Expanded class hierarchy of CourseObjectBook in Course 8.2

class \Drupal\Core\Entity\EntityBase implements EntityInterface uses RefinableCacheableDependencyTrait, DependencySerializationTrait
- class \Drupal\apigee_edge\Entity\EdgeEntityBase implements EdgeEntityInterface
- class \Drupal\Core\Config\Entity\ConfigEntityBase implements ConfigEntityInterface uses SynchronizableEntityTrait, PluginDependencyTrait
- class \Drupal\Core\Entity\ContentEntityBase implements \Drupal\Core\Entity\IteratorAggregate, ContentEntityInterface, TranslationStatusInterface uses EntityChangesDetectionTrait, SynchronizableEntityTrait
  - class \Drupal\access_unpublished\Entity\AccessToken implements AccessTokenInterface uses EntityChangedTrait
  - class \Drupal\activity_creator\Entity\Activity implements ActivityInterface uses EntityChangedTrait
  - class \Drupal\activity_creator\Entity\Activity implements ActivityInterface uses EntityChangedTrait
  - class \Drupal\activity_creator\Entity\Activity implements ActivityInterface uses EntityChangedTrait
  - class \Drupal\activity_creator\Entity\Activity implements ActivityInterface uses EntityChangedTrait
  - class \Drupal\activity_creator\Entity\Activity implements ActivityInterface uses EntityChangedTrait
  - class \Drupal\activity_creator\Entity\Activity implements ActivityInterface uses EntityChangedTrait
  - class \Drupal\activity_creator\Entity\Activity implements ActivityInterface uses EntityChangedTrait
  - class \Drupal\activity_creator\Entity\Activity implements ActivityInterface uses EntityChangedTrait
  - class \Drupal\activity_creator\Entity\Activity implements ActivityInterface uses EntityChangedTrait
  - class \Drupal\aggregator\Entity\Feed implements FeedInterface
  - class \Drupal\aggregator\Entity\Item implements ItemInterface
  - class \Drupal\alinks\Entity\Keyword implements KeywordInterface uses EntityChangedTrait
  - class \Drupal\apigee_edge_teams\Entity\TeamInvitation implements TeamInvitationInterface uses StringTranslationTrait, EntityOwnerTrait
  - class \Drupal\apigee_edge_teams\Entity\TeamMemberRole implements TeamMemberRoleInterface uses EntityChangedTrait
  - class \Drupal\audit_log\Entity\AuditLog implements AuditLogInterface uses EntityChangedTrait
  - class \Drupal\avatars\Entity\AvatarCache implements AvatarCacheInterface
  - class \Drupal\avatars\Entity\AvatarPreview implements AvatarPreviewInterface
  - class \Drupal\background_image\Entity\BackgroundImage implements BackgroundImageInterface uses \Symfony\Component\DependencyInjection\ContainerAwareTrait, EntityChangedTrait, StringTranslationTrait
  - class \Drupal\bat\Entity\TypeGroup implements TypeGroupInterface uses EntityChangedTrait
  - class \Drupal\bat_booking\Entity\Booking implements BookingInterface uses EntityChangedTrait
  - class \Drupal\bat_event\Entity\Event implements EventInterface uses EntityChangedTrait
  - class \Drupal\bat_event\Entity\State implements StateInterface uses EntityChangedTrait
  - class \Drupal\bat_event_series\Entity\EventSeries implements EventSeriesInterface uses EntityChangedTrait
  - class \Drupal\bat_unit\Entity\Unit implements UnitInterface uses EntityChangedTrait
  - class \Drupal\bat_unit\Entity\UnitType implements UnitTypeInterface uses EntityChangedTrait
  - class \Drupal\bibcite_entity\Entity\Contributor implements ContributorInterface uses EntityChangedTrait
  - class \Drupal\bibcite_entity\Entity\Keyword implements KeywordInterface uses EntityChangedTrait
  - class \Drupal\bootstrap_simple_carousel\Entity\CarouselItem implements CarouselItemInterface
  - class \Drupal\brightcove\Entity\BrightcoveCmsEntity implements BrightcoveCMSEntityInterface uses EntityChangedFieldsTrait, EntityChangedTrait
  - class \Drupal\brightcove\Entity\BrightcoveCmsEntity implements BrightcoveCMSEntityInterface uses EntityChangedFieldsTrait, EntityChangedTrait
  - class \Drupal\brightcove\Entity\BrightcoveTextTrack implements BrightcoveTextTrackInterface uses EntityChangedFieldsTrait, EntityChangedTrait
  - class \Drupal\brightcove\Entity\BrightcoveTextTrack implements BrightcoveTextTrackInterface uses EntityChangedFieldsTrait, EntityChangedTrait
  - class \Drupal\broken_link\Entity\BrokenLink implements ContentEntityInterface
  - class \Drupal\broken_link\Entity\BrokenLink implements ContentEntityInterface
  - class \Drupal\broken_link\Entity\BrokenLink implements ContentEntityInterface
  - class \Drupal\broken_link\Entity\BrokenLinkRedirect implements ContentEntityInterface
  - class \Drupal\broken_link\Entity\BrokenLinkRedirect implements ContentEntityInterface
  - class \Drupal\broken_link\Entity\BrokenLinkRedirect implements ContentEntityInterface
  - class \Drupal\build_hooks\Entity\Deployment implements DeploymentInterface, EntityChangedInterface, RevisionLogInterface uses EntityChangedTrait, RevisionLogEntityTrait
  - class \Drupal\cacheflush_entity\Entity\CacheflushEntity implements CacheflushEntityInterface uses EntityChangedTrait
  - class \Drupal\civicrm_entity\Entity\CivicrmEntity
  - class \Drupal\cms_content_sync\Entity\EntityStatus implements EntityStatusInterface uses EntityChangedTrait
  - class \Drupal\colossal_menu\Entity\Link implements LinkInterface uses EntityChangedTrait
  - class \Drupal\comment\Entity\Comment implements CommentInterface uses EntityChangedTrait, EntityPublishedTrait, EntityOwnerTrait
  - class \Drupal\commerce\Entity\CommerceContentEntityBase implements CommerceContentEntityInterface
  - class \Drupal\commerce_license\Entity\License implements LicenseInterface uses EntityOwnerTrait, EntityChangedTrait
  - class \Drupal\commerce_log\Entity\Log implements LogInterface
  - class \Drupal\commerce_number_pattern_test\Entity\EntityTestWithStore implements EntityStoreInterface
  - class \Drupal\commerce_payment\Entity\Payment implements PaymentInterface
  - class \Drupal\commerce_payment\Entity\PaymentMethod implements PaymentMethodInterface uses EntityOwnerTrait, EntityChangedTrait
  - class \Drupal\commerce_product\Entity\ProductAttributeValue implements ProductAttributeValueInterface uses EntityChangedTrait
  - class \Drupal\commerce_product_bundle\Entity\ProductBundle implements BundleInterface uses EntityChangedTrait
  - class \Drupal\commerce_product_bundle\Entity\ProductBundleItem implements BundleItemInterface uses EntityChangedTrait
  - class \Drupal\commerce_recurring\Entity\Subscription implements SubscriptionInterface uses EntityOwnerTrait
  - class \Drupal\commerce_reports\Entity\OrderReport implements OrderReportInterface
  - class \Drupal\commerce_shipping\Entity\Shipment implements ShipmentInterface uses EntityChangedTrait
  - class \Drupal\commerce_shipping\Entity\ShippingMethod implements ShippingMethodInterface
  - class \Drupal\commerce_stock_local\Entity\StockLocation implements StockLocationInterface, LocalStockLocationInterface uses EntityOwnerTrait
  - class \Drupal\commerce_store\Entity\Store implements StoreInterface uses EntityOwnerTrait
  - class \Drupal\commerce_wishlist\Entity\Wishlist implements WishlistInterface uses EntityChangedTrait, EntityOwnerTrait
  - class \Drupal\commerce_wishlist\Entity\WishlistItem implements WishlistItemInterface uses EntityChangedTrait, StringTranslationTrait
  - class \Drupal\config_pages\Entity\ConfigPages implements ConfigPagesInterface uses EntityChangedTrait
  - class \Drupal\config_pages\Entity\ConfigPages implements ConfigPagesInterface uses EntityChangedTrait
  - class \Drupal\config_pages\Entity\ConfigPages implements ConfigPagesInterface uses EntityChangedTrait
  - class \Drupal\consumers\Entity\Consumer implements EntityOwnerInterface uses EntityChangedTrait, EntityOwnerTrait
  - class \Drupal\contact\Entity\Message implements MessageInterface
  - class \Drupal\contact_emails\Entity\ContactEmail implements ContactEmailInterface uses EntityChangedTrait
  - class \Drupal\content_entity_example\Entity\Contact implements ContactInterface uses EntityChangedTrait
  - class \Drupal\content_kanban\Entity\KanbanLog implements KanbanLogInterface uses EntityChangedTrait
  - class \Drupal\content_moderation\Entity\ContentModerationState implements ContentModerationStateInterface uses EntityOwnerTrait
  - class \Drupal\content_synchronizer\Entity\ExportEntity implements ExportEntityInterface uses EntityChangedTrait
  - class \Drupal\content_synchronizer\Entity\ExportEntity implements ExportEntityInterface uses EntityChangedTrait
  - class \Drupal\content_synchronizer\Entity\ImportEntity implements ImportEntityInterface uses JsonWriterTrait, EntityChangedTrait
  - class \Drupal\content_synchronizer\Entity\ImportEntity implements ImportEntityInterface uses JsonWriterTrait, EntityChangedTrait
  - class \Drupal\Core\Entity\EditorialContentEntityBase implements EntityChangedInterface, EntityPublishedInterface, RevisionLogInterface uses EntityChangedTrait, EntityPublishedTrait, RevisionLogEntityTrait
  - class \Drupal\Core\Entity\RevisionableContentEntityBase implements RevisionLogInterface uses RevisionLogEntityTrait
  - class \Drupal\country_state_city\Entity\CityList implements CityListInterface uses EntityChangedTrait
  - class \Drupal\country_state_city\Entity\CountryList implements CountryListInterface uses EntityChangedTrait
  - class \Drupal\country_state_city\Entity\StateList implements StateListInterface uses EntityChangedTrait
  - class \Drupal\courier\ChannelBase implements ChannelInterface uses TokenTrait
  - class \Drupal\courier\Entity\MessageQueueItem implements MessageQueueItemInterface
  - class \Drupal\courier\Entity\TemplateCollection implements TemplateCollectionInterface uses TokenTrait
  - class \Drupal\course\Entity\Course
  - class \Drupal\course\Entity\Course
  - class \Drupal\course\Entity\CourseEnrollment
  - class \Drupal\course\Entity\CourseEnrollment
  - class \Drupal\course\Helper\CourseHandler
  - class \Drupal\course\Helper\CourseHandler
    class \Drupal\course\Entity\CourseObject
    class \Drupal\course\Course\Object\CourseObjectBroken
    
    class \Drupal\course_certificate\Plugin\course\CourseObject\CourseObjectCertificate
    
    class \Drupal\course_content\Course\Object\CourseObjectNode
    class \Drupal\course_book\Plugin\course\CourseObject\CourseObjectBook
    
    class \Drupal\course_content\Plugin\course\CourseObject\CourseObjectContent
    
    class \Drupal\course_object_manual\Plugin\course\CourseObject\CourseObjectManual
    
    class \Drupal\course_quiz\Plugin\course\CourseObject\CourseObjectQuiz
    
    class \Drupal\course_test\Plugin\course\CourseObject\CourseObjectTest
    
    class \Drupal\course_webform\Plugin\course\CourseObject\CourseObjectWebform
    
    class \Drupal\course\Entity\CourseObjectFulfillment
  - class \Drupal\crm_core_activity\Entity\Activity implements ActivityInterface uses EntityOwnerTrait
  - class \Drupal\crm_core_user_sync\Entity\Relation implements RelationInterface
  - class \Drupal\crm_core_user_sync\Entity\Relation implements RelationInterface
  - class \Drupal\crop\Entity\Crop implements CropInterface
  - class \Drupal\crop\Entity\Crop implements CropInterface
  - class \Drupal\data_policy\Entity\UserConsent implements UserConsentInterface uses EntityChangedTrait
  - class \Drupal\domain_path\Entity\DomainPath implements DomainPathInterface
  - class \Drupal\eck\Entity\EckEntity implements EntityPublishedInterface, EckEntityInterface uses EntityPublishedTrait
  - class \Drupal\editor_note\Entity\EditorNote implements ContentEntityInterface uses EntityChangedTrait
  - class \Drupal\email_confirmer\Entity\EmailConfirmation implements EmailConfirmationInterface
  - class \Drupal\entityform\Entity\EntityformSubmission
  - class \Drupal\entityform\Entity\EntityformSubmission implements ContentEntityInterface
  - class \Drupal\entity\Revision\RevisionableContentEntityBase
  - class \Drupal\entity_embed\Entity\EntityEmbedFakeEntity
  - class \Drupal\entity_hierarchy_microsite\Entity\Microsite implements MicrositeInterface
  - class \Drupal\entity_hierarchy_microsite\Entity\MicrositeMenuItemOverride implements MicrositeMenuItemOverrideInterface
  - class \Drupal\entity_legal\Entity\EntityLegalDocumentAcceptance implements EntityLegalDocumentAcceptanceInterface
  - class \Drupal\entity_legal\Entity\EntityLegalDocumentVersion implements EntityLegalDocumentVersionInterface uses EntityChangedTrait
  - class \Drupal\entity_module_bundle_plugin_test\Entity\EntityTestBundlePlugin
  - class \Drupal\entity_share_client\Entity\EntityImportStatus implements EntityImportStatusInterface
  - class \Drupal\entity_test\Entity\EntityTest implements EntityOwnerInterface
  - class \Drupal\entity_test\Entity\EntityTestWithBundle
  - class \Drupal\entity_test_update\Entity\EntityTestUpdate
  - class \Drupal\entity_update_tests\Entity\EntityUpdateTestsContentEntity
  - class \Drupal\entity_update_tests\Entity\EntityUpdateTestsContentEntity02
  - class \Drupal\feeds\Entity\Feed implements FeedInterface uses EntityChangedTrait
  - class \Drupal\feeds\Entity\Subscription implements SubscriptionInterface
  - class \Drupal\field_collection\Entity\FieldCollectionItem implements FieldCollectionItemInterface
  - class \Drupal\field_collection\Entity\FieldCollectionItem implements FieldCollectionItemInterface
  - class \Drupal\field_encrypt\Entity\EncryptedFieldValue implements EncryptedFieldValueInterface
  - class \Drupal\filebrowser\Entity\Filebrowser implements FilebrowserInterface
  - class \Drupal\filebrowser\Entity\FilebrowserMetadataEntity implements FilebrowserMetadataEntityInterface uses EntityChangedTrait
  - class \Drupal\file\Entity\File implements FileInterface uses EntityChangedTrait, EntityOwnerTrait
  - class \Drupal\fillpdf\Entity\FillPdfFileContext implements FillPdfFileContextInterface
  - class \Drupal\fillpdf\Entity\FillPdfForm implements FillPdfFormInterface
  - class \Drupal\fillpdf\Entity\FillPdfFormField implements FillPdfFormFieldInterface
  - class \Drupal\flag\Entity\Flagging implements FlaggingInterface
  - class \Drupal\flag_lists\Entity\FlagListItem implements FlagListItemInterface uses EntityChangedTrait
  - class \Drupal\flipbook\Entity\Flipbook implements FlipbookInterface
  - class \Drupal\flipping_book\Entity\FlippingBook implements FlippingBookInterface uses EntityChangedTrait
  - class \Drupal\fontyourface\Entity\Font implements FontInterface uses EntityChangedTrait
  - class \Drupal\formassembly\Entity\FormAssemblyEntity implements FormAssemblyEntityInterface uses EntityChangedTrait
  - class \Drupal\forms_steps\Entity\Workflow implements WorkflowInterface uses EntityChangedTrait
  - class \Drupal\gathercontent\Entity\GathercontentOperation implements GathercontentOperationInterface uses EntityChangedTrait
  - class \Drupal\gathercontent\Entity\GathercontentOperationItem implements GathercontentOperationItemInterface uses EntityChangedTrait
  - class \Drupal\gathercontent\Entity\Operation implements OperationInterface uses EntityChangedTrait
  - class \Drupal\gathercontent\Entity\Operation implements OperationInterface uses EntityChangedTrait
  - class \Drupal\gathercontent\Entity\OperationItem implements OperationItemInterface uses EntityChangedTrait
  - class \Drupal\gathercontent\Entity\OperationItem implements OperationItemInterface uses EntityChangedTrait
  - class \Drupal\gatsby_fastbuilds\Entity\GatsbyLogEntity implements GatsbyLogEntityInterface
  - class \Drupal\gauth\Entity\Gauth implements GauthInterface
  - class \Drupal\gdpr_tasks\Entity\Task implements TaskInterface uses EntityChangedTrait
  - class \Drupal\gdpr_tasks\Entity\Task implements TaskInterface uses EntityChangedTrait, StringTranslationTrait
  - class \Drupal\google_api_client\Entity\GoogleApiClient implements GoogleApiClientInterface
  - class \Drupal\google_api_client\Entity\GoogleApiClient implements GoogleApiClientInterface
  - class \Drupal\google_api_client\Entity\GoogleApiClient implements GoogleApiClientInterface
  - class \Drupal\group\Entity\GroupContent implements GroupContentInterface uses EntityChangedTrait, EntityOwnerTrait
  - class \Drupal\group_content_menu\Entity\GroupContentMenu implements GroupContentMenuInterface
  - class \Drupal\group_test_plugin\Entity\EntityTestWithOwner implements EntityOwnerInterface uses EntityOwnerTrait
  - class \Drupal\httpbl\Entity\Host implements ContentEntityInterface, HostInterface uses EntityChangedTrait
  - class \Drupal\image_hotspots\Entity\ImageHotspot implements ImageHotspotInterface
  - class \Drupal\image_slider\Entity\Slider implements SliderInterface uses EntityChangedTrait
  - class \Drupal\ingredient\Entity\Ingredient implements IngredientInterface uses EntityChangedTrait
  - class \Drupal\inline_entity_form_test\Entity\EntityTestWithoutBundle
  - class \Drupal\instagram_feeds\Entity\InstagramAccount implements InstagramAccountInterface uses EntityPublishedTrait
  - class \Drupal\invite\Entity\Invite implements InviteInterface uses EntityChangedTrait
  - class \Drupal\ip_ranges\Entity\IpRanges implements ContentEntityInterface
  - class \Drupal\job_scheduler\Entity\JobSchedule implements ContentEntityInterface
  - class \Drupal\language_test\Entity\NoLanguageEntityTest
  - class \Drupal\legal\Entity\Accepted implements AcceptedInterface uses EntityChangedTrait
  - class \Drupal\legal\Entity\Conditions implements ConditionsInterface uses EntityChangedTrait
  - class \Drupal\library\Entity\LibraryItem implements LibraryItemInterface uses EntityChangedTrait
  - class \Drupal\library\Entity\LibraryTransaction implements LibraryTransactionInterface uses EntityChangedTrait
  - class \Drupal\lingotek\Entity\LingotekContentMetadata
  - class \Drupal\linkchecker\Entity\LinkCheckerLink implements LinkCheckerLinkInterface uses EntityPublishedTrait
  - class \Drupal\log\Entity\Log implements LogInterface uses EntityChangedTrait
  - class \Drupal\lti_tool_provider\Entity\LtiToolProviderConsumer implements ContentEntityInterface
  - class \Drupal\lti_tool_provider\Entity\Nonce implements ContentEntityInterface
  - class \Drupal\lti_tool_provider_provision\Entity\LtiToolProviderProvision implements ContentEntityInterface
  - class \Drupal\maestro\Entity\MaestroEntityIdentifiers uses EntityChangedTrait
  - class \Drupal\maestro\Entity\MaestroProcess implements MaestroProcessInterface uses EntityChangedTrait
  - class \Drupal\maestro\Entity\MaestroProcessStatus implements MaestroProcessInterface uses EntityChangedTrait
  - class \Drupal\maestro\Entity\MaestroProcessVariables implements MaestroProcessInterface uses EntityChangedTrait
  - class \Drupal\maestro\Entity\MaestroProductionAssignments implements MaestroProcessInterface uses EntityChangedTrait
  - class \Drupal\maestro\Entity\MaestroQueue implements MaestroProcessInterface uses EntityChangedTrait
  - class \Drupal\mailchimp_campaign\Entity\MailchimpCampaign implements MailchimpCampaignInterface
  - class \Drupal\mailing_list\Entity\Subscription implements SubscriptionInterface uses EntityChangedTrait
  - class \Drupal\mass_contact\Entity\MassContactMessage implements MassContactMessageInterface
  - class \Drupal\media_entity\Entity\Media implements MediaInterface uses EntityChangedTrait
  - class \Drupal\media_entity\Media
  - class \Drupal\media_gallery\Entity\MediaGallery implements MediaGalleryInterface uses EntityChangedTrait, EntityPublishedTrait
  - class \Drupal\mentions\Entity\Mentions implements MentionsInterface
  - class \Drupal\mentions\Entity\Mentions implements MentionsInterface
  - class \Drupal\mentions\Entity\Mentions implements MentionsInterface
  - class \Drupal\mentions\Entity\Mentions implements MentionsInterface
  - class \Drupal\mentions\Entity\Mentions implements MentionsInterface
  - class \Drupal\mentions\Entity\Mentions implements MentionsInterface
  - class \Drupal\mentions\Entity\Mentions implements MentionsInterface
  - class \Drupal\mentions\Entity\Mentions implements MentionsInterface
  - class \Drupal\mentions\Entity\Mentions implements MentionsInterface
  - class \Drupal\message\Entity\Message implements MessageInterface
  - class \Drupal\migrate_entity_test\Entity\StringIdEntityTest
  - class \Drupal\modal_page\Entity\Modal implements ModalPageInterface uses EntityChangedTrait
  - class \Drupal\modal_page\Entity\Modal implements ModalPageInterface uses EntityChangedTrait
  - class \Drupal\monitoring\Entity\SensorResultEntity implements SensorResultDataInterface
  - class \Drupal\multiversion\Entity\Workspace implements WorkspaceInterface uses EntityChangedTrait, EntityPublishedTrait
  - class \Drupal\oauth2_server\Entity\AuthorizationCode implements AuthorizationCodeInterface
  - class \Drupal\oauth2_server\Entity\Token implements TokenInterface
  - class \Drupal\oauth2_server\Entity\TokenIdentifier
  - class \Drupal\og\Entity\OgMembership implements OgMembershipInterface
  - class \Drupal\og_menu\Entity\OgMenuInstance implements OgMenuInstanceInterface
  - class \Drupal\openapi_test\Entity\OpenApiTestEntity implements OpenApiTestEntityInterface uses EntityChangedTrait
  - class \Drupal\openapi_test\Entity\OpenApiTestEntity implements OpenApiTestEntityInterface uses EntityChangedTrait
  - class \Drupal\opigno_group_manager\Entity\OpignoGroupManagedContent
  - class \Drupal\opigno_group_manager\Entity\OpignoGroupManagedLink
  - class \Drupal\opigno_ilt\Entity\ILT implements ILTInterface uses EntityChangedTrait
  - class \Drupal\opigno_ilt\Entity\ILTResult implements ILTResultInterface
  - class \Drupal\opigno_learning_path\Entity\LatestActivity implements LatestActivityInterface
  - class \Drupal\opigno_learning_path\Entity\LPManagedContent
  - class \Drupal\opigno_learning_path\Entity\LPManagedLink
  - class \Drupal\opigno_learning_path\Entity\LPModuleAvailability
  - class \Drupal\opigno_learning_path\Entity\LPResult
  - class \Drupal\opigno_learning_path\Entity\LPStatus implements LPStatusInterface
  - class \Drupal\opigno_module\Entity\UserModuleStatus implements UserModuleStatusInterface uses EntityChangedTrait
  - class \Drupal\opigno_moxtra\Entity\Meeting implements MeetingInterface uses EntityChangedTrait
  - class \Drupal\opigno_moxtra\Entity\MeetingResult implements MeetingResultInterface
  - class \Drupal\opigno_moxtra\Entity\Workspace implements WorkspaceInterface uses EntityChangedTrait
  - class \Drupal\opigno_notification\Entity\OpignoNotification implements OpignoNotificationInterface
  - class \Drupal\paragraphs\Entity\Paragraph implements ParagraphInterface uses EntityPublishedTrait, StringTranslationTrait, EntityNeedsSaveTrait
  - class \Drupal\paragraphs_frontend_ui\Entity\ParagraphSet implements ParagraphSetInterface uses EntityChangedTrait
  - class \Drupal\pathauto_string_id_test\Entity\PathautoStringIdTest
  - class \Drupal\path_alias\Entity\PathAlias implements PathAliasInterface uses EntityPublishedTrait
  - class \Drupal\path_file\Entity\PathFileEntity implements PathFileEntityInterface uses EntityChangedTrait
  - class \Drupal\payment\Entity\Payment implements PaymentInterface uses EntityChangedTrait
  - class \Drupal\pbt_entity_test\Entity\TestEntity
  - class \Drupal\pbt_entity_test\Entity\TestEntity implements EntityPublishedInterface uses EntityPublishedTrait
  - class \Drupal\pet\Entity\Pet implements PetInterface
  - class \Drupal\pet\Entity\Pet implements PetInterface
  - class \Drupal\plugin_test_mvpbf\Entity\MultiValuePluginBaseField
  - class \Drupal\plugin_test_svpbf\Entity\SingleValuePluginBaseField
  - class \Drupal\poll\Entity\Poll implements PollInterface
  - class \Drupal\poll\Entity\PollChoice implements PollChoiceInterface
  - class \Drupal\popup_onload\Entity\PopupOnLoad implements PopupOnLoadInterface uses EntityChangedTrait
  - class \Drupal\preview_link\Entity\PreviewLink implements PreviewLinkInterface
  - class \Drupal\private_message\Entity\PrivateMessage implements PrivateMessageInterface
  - class \Drupal\private_message\Entity\PrivateMessage implements PrivateMessageInterface
  - class \Drupal\private_message\Entity\PrivateMessageThread implements PrivateMessageThreadInterface
  - class \Drupal\private_message\Entity\PrivateMessageThread implements PrivateMessageThreadInterface
  - class \Drupal\private_message\Entity\PrivateMessageThreadAccessTime implements PrivateMessageThreadAccessTimeInterface
  - class \Drupal\private_message\Entity\PrivateMessageThreadDeleteTime implements PrivateMessageThreadDeleteTimeInterface
  - class \Drupal\profile\Entity\Profile implements ProfileInterface
  - class \Drupal\push_notifications\Entity\PushNotification implements PushNotificationInterface
  - class \Drupal\push_notifications\Entity\PushNotificationsToken implements PushNotificationsTokenInterface
  - class \Drupal\quiz\Entity\QuizQuestionRelationship
  - class \Drupal\quiz\Entity\QuizQuestionRelationship
  - class \Drupal\quiz\Entity\QuizResult implements EntityChangedInterface, EntityOwnerInterface uses EntityChangedTrait, EntityOwnerTrait
  - class \Drupal\quiz\Entity\QuizResult implements EntityChangedInterface, EntityOwnerInterface uses EntityChangedTrait, EntityOwnerTrait
  - class \Drupal\quiz\Entity\QuizResultAnswer uses QuizResultAnswerEntityTrait
  - class \Drupal\quiz\Entity\QuizResultAnswer uses QuizResultAnswerEntityTrait
  - class \Drupal\recently_read\Entity\RecentlyRead implements RecentlyReadInterface uses EntityChangedTrait
  - class \Drupal\redhen_connection\Entity\Connection implements ConnectionInterface uses EntityChangedTrait, StringTranslationTrait
  - class \Drupal\redhen_contact\Entity\Contact implements ContactInterface uses EntityChangedTrait
  - class \Drupal\redhen_org\Entity\Org implements OrgInterface uses EntityChangedTrait
  - class \Drupal\redirect\Entity\Redirect
  - class \Drupal\relation\Entity\Relation implements RelationInterface uses EntityChangedTrait
  - class \Drupal\relation\Entity\Relation implements RelationInterface uses EntityChangedTrait
  - class \Drupal\replication\Entity\ReplicationLog implements ReplicationLogInterface
  - class \Drupal\replication\Entity\ReplicationLog implements ReplicationLogInterface
  - class \Drupal\rng\Entity\Group implements GroupInterface
  - class \Drupal\rng\Entity\Group implements GroupInterface
  - class \Drupal\rng\Entity\Registrant implements RegistrantInterface
  - class \Drupal\rng\Entity\Registrant implements RegistrantInterface
  - class \Drupal\rng\Entity\Registration implements RegistrationInterface uses EntityChangedTrait
  - class \Drupal\rng\Entity\Registration implements RegistrationInterface uses EntityChangedTrait
  - class \Drupal\rng\Entity\Rule implements RuleInterface
  - class \Drupal\rng\Entity\Rule implements RuleInterface
  - class \Drupal\rng\Entity\RuleComponent implements RuleComponentInterface
  - class \Drupal\rng\Entity\RuleComponent implements RuleComponentInterface
  - class \Drupal\rng\Entity\RuleSchedule implements RuleScheduleInterface
  - class \Drupal\rng\Entity\RuleSchedule implements RuleScheduleInterface
  - class \Drupal\rng_contact\Entity\RngContact implements RngContactInterface uses EntityChangedTrait
  - class \Drupal\role_watchdog\Entity\RoleWatchdog implements RoleWatchdogInterface uses EntityChangedTrait
  - class \Drupal\scheduled_transitions\Entity\ScheduledTransition implements ScheduledTransitionInterface
  - class \Drupal\scheduled_updates\Entity\ScheduledUpdate implements ScheduledUpdateInterface uses EntityChangedTrait, StringTranslationTrait
  - class \Drupal\search_api\Entity\Task implements TaskInterface
  - class \Drupal\search_api_saved_searches\Entity\SavedSearch implements SavedSearchInterface
  - class \Drupal\search_api_synonym\Entity\Synonym implements SynonymInterface uses EntityChangedTrait
  - class \Drupal\sendinblue\Entity\Signup
  - class \Drupal\sendinblue\Entity\Signup
  - class \Drupal\shortcut\Entity\Shortcut implements ShortcutInterface
  - class \Drupal\simplemeta\Entity\SimplemetaEntity implements SimplemetaEntityInterface
  - class \Drupal\simplemeta\Entity\SimplemetaEntity implements SimplemetaEntityInterface
  - class \Drupal\simplenews\Entity\Subscriber implements SubscriberInterface
  - class \Drupal\simplenews\Entity\Subscriber implements SubscriberInterface
  - class \Drupal\simple_oauth\Entity\AccessToken implements AccessTokenInterface uses EntityChangedTrait
  - class \Drupal\simple_oauth\Entity\Oauth2Client implements Oauth2ClientInterface uses EntityChangedTrait
  - class \Drupal\simple_oauth\Entity\Oauth2Token implements Oauth2TokenInterface uses EntityChangedTrait
  - class \Drupal\simple_oauth\Entity\Oauth2Token implements Oauth2TokenInterface uses EntityChangedTrait
  - class \Drupal\simple_oauth\Entity\Oauth2Token implements Oauth2TokenInterface uses EntityChangedTrait
  - class \Drupal\site_alert\Entity\SiteAlert
  - class \Drupal\site_settings\Entity\SiteSettingEntity implements SiteSettingEntityInterface uses EntityChangedTrait
  - class \Drupal\smart_date_recur\Entity\SmartDateOverride uses EntityChangedTrait
  - class \Drupal\smart_date_recur\Entity\SmartDateRule uses EntityChangedTrait, StringTranslationTrait
  - class \Drupal\sms\Entity\PhoneNumberVerification implements PhoneNumberVerificationInterface
  - class \Drupal\sms\Entity\SmsDeliveryReport implements SmsDeliveryReportInterface uses EntityChangedTrait
  - class \Drupal\sms\Entity\SmsMessage implements SmsMessageInterface
  - class \Drupal\sms\Entity\SmsMessageResult implements SmsMessageResultInterface
  - class \Drupal\social_api\Entity\SocialApi implements ContentEntityInterface
  - class \Drupal\social_event\Entity\EventEnrollment implements EventEnrollmentInterface uses EntityChangedTrait
  - class \Drupal\social_event\Entity\EventEnrollment implements EventEnrollmentInterface uses EntityChangedTrait
  - class \Drupal\social_event\Entity\EventEnrollment implements EventEnrollmentInterface uses EntityChangedTrait
  - class \Drupal\social_event\Entity\EventEnrollment implements EventEnrollmentInterface uses EntityChangedTrait
  - class \Drupal\social_event\Entity\EventEnrollment implements EventEnrollmentInterface uses EntityChangedTrait
  - class \Drupal\social_event\Entity\EventEnrollment implements EventEnrollmentInterface uses EntityChangedTrait
  - class \Drupal\social_event\Entity\EventEnrollment implements EventEnrollmentInterface uses EntityChangedTrait
  - class \Drupal\social_event\Entity\EventEnrollment implements EventEnrollmentInterface uses EntityChangedTrait
  - class \Drupal\social_event\Entity\EventEnrollment implements EventEnrollmentInterface uses EntityChangedTrait
  - class \Drupal\social_font\Entity\Font implements FontInterface uses EntityChangedTrait
  - class \Drupal\social_font\Entity\Font implements FontInterface uses EntityChangedTrait
  - class \Drupal\social_font\Entity\Font implements FontInterface uses EntityChangedTrait
  - class \Drupal\social_font\Entity\Font implements FontInterface uses EntityChangedTrait
  - class \Drupal\social_font\Entity\Font implements FontInterface uses EntityChangedTrait
  - class \Drupal\social_font\Entity\Font implements FontInterface uses EntityChangedTrait
  - class \Drupal\social_font\Entity\Font implements FontInterface uses EntityChangedTrait
  - class \Drupal\social_font\Entity\Font implements FontInterface uses EntityChangedTrait
  - class \Drupal\social_font\Entity\Font implements FontInterface uses EntityChangedTrait
  - class \Drupal\social_post\Entity\Post implements PostInterface uses EntityChangedTrait
  - class \Drupal\social_post\Entity\Post implements PostInterface uses EntityChangedTrait
  - class \Drupal\social_post\Entity\Post implements PostInterface uses EntityChangedTrait, EntityUrlLanguageTrait
  - class \Drupal\social_post\Entity\Post implements PostInterface uses EntityChangedTrait
  - class \Drupal\social_post\Entity\Post implements PostInterface uses EntityChangedTrait
  - class \Drupal\social_post\Entity\Post implements PostInterface uses EntityChangedTrait
  - class \Drupal\social_post\Entity\Post implements PostInterface uses EntityChangedTrait
  - class \Drupal\social_post\Entity\Post implements PostInterface uses EntityChangedTrait, EntityUrlLanguageTrait
  - class \Drupal\social_post\Entity\Post implements PostInterface uses EntityChangedTrait
  - class \Drupal\social_queue_storage\Entity\QueueStorageEntity implements QueueStorageEntityInterface uses EntityChangedTrait
  - class \Drupal\social_queue_storage\Entity\QueueStorageEntity implements QueueStorageEntityInterface uses EntityChangedTrait
  - class \Drupal\social_user_export\ExportUser
  - class \Drupal\social_user_export\ExportUser
  - class \Drupal\social_user_export\ExportUser
  - class \Drupal\splashify\Entity\SplashifyEntity implements SplashifyEntityInterface uses EntityChangedTrait
  - class \Drupal\splashify\Entity\SplashifyGroupEntity implements SplashifyGroupEntityInterface uses EntityChangedTrait
  - class \Drupal\statusmessage\Entity\Status implements StatusInterface uses EntityChangedTrait
  - class \Drupal\styled_google_map_demo\Entity\RealEstate implements RealEstateInterface uses EntityChangedTrait
  - class \Drupal\support_ticket\Entity\SupportTicket implements SupportTicketInterface uses EntityChangedTrait
  - class \Drupal\thunder_updater\Entity\Update
  - class \Drupal\tmgmt\Entity\Job implements JobInterface, EntityOwnerInterface
  - class \Drupal\tmgmt\Entity\JobItem implements JobItemInterface
  - class \Drupal\tmgmt\Entity\Message implements MessageInterface
  - class \Drupal\tmgmt\Entity\RemoteMapping implements RemoteMappingInterface
  - class \Drupal\tmgmt_local\Entity\LocalTask implements LocalTaskInterface uses EntityChangedTrait
  - class \Drupal\tmgmt_local\Entity\LocalTaskItem implements LocalTaskItemInterface uses EntityChangedTrait
  - class \Drupal\token_custom\Entity\TokenCustom implements TokenCustomInterface
  - class \Drupal\transaction\Entity\Transaction implements TransactionInterface
  - class \Drupal\tweet_feed\Entity\TweetEntity implements TweetEntityInterface uses EntityChangedTrait
  - class \Drupal\tweet_feed\Entity\TwitterProfileEntity implements TwitterProfileEntityInterface uses EntityChangedTrait
  - class \Drupal\twitter_profile_widget\Entity\TwitterWidget implements TwitterWidgetInterface uses EntityChangedTrait
  - class \Drupal\uc_cart\Entity\CartItem implements CartItemInterface uses EntityChangedTrait
  - class \Drupal\uc_order\Entity\Order implements OrderInterface uses EntityChangedTrait
  - class \Drupal\uc_order\Entity\OrderProduct implements OrderProductInterface
  - class \Drupal\uc_payment\Entity\PaymentReceipt implements PaymentReceiptInterface
  - class \Drupal\uc_wishlist\Entity\UcWishlist implements UcWishlistInterface
  - class \Drupal\update_helper_checklist\Entity\Update implements UpdateInterface
  - class \Drupal\user\Entity\User implements UserInterface uses EntityChangedTrait
  - class \Drupal\user_badges\Entity\Badge implements BadgeInterface
  - class \Drupal\video_transcode\Entity\TranscodeJob implements TranscodeJobInterface uses EntityChangedTrait
  - class \Drupal\votingapi\Entity\Vote implements VoteInterface
  - class \Drupal\votingapi\Entity\VoteResult implements VoteResultInterface
  - class \Drupal\weather\Entity\WeatherDisplay implements WeatherDisplayInterface
  - class \Drupal\weather\Entity\WeatherDisplayPlace implements WeatherDisplayPlaceInterface
  - class \Drupal\weather\Entity\WeatherForecast implements WeatherForecastInterface
  - class \Drupal\weather\Entity\WeatherForecastInformation implements WeatherForecastInformationInterface
  - class \Drupal\weather\Entity\WeatherPlace implements WeatherPlaceInterface
  - class \Drupal\webform\Entity\WebformSubmission implements WebformSubmissionInterface uses EntityChangedTrait, StringTranslationTrait
  - class \Drupal\webform_protected_downloads\Entity\WebformProtectedDownloads
  - class \Drupal\webhook\Entity\Webhook implements WebhookInterface
  - class \Drupal\workbench_access\Entity\SectionAssociation implements SectionAssociationInterface
  - class \Drupal\workflow\Entity\WorkflowTransition implements WorkflowTransitionInterface uses MessengerTrait, StringTranslationTrait, WorkflowTypeAttributeTrait
  - class \Drupal\workspaces\Entity\Workspace implements WorkspaceInterface uses EntityChangedTrait, EntityOwnerTrait
  - class \Drupal\workspace\Entity\Replication implements ContentEntityInterface, EntityChangedInterface, EntityOwnerInterface uses EntityChangedTrait
  - class \Drupal\workspace\Entity\Workspace implements WorkspaceInterface uses EntityChangedTrait
  - class \Drupal\workspace\Entity\WorkspaceAssociation
  - class \Drupal\workspace\Entity\WorkspacePointer implements WorkspacePointerInterface uses EntityChangedTrait
  - class \Drupal\yamlform\Entity\YamlFormSubmission implements YamlFormSubmissionInterface uses EntityChangedTrait, StringTranslationTrait
- class \Drupal\Core\Entity\Entity
- class \Drupal\Tests\content_moderation\Unit\SimpleTestEntity
- class \Drupal\Tests\Core\Entity\RevisionableEntity implements RevisionableInterface
- class \Drupal\Tests\Core\Entity\SimpleTestEntity

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Expanded class hierarchy of CourseObjectBook in Course 8.2

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