in core/tests/Drupal/KernelTests/Core/Entity/EntitySchemaTest.php
EntitySerializedField.php in core/modules/system/tests/modules/entity_test/src/Entity/EntitySerializedField.php
EntityTest.php in core/modules/system/tests/modules/entity_test/src/Entity/EntityTest.php
EntityTestBase.php in core/modules/migrate/tests/src/Unit/Plugin/migrate/destination/EntityTestBase.php
EntityTestBaseFieldDisplay.php in core/modules/system/tests/modules/entity_test/src/Entity/EntityTestBaseFieldDisplay.php
EntityTestComputedBundleField.php in core/modules/system/tests/modules/entity_test/src/Entity/EntityTestComputedBundleField.php
EntityTestComputedField.php in core/modules/system/tests/modules/entity_test/src/Entity/EntityTestComputedField.php
EntityTestConstraints.php in core/modules/system/tests/modules/entity_test/src/Entity/EntityTestConstraints.php
EntityTestConstraintViolation.php in core/modules/system/tests/modules/entity_test/src/Entity/EntityTestConstraintViolation.php
EntityTestDefaultValue.php in core/modules/system/tests/modules/entity_test/src/Entity/EntityTestDefaultValue.php
EntityTestFieldMethods.php in core/modules/system/tests/modules/entity_test/src/Entity/EntityTestFieldMethods.php
EntityTestMapField.php in core/modules/system/tests/modules/entity_test/src/Entity/EntityTestMapField.php
EntityTestMulChanged.php in core/modules/system/tests/modules/entity_test/src/Entity/EntityTestMulChanged.php
EntityTestMulDefaultValue.php in core/modules/system/tests/modules/entity_test/src/Entity/EntityTestMulDefaultValue.php
EntityTestMulRev.php in core/modules/system/tests/modules/entity_test/src/Entity/EntityTestMulRev.php
EntityTestMulRevChanged.php in core/modules/system/tests/modules/entity_test/src/Entity/EntityTestMulRevChanged.php
EntityTestRev.php in core/modules/system/tests/modules/entity_test/src/Entity/EntityTestRev.php
EntityTestStringId.php in core/modules/system/tests/modules/entity_test/src/Entity/EntityTestStringId.php
EntityTestTest.php in core/modules/jsonapi/tests/src/Functional/EntityTestTest.php
EntityTestUniqueConstraint.php in core/modules/system/tests/modules/entity_test/src/Entity/EntityTestUniqueConstraint.php
EntityTestUpdate.php in core/modules/system/tests/modules/entity_test_update/src/Entity/EntityTestUpdate.php
EntityTestWithBundle.php in core/modules/system/tests/modules/entity_test/src/Entity/EntityTestWithBundle.php
EntityTestWithRevisionLog.php in core/modules/system/tests/modules/entity_test_revlog/src/Entity/EntityTestWithRevisionLog.php
EntityTypedDataDefinitionTest.php in core/tests/Drupal/KernelTests/Core/Entity/EntityTypedDataDefinitionTest.php
EntityTypeInfo.php in core/modules/content_moderation/src/EntityTypeInfo.php
EntityTypeInfo.php in core/modules/workspaces/src/EntityTypeInfo.php
EntityViewsDataTest.php in core/modules/views/tests/src/Kernel/Entity/EntityViewsDataTest.php
entity_reference_test.module in core/modules/system/tests/modules/entity_reference_test/entity_reference_test.module
Helper module for the Entity Reference tests.
entity_schema_test.module in core/modules/system/tests/modules/entity_schema_test/entity_schema_test.module
Test module for the entity API providing a bundle field.
entity_test.module in core/modules/system/tests/modules/entity_test/entity_test.module
Test module for the entity API providing several entity types for testing.
entity_test_update.module in core/modules/system/tests/modules/entity_test_update/entity_test_update.module
Provides an entity type for testing definition and schema updates.
FieldableEntityDefinitionUpdateTest.php in core/tests/Drupal/KernelTests/Core/Entity/FieldableEntityDefinitionUpdateTest.php
FieldAPIHandlerTrait.php in core/modules/views/src/FieldAPIHandlerTrait.php
FieldDefinitionIntegrityTest.php in core/modules/field/tests/src/Kernel/FieldDefinitionIntegrityTest.php
FieldItemDataDefinition.php in core/lib/Drupal/Core/Field/TypedData/FieldItemDataDefinition.php
FieldItemNormalizerTest.php in core/modules/jsonapi/tests/src/Kernel/Normalizer/FieldItemNormalizerTest.php
FieldSettingsTest.php in core/tests/Drupal/KernelTests/Core/Field/FieldSettingsTest.php
FieldStorageConfig.php in core/modules/field/src/Entity/FieldStorageConfig.php
FieldStorageDefinition.php in core/modules/system/tests/modules/entity_test/src/FieldStorageDefinition.php
FieldTypePluginManagerTest.php in core/modules/field/tests/src/Kernel/FieldTypePluginManagerTest.php
File.php in core/modules/file/src/Entity/File.php
FormatterPluginManagerTest.php in core/modules/field/tests/src/Kernel/FormatterPluginManagerTest.php
jsonapi_test_reference_types.module in core/modules/jsonapi/tests/modules/jsonapi_test_reference_types/jsonapi_test_reference_types.module
Contains hook implementations for the jsonapi_test_reference_types module.
link_test_base_field.module in core/modules/link/tests/modules/link_test_base_field/link_test_base_field.module
Contains main module functions.
MapBaseFieldTest.php in core/tests/Drupal/KernelTests/Core/Field/MapBaseFieldTest.php
Media.php in core/modules/media/src/Entity/Media.php
MediaLibraryWidgetTest.php in core/modules/media_library/tests/src/Kernel/MediaLibraryWidgetTest.php
MediaTypeForm.php in core/modules/media/src/MediaTypeForm.php
MenuLinkContent.php in core/modules/menu_link_content/src/Entity/MenuLinkContent.php
Message.php in core/modules/contact/src/Entity/Message.php
Node.php in core/modules/node/src/Entity/Node.php
NoLanguageEntityTest.php in core/modules/language/tests/language_test/src/Entity/NoLanguageEntityTest.php
path.module in core/modules/path/path.module
Enables users to rename URLs.
PathAlias.php in core/modules/path_alias/src/Entity/PathAlias.php
RecursiveContextualValidatorTest.php in core/tests/Drupal/KernelTests/Core/TypedData/RecursiveContextualValidatorTest.php
rest_test.module in core/modules/rest/tests/modules/rest_test/rest_test.module
Contains hook implementations for testing REST module.
RevisionLogEntityTrait.php in core/lib/Drupal/Core/Entity/RevisionLogEntityTrait.php
Shortcut.php in core/modules/shortcut/src/Entity/Shortcut.php
Sql.php in core/modules/migrate/src/Plugin/migrate/id_map/Sql.php
SqlContentEntityStorageSchema.php in core/lib/Drupal/Core/Entity/Sql/SqlContentEntityStorageSchema.php
SqlContentEntityStorageSchemaTest.php in core/tests/Drupal/KernelTests/Core/Entity/Sql/SqlContentEntityStorageSchemaTest.php
StringIdEntityTest.php in core/modules/migrate/tests/modules/migrate_entity_test/src/Entity/StringIdEntityTest.php
Term.php in core/modules/taxonomy/src/Entity/Term.php
TestItemTest.php in core/modules/field/tests/src/Kernel/TestItemTest.php
TextItemBaseTest.php in core/modules/text/tests/src/Kernel/TextItemBaseTest.php
TypedDataTest.php in core/tests/Drupal/KernelTests/Core/TypedData/TypedDataTest.php
User.php in core/modules/user/src/Entity/User.php
ValidReferenceConstraintValidatorTest.php in core/tests/Drupal/KernelTests/Core/Entity/ValidReferenceConstraintValidatorTest.php
views_entity_test.module in core/modules/views/tests/modules/views_entity_test/views_entity_test.module
Contains main module functionality.
WidgetPluginManagerTest.php in core/modules/field/tests/src/Kernel/WidgetPluginManagerTest.php
Workspace.php in core/modules/workspaces/src/Entity/Workspace.php

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