Expanded class hierarchy of Counter in Drupal 9

class \Drupal\Component\Plugin\PluginBase implements DerivativeInspectionInterface, PluginInspectionInterface
- class \Drupal\activity_creator\Plugin\ActivityActionBase implements ActivityActionInterface
- class \Drupal\activity_creator\Plugin\ActivityActionBase implements ActivityActionInterface
- class \Drupal\activity_creator\Plugin\ActivityActionBase implements ActivityActionInterface
- class \Drupal\activity_creator\Plugin\ActivityActionBase implements ActivityActionInterface
- class \Drupal\activity_creator\Plugin\ActivityContextBase implements ActivityContextInterface, ContainerFactoryPluginInterface
- class \Drupal\activity_creator\Plugin\ActivityContextBase implements ActivityContextInterface, ContainerFactoryPluginInterface
- class \Drupal\activity_creator\Plugin\ActivityContextBase implements ActivityContextInterface, ContainerFactoryPluginInterface
- class \Drupal\activity_creator\Plugin\ActivityContextBase implements ActivityContextInterface, ContainerFactoryPluginInterface
- class \Drupal\activity_creator\Plugin\ActivityDestinationBase implements ActivityDestinationInterface
- class \Drupal\activity_creator\Plugin\ActivityDestinationBase implements ActivityDestinationInterface
- class \Drupal\activity_creator\Plugin\ActivityDestinationBase implements ActivityDestinationInterface
- class \Drupal\activity_creator\Plugin\ActivityDestinationBase implements ActivityDestinationInterface
- class \Drupal\activity_creator\Plugin\ActivityEntityConditionBase implements ActivityEntityConditionInterface
- class \Drupal\activity_creator\Plugin\ActivityEntityConditionBase implements ActivityEntityConditionInterface
- class \Drupal\activity_creator\Plugin\ActivityEntityConditionBase implements ActivityEntityConditionInterface
- class \Drupal\activity_creator\Plugin\ActivityEntityConditionBase implements ActivityEntityConditionInterface
- class \Drupal\activity_send\Plugin\ActivitySendBase implements ActivitySendInterface
- class \Drupal\activity_send\Plugin\ActivitySendBase implements ActivitySendInterface
- class \Drupal\activity_send\Plugin\ActivitySendBase implements ActivitySendInterface
- class \Drupal\activity_send\Plugin\ActivitySendBase implements ActivitySendInterface
- class \Drupal\activity_send_email\EmailFrequencyBase implements EmailFrequencyInterface
- class \Drupal\activity_send_email\EmailFrequencyBase implements EmailFrequencyInterface
- class \Drupal\activity_send_email\EmailFrequencyBase implements EmailFrequencyInterface
- class \Drupal\activity_send_email\EmailFrequencyBase implements EmailFrequencyInterface
- class \Drupal\backup_migrate\Drupal\EntityPlugins\WrapperPluginBase implements WrapperPluginInterface
- class \Drupal\bibcite\Plugin\BibCiteProcessorBase implements BibCiteProcessorInterface uses StringTranslationTrait
- class \Drupal\bibcite_entity\Plugin\BibciteLinkPluginBase implements BibciteLinkPluginInterface
- class \Drupal\bootstrap_styles\StylesGroup\StylesGroupPluginBase implements StylesGroupPluginInterface, ContainerFactoryPluginInterface uses StringTranslationTrait
- class \Drupal\bootstrap_styles\Style\StylePluginBase implements StylePluginInterface uses StringTranslationTrait
- class \Drupal\build_hooks\Plugin\FrontendEnvironmentBase implements FrontendEnvironmentInterface, PluginWithFormsInterface uses PluginWithFormsTrait, StringTranslationTrait
- class \Drupal\business_rules\Plugin\BusinessRulesItemPluginBase implements BusinessRulesItemPluginInterface
- class \Drupal\business_rules\Plugin\BusinessRulesReactsOnPlugin implements BusinessRulesReactsOnInterface
- class \Drupal\certificate\Plugin\CertificateMapperBase
- class \Drupal\charts\Plugin\chart\Library\ChartBase implements ChartInterface uses StringTranslationTrait
- class \Drupal\ckeditor_details\Plugin\CKEditorPlugin\DetailPlugin implements CKEditorPluginButtonsInterface, CKEditorPluginInterface
- class \Drupal\clientside_validation\CvValidatorBase implements CvValidatorInterface uses StringTranslationTrait
- class \Drupal\clientside_validation\CvValidatorBase implements CvValidatorInterface uses StringTranslationTrait
- class \Drupal\compiler\Plugin\CompilerPluginBase implements CompilerPluginInterface
- class \Drupal\Component\Plugin\ContextAwarePluginBase implements ContextAwarePluginInterface
- class \Drupal\config_normalizer\Plugin\ConfigNormalizerBase implements ConfigNormalizerInterface
- class \Drupal\content_sync\Plugin\SyncNormalizerDecoratorBase implements SyncNormalizerDecoratorInterface
- class \Drupal\Core\Menu\ContextualLinkDefault implements ContextualLinkInterface
- class \Drupal\Core\Menu\LocalActionDefault implements CacheableDependencyInterface, LocalActionInterface, ContainerFactoryPluginInterface uses DependencySerializationTrait
- class \Drupal\Core\Menu\LocalTaskDefault implements CacheableDependencyInterface, LocalTaskInterface uses DependencySerializationTrait
- class \Drupal\Core\Plugin\PluginBase uses DependencySerializationTrait, MessengerTrait, StringTranslationTrait
  - class \Drupal\activity_send_push_notification\PushBase implements PushInterface uses StringTranslationTrait
  - class \Drupal\activity_send_push_notification\PushBase implements PushInterface uses StringTranslationTrait
  - class \Drupal\activity_send_push_notification\PushBase implements PushInterface uses StringTranslationTrait
  - class \Drupal\activity_send_push_notification\PushBase implements PushInterface uses StringTranslationTrait
  - class \Drupal\aggregator\Plugin\AggregatorPluginSettingsBase implements ConfigurableInterface, DependentPluginInterface, PluginFormInterface
  - class \Drupal\anonymizer\Anonymizer\AnonymizerBase implements AnonymizerInterface, ContainerFactoryPluginInterface uses \Symfony\Component\DependencyInjection\ContainerAwareTrait
  - class \Drupal\bibcite\Plugin\BibciteFormat implements BibciteFormatInterface
  - class \Drupal\breakpoint\Breakpoint implements BreakpointInterface
  - class \Drupal\business_rules\Plugin\EntityReferenceSelection\BusinessRulesViewsSelection implements SelectionInterface, ContainerFactoryPluginInterface
  - class \Drupal\charts\Plugin\chart\Type\Type implements TypeInterface
  - class \Drupal\ckeditor\CKEditorPluginBase implements CKEditorPluginButtonsInterface, CKEditorPluginInterface
  - class \Drupal\ckeditor_tableselection\Plugin\CKEditorPlugin\CkeditorTableSelection implements CKEditorPluginContextualInterface, CKEditorPluginCssInterface, CKEditorPluginInterface
  - class \Drupal\ckeditor_tableselection\Plugin\CKEditorPlugin\CkeditorTableSelection implements CKEditorPluginContextualInterface, CKEditorPluginCssInterface, CKEditorPluginInterface
  - class \Drupal\cms_content_sync\Plugin\EntityHandlerBase implements EntityHandlerInterface, ContainerFactoryPluginInterface
  - class \Drupal\cms_content_sync\Plugin\EntityHandlerBase implements EntityHandlerInterface, ContainerFactoryPluginInterface
  - class \Drupal\cms_content_sync\Plugin\FieldHandlerBase implements FieldHandlerInterface, ContainerFactoryPluginInterface
  - class \Drupal\cms_content_sync\Plugin\FieldHandlerBase implements FieldHandlerInterface, ContainerFactoryPluginInterface
  - class \Drupal\config_translation\ConfigNamesMapper implements ConfigMapperInterface, ContainerFactoryPluginInterface
  - class \Drupal\content_synchronizer\Processors\Entity\EntityProcessorBase implements EntityProcessorInterface
  - class \Drupal\content_synchronizer\Processors\Type\TypeProcessorBase implements TypeProcessorInterface
  - class \Drupal\Core\Action\ActionBase implements ActionInterface
  - class \Drupal\Core\Block\BlockBase implements BlockPluginInterface, ContextAwarePluginInterface, PluginWithFormsInterface, PreviewFallbackInterface uses BlockPluginTrait, ContextAwarePluginAssignmentTrait, ContextAwarePluginTrait
  - class \Drupal\Core\Block\Plugin\Block\Broken implements BlockPluginInterface, ContainerFactoryPluginInterface uses BlockPluginTrait, CacheableDependencyTrait
  - class \Drupal\Core\Display\VariantBase implements VariantInterface uses RefinableCacheableDependencyTrait, PluginDependencyTrait
  - class \Drupal\Core\Entity\EntityReferenceSelection\SelectionPluginBase implements ConfigurableInterface, DependentPluginInterface, SelectionInterface
  - class \Drupal\Core\Executable\ExecutablePluginBase implements CacheableDependencyInterface, ExecutableInterface, ContextAwarePluginInterface uses ContextAwarePluginTrait
  - class \Drupal\Core\Field\PluginSettingsBase implements DependentPluginInterface, PluginSettingsInterface
  - class \Drupal\Core\Http\LinkRelationType implements LinkRelationTypeInterface
  - class \Drupal\Core\ImageToolkit\ImageToolkitBase implements ImageToolkitInterface
  - class \Drupal\Core\ImageToolkit\ImageToolkitOperationBase implements ImageToolkitOperationInterface
  - class \Drupal\Core\Layout\LayoutDefault implements LayoutInterface, PluginFormInterface uses ContextAwarePluginAssignmentTrait, ContextAwarePluginTrait
  - class \Drupal\Core\Menu\MenuLinkBase implements MenuLinkInterface
  - class \Drupal\Core\Render\Element\RenderElement implements ElementInterface
  - class \Drupal\course\Plugin\CourseObjectAccessPluginBase implements PluginFormInterface, CourseObjectAccessInterface
  - class \Drupal\course\Plugin\CourseObjectPluginBase implements CourseObjectInterface
  - class \Drupal\course\Plugin\CourseOutlinePluginBase implements CourseOutlineInterface
  - class \Drupal\data_stream\Plugin\DataStream\DataStreamType\DataStreamTypeBase implements ContainerFactoryPluginInterface, DataStreamTypeInterface
  - class \Drupal\date_recur\Plugin\DateRecurInterpreterPluginBase implements DateRecurInterpreterPluginInterface uses PluginWithFormsTrait
  - class \Drupal\date_recur\Plugin\DateRecurInterpreterPluginBase implements DateRecurInterpreterPluginInterface uses PluginWithFormsTrait
  - class \Drupal\date_recur\Plugin\DateRecurInterpreterPluginBase implements DateRecurInterpreterPluginInterface uses PluginWithFormsTrait
  - class \Drupal\devel\DevelDumperBase implements DevelDumperInterface
  - class \Drupal\devel_generate\DevelGenerateBase implements DevelGenerateBaseInterface
  - class \Drupal\easy_email_override\Plugin\Email\Email implements EmailInterface
  - class \Drupal\editor\Plugin\EditorBase implements EditorPluginInterface
  - class \Drupal\entity_extra_field\ExtraFieldTypePluginBase implements ExtraFieldTypePluginInterface uses PluginDependencyTrait
  - class \Drupal\entity_field_condition\Plugin\EntityFieldCondition\CompareType\EntityFieldCompareTypePluginBase implements EntityFieldCompareTypeInterface
  - class \Drupal\eu_cookie_compliance\Plugin\ConsentStorageBase implements ConsentStorageInterface
  - class \Drupal\farm_entity\FarmEntityTypeBase implements ContainerFactoryPluginInterface
  - class \Drupal\farm_quick\Plugin\QuickForm\QuickFormBase implements ContainerFactoryPluginInterface, QuickFormInterface uses MessengerTrait, StringTranslationTrait
  - class \Drupal\farm_role\ManagedRolePermissions implements ManagedRolePermissionsInterface
  - class \Drupal\fillpdf\Plugin\PdfBackendBase implements PdfBackendInterface
  - class \Drupal\filter\Plugin\FilterBase implements FilterInterface
  - class \Drupal\freelinking\Plugin\FreelinkingPluginBase implements FreelinkingPluginInterface
  - class \Drupal\group\Plugin\Group\Relation\GroupRelationBase implements GroupRelationInterface
  - class \Drupal\help\Plugin\HelpSection\HelpSectionPluginBase implements HelpSectionPluginInterface uses UnchangingCacheableDependencyTrait
  - class \Drupal\help_topics\HelpTopicPluginBase implements HelpTopicPluginInterface
  - class \Drupal\imageapi_optimize\ImageAPIOptimizeProcessorBase implements ContainerFactoryPluginInterface, ImageAPIOptimizeProcessorInterface
  - class \Drupal\image\ImageEffectBase implements ContainerFactoryPluginInterface, ImageEffectInterface
  - class \Drupal\jsonrpc\Plugin\JsonRpcMethodBase implements ContainerFactoryPluginInterface, ExecutableWithParamsInterface
  - class \Drupal\KernelTests\Core\Plugin\Context\TestConfigurableContextAwarePlugin implements ConfigurableInterface, ContextAwarePluginInterface uses ContextAwarePluginTrait
  - class \Drupal\KernelTests\Core\Plugin\Context\TestContextAwarePlugin implements ContextAwarePluginInterface uses ContextAwarePluginTrait
  - class \Drupal\KernelTests\Core\Plugin\TestContextAwarePlugin implements ContextAwarePluginInterface uses ContextAwarePluginTrait
  - class \Drupal\layout_builder\Plugin\SectionStorage\SectionStorageBase implements CacheableDependencyInterface, SectionStorageInterface, TempStoreIdentifierInterface uses ContextAwarePluginTrait, LayoutBuilderRoutesTrait
  - class \Drupal\layout_builder_test\Plugin\SectionStorage\SimpleConfigSectionStorage implements ContainerFactoryPluginInterface, SectionStorageLocalTaskProviderInterface, SectionStorageInterface uses ContextAwarePluginTrait, LayoutBuilderRoutesTrait, SectionListTrait
  - class \Drupal\maestro\Plugin\EngineTasks\MaestroAndTask implements MaestroEngineTaskInterface uses MaestroTaskTrait
  - class \Drupal\maestro\Plugin\EngineTasks\MaestroBatchFunctionTask implements MaestroEngineTaskInterface uses MaestroTaskTrait
  - class \Drupal\maestro\Plugin\EngineTasks\MaestroContentTypeTask implements MaestroEngineTaskInterface uses MaestroTaskTrait
  - class \Drupal\maestro\Plugin\EngineTasks\MaestroEndTask implements MaestroEngineTaskInterface uses MaestroTaskTrait
  - class \Drupal\maestro\Plugin\EngineTasks\MaestroIfTask implements MaestroEngineTaskInterface uses MaestroTaskTrait
  - class \Drupal\maestro\Plugin\EngineTasks\MaestroInteractiveTask implements MaestroEngineTaskInterface uses MaestroTaskTrait
  - class \Drupal\maestro\Plugin\EngineTasks\MaestroManualWebTask implements MaestroEngineTaskInterface uses MaestroTaskTrait
  - class \Drupal\maestro\Plugin\EngineTasks\MaestroOrTask implements MaestroEngineTaskInterface uses MaestroTaskTrait
  - class \Drupal\maestro\Plugin\EngineTasks\MaestroSetProcessVariableTask implements MaestroEngineTaskInterface uses MaestroTaskTrait
  - class \Drupal\maestro\Plugin\EngineTasks\MaestroSpawnSubFlowTask implements MaestroEngineTaskInterface uses MaestroTaskTrait
  - class \Drupal\maestro\Plugin\EngineTasks\MaestroStartTask implements MaestroEngineTaskInterface uses MaestroTaskTrait
  - class \Drupal\maestro_interactive_task_plugin_example\Plugin\EngineTasks\MaestroInteractiveExampleTask implements MaestroEngineTaskInterface uses MaestroTaskTrait
  - class \Drupal\maestro_noninteractive_task_plugin_example\Plugin\EngineTasks\MaestroNonInteractiveExampleTask implements MaestroEngineTaskInterface uses MaestroTaskTrait
  - class \Drupal\maestro_webform\Plugin\EngineTasks\MaestroWebformTask implements MaestroEngineTaskInterface uses MaestroTaskTrait
  - class \Drupal\markdown\Plugin\Markdown\BaseParser implements MarkdownGuidelinesInterface, MarkdownParserInterface
  - class \Drupal\markdown\Plugin\Markdown\Extension\BaseExtension implements MarkdownExtensionInterface uses MarkdownStatesTrait
  - class \Drupal\media\MediaSourceBase implements ContainerFactoryPluginInterface, MediaSourceInterface
  - class \Drupal\media\Plugin\CKEditorPlugin\DrupalMedia implements CKEditorPluginContextualInterface, CKEditorPluginCssInterface, ContainerFactoryPluginInterface
  - class \Drupal\migrate\Plugin\migrate\destination\DestinationBase implements MigrateDestinationInterface, RequirementsInterface
  - class \Drupal\migrate\Plugin\migrate\id_map\NullIdMap implements MigrateIdMapInterface
  - class \Drupal\migrate\Plugin\migrate\id_map\Sql implements ContainerFactoryPluginInterface, HighestIdInterface, MigrateIdMapInterface
  - class \Drupal\migrate\Plugin\migrate\source\SourcePluginBase implements RollbackAwareInterface, MigrateSourceInterface
  - class \Drupal\migrate\Plugin\Migration implements ContainerFactoryPluginInterface, MigrationInterface, RequirementsInterface
  - class \Drupal\migrate\ProcessPluginBase implements MigrateProcessInterface
  - class \Drupal\migrate_drupal\Plugin\migrate\field\FieldPluginBase implements MigrateFieldInterface
  - class \Drupal\openid_connect\Plugin\OpenIDConnectClientBase implements ContainerFactoryPluginInterface, OpenIDConnectClientInterface uses PluginWithFormsTrait, StringTranslationTrait
  - class \Drupal\opigno_group_manager\ContentTypeBase implements ContentTypeInterface
  - class \Drupal\opigno_module\ActivityAnswerPluginBase implements ActivityAnswerPluginInterface
  - class \Drupal\paragraphs_features\Plugin\CKEditorPlugin\SplitText implements CKEditorPluginContextualInterface, CKEditorPluginInterface
  - class \Drupal\pdf_api\Plugin\PdfGeneratorBase implements PdfGeneratorInterface
  - class \Drupal\phpmailer_smtp\Plugin\PhpmailerOauth2\PhpmailerOauth2PluginBase implements PhpmailerOauth2PluginInterface
  - class \Drupal\plugin_test\Plugin\plugin_test\mock_block\MockComplexContextBlock implements ContextAwarePluginInterface uses ContextAwarePluginTrait
  - class \Drupal\plugin_test\Plugin\plugin_test\mock_block\MockUserNameBlock implements ContextAwarePluginInterface uses ContextAwarePluginTrait
  - class \Drupal\plugin_test\Plugin\plugin_test\mock_block\TypedDataStringBlock implements ContextAwarePluginInterface uses ContextAwarePluginTrait
  - class \Drupal\printable\Plugin\PrintableFormatBase implements ContainerFactoryPluginInterface, PrintableFormatInterface
  - class \Drupal\quickedit\Plugin\InPlaceEditorBase implements InPlaceEditorInterface
  - class \Drupal\rest\Plugin\ResourceBase implements ContainerFactoryPluginInterface, ResourceInterface
  - class \Drupal\salesforce_mapping\SalesforceMappingFieldPluginBase implements SalesforceMappingFieldPluginInterface
  - class \Drupal\salesforce_push\Plugin\SalesforcePushQueueProcessor\Rest implements PushQueueProcessorInterface
  - class \Drupal\scheduler\SchedulerPluginBase implements SchedulerPluginInterface
  - class \Drupal\search\Plugin\SearchPluginBase implements RefinableCacheableDependencyInterface, ContainerFactoryPluginInterface, SearchInterface uses RefinableCacheableDependencyTrait
  - class \Drupal\search_api_attachments\TextExtractorPluginBase implements ContainerFactoryPluginInterface, TextExtractorPluginInterface
  - class \Drupal\shortcode\Plugin\ShortcodeBase implements ShortcodeInterface
  - class \Drupal\simplenews\Plugin\simplenews\RecipientHandler\RecipientHandlerBase implements RecipientHandlerInterface
  - class \Drupal\simple_sitemap\Plugin\simple_sitemap\SimpleSitemapPluginBase implements SimpleSitemapPluginInterface
  - class \Drupal\sms\Plugin\SmsGatewayPluginBase implements SmsGatewayPluginInterface
  - class \Drupal\sms\Plugin\SmsGatewayPluginBase implements SmsGatewayPluginInterface
  - class \Drupal\social_api\Plugin\NetworkBase implements NetworkInterface
  - class \Drupal\social_demo\DemoContent implements DemoContentInterface
  - class \Drupal\social_demo\DemoContent implements DemoContentInterface
  - class \Drupal\social_demo\DemoContent implements DemoContentInterface
  - class \Drupal\social_demo\DemoContent implements DemoContentInterface
  - class \Drupal\styleguide\Plugin\StyleguidePluginBase implements ContainerFactoryPluginInterface, StyleguideInterface
  - class \Drupal\tour\TipPluginBase implements TipPluginInterface
  - class \Drupal\twig_extender\Plugin\Twig\TwigPluginBase implements TwigExtensionInterface
  - class \Drupal\views\Plugin\views\join\JoinPluginBase implements JoinPluginInterface
  - class \Drupal\views\Plugin\views\PluginBase implements DependentPluginInterface, ContainerFactoryPluginInterface, TrustedCallbackInterface, ViewsPluginInterface
    class \Drupal\Tests\views\Kernel\Plugin\TestPluginBase
    
    class \Drupal\views\Plugin\views\access\AccessPluginBase
    
    class \Drupal\views\Plugin\views\argument_default\ArgumentDefaultPluginBase
    
    class \Drupal\views\Plugin\views\argument_validator\ArgumentValidatorPluginBase
    
    class \Drupal\views\Plugin\views\cache\CachePluginBase
    
    class \Drupal\views\Plugin\views\display\DisplayPluginBase implements DependentPluginInterface, DisplayPluginInterface uses PluginDependencyTrait
    
    class \Drupal\views\Plugin\views\display_extender\DisplayExtenderPluginBase
    
    class \Drupal\views\Plugin\views\exposed_form\ExposedFormPluginBase implements CacheableDependencyInterface, ExposedFormPluginInterface
    
    class \Drupal\views\Plugin\views\HandlerBase implements ViewsHandlerInterface
    class \Drupal\Tests\views\Unit\Plugin\TestHandler
    
    class \Drupal\views\Plugin\views\area\AreaPluginBase
    
    class \Drupal\views\Plugin\views\argument\ArgumentPluginBase implements CacheableDependencyInterface
    
    class \Drupal\views\Plugin\views\field\FieldPluginBase implements FieldHandlerInterface
    class \Drupal\agreement\Plugin\views\field\AgreementEntity
    
    class \Drupal\bibcite_entity\Plugin\views\field\Citation
    
    class \Drupal\bibcite_entity\Plugin\views\field\Links
    
    class \Drupal\charts\Plugin\views\field\ExposedChartType
    
    class \Drupal\charts\Plugin\views\field\ScatterField
    
    class \Drupal\cms_content_sync_views\Plugin\views\field\EntityTypeLabel
    
    class \Drupal\cms_content_sync_views\Plugin\views\field\EntityTypeLabel
    
    class \Drupal\cms_content_sync_views\Plugin\views\field\FlowLabel
    
    class \Drupal\cms_content_sync_views\Plugin\views\field\FlowLabel
    
    class \Drupal\cms_content_sync_views\Plugin\views\field\ParentEntity
    
    class \Drupal\cms_content_sync_views\Plugin\views\field\ParentEntity
    
    class \Drupal\cms_content_sync_views\Plugin\views\field\PoolLabel
    
    class \Drupal\cms_content_sync_views\Plugin\views\field\PoolLabel
    
    class \Drupal\cms_content_sync_views\Plugin\views\field\RenderedFlags
    
    class \Drupal\cms_content_sync_views\Plugin\views\field\RenderedFlags
    
    class \Drupal\cms_content_sync_views\Plugin\views\field\SyncState
    
    class \Drupal\cms_content_sync_views\Plugin\views\field\SyncState
    
    class \Drupal\comment\Plugin\views\field\EntityLink
    
    class \Drupal\comment\Plugin\views\field\StatisticsLastCommentName
    
    class \Drupal\config_views\Plugin\views\field\ConfigEntityOperations
    
    class \Drupal\contextual\Plugin\views\field\ContextualLinks uses RedirectDestinationTrait
    
    class \Drupal\dblog\Plugin\views\field\DblogMessage
    
    class \Drupal\dblog\Plugin\views\field\DblogOperations
    
    class \Drupal\entity_hierarchy\Plugin\views\field\HierarchyTreeSummary
    
    class \Drupal\field_collection_views\Plugin\views\field\FieldCollectionViewsHandlerFieldCollectionId
    
    class \Drupal\field_collection_views\Plugin\views\field\FieldCollectionViewsHandlerFieldHostEntityId
    
    class \Drupal\field_collection_views\Plugin\views\field\FieldCollectionViewsHandlerFieldHostEntityPath
    
    class \Drupal\file\Plugin\views\field\File
    
    class \Drupal\fraction\Plugin\views\field\Fraction
    
    class \Drupal\legal\Plugin\views\field\ExplodedListField
    
    class \Drupal\legal\Plugin\views\field\UnserializedListField
    
    class \Drupal\maestro\Plugin\views\field\MaestroEngineActiveAssignments
    
    class \Drupal\maestro\Plugin\views\field\MaestroEngineActiveHandler
    
    class \Drupal\maestro\Plugin\views\field\MaestroEngineAdminOperations
    
    class \Drupal\maestro\Plugin\views\field\MaestroEngineCompletedTimestamp
    
    class \Drupal\maestro\Plugin\views\field\MaestroEngineEntityIdentifierEditLink
    
    class \Drupal\maestro\Plugin\views\field\MaestroEngineEntityIdentifierEntityLabel
    
    class \Drupal\maestro\Plugin\views\field\MaestroEngineProcessCompletionTime
    
    class \Drupal\maestro\Plugin\views\field\MaestroEngineProcessDetails
    
    class \Drupal\maestro\Plugin\views\field\MaestroEngineProcessInitiator
    
    class \Drupal\maestro\Plugin\views\field\MaestroEngineStartedTimestamp
    
    class \Drupal\maestro\Plugin\views\field\MaestroEngineUserWhoCompleted
    
    class \Drupal\media_library\Plugin\views\field\MediaLibrarySelectForm
    
    class \Drupal\moderation_dashboard\Plugin\views\field\LinkToLatestVersion
    
    class \Drupal\node\Plugin\views\field\Node
    
    class \Drupal\opigno_learning_path\Plugin\views\field\GroupMembershipStatus
    
    class \Drupal\opigno_learning_path\Plugin\views\field\OpignoGroupMembership
    
    class \Drupal\opigno_learning_path\Plugin\views\field\OpignoLearningPathProgress
    
    class \Drupal\opigno_learning_path\Plugin\views\field\OpignoLearningPathTakeLink
    
    class \Drupal\opigno_module\Plugin\views\field\OpignoModuleResultActions uses DeprecatedServicePropertyTrait, RedirectDestinationTrait, EntityTranslationRenderTrait
    
    class \Drupal\opigno_module\Plugin\views\field\OpignoModuleScoreLink
    
    class \Drupal\photos\Plugin\views\field\PhotosImageCover
    
    class \Drupal\quiz\Plugin\views\field\QuizResultAnswersField
    
    class \Drupal\rng\Plugin\views\field\RegistrationDateStringField
    
    class \Drupal\scheduled_transitions\Plugin\views\field\ScheduledTransitionFromStateViewsField
    
    class \Drupal\scheduled_transitions\Plugin\views\field\ScheduledTransitionToStateViewsField
    
    class \Drupal\share_everywhere\Plugin\views\field\ShareEverywhereField
    
    class \Drupal\simplenews\Plugin\views\field\Link
    
    class \Drupal\simplenews\Plugin\views\field\SendStatus
    
    class \Drupal\simplenews\Plugin\views\field\UserName
    
    class \Drupal\sms\Plugin\views\field\SmsMessageDirection
    
    class \Drupal\sms\Plugin\views\field\SmsMessageDirection
    
    class \Drupal\social_content_report\Plugin\views\field\ReportContentType
    
    class \Drupal\social_content_report\Plugin\views\field\ReportContentType
    
    class \Drupal\social_content_report\Plugin\views\field\ReportContentType
    
    class \Drupal\social_content_report\Plugin\views\field\ReportContentType
    
    class \Drupal\social_event_invite\Plugin\views\field\SocialEventInviteRecipientField uses EntityTranslationRenderTrait
    
    class \Drupal\social_event_invite\Plugin\views\field\SocialEventInviteRecipientField uses EntityTranslationRenderTrait
    
    class \Drupal\social_event_invite\Plugin\views\field\SocialEventInviteRecipientField uses EntityTranslationRenderTrait
    
    class \Drupal\social_event_invite\Plugin\views\field\SocialEventInviteRecipientField uses EntityTranslationRenderTrait
    
    class \Drupal\social_group\Plugin\views\field\SocialGroupMembershipCount
    
    class \Drupal\social_group\Plugin\views\field\SocialGroupMembershipCount
    
    class \Drupal\social_group\Plugin\views\field\SocialGroupMembershipCount
    
    class \Drupal\social_group\Plugin\views\field\SocialGroupMembershipCount
    
    class \Drupal\Tests\views\Unit\Plugin\field\FieldPluginBaseTestField
    
    class \Drupal\user\Plugin\views\field\UserData
    
    class \Drupal\views\Plugin\views\field\Boolean
    
    class \Drupal\views\Plugin\views\field\Broken uses BrokenHandlerTrait
    
    class \Drupal\views\Plugin\views\field\BulkForm implements CacheableDependencyInterface uses RedirectDestinationTrait, EntityTranslationRenderTrait, UncacheableFieldHandlerTrait
    
    class \Drupal\views\Plugin\views\field\Counter uses UncacheableFieldHandlerTrait
    
    class \Drupal\views\Plugin\views\field\Custom
    
    class \Drupal\views\Plugin\views\field\Date
    
    class \Drupal\views\Plugin\views\field\EntityField implements CacheableDependencyInterface, DependentWithRemovalPluginInterface, MultiItemsFieldHandlerInterface uses PluginDependencyTrait, FieldAPIHandlerTrait
    
    class \Drupal\views\Plugin\views\field\EntityLabel
    
    class \Drupal\views\Plugin\views\field\EntityOperations uses RedirectDestinationTrait, EntityTranslationRenderTrait
    
    class \Drupal\views\Plugin\views\field\FileSize
    
    class \Drupal\views\Plugin\views\field\LanguageField
    
    class \Drupal\views\Plugin\views\field\LinkBase uses RedirectDestinationTrait, EntityTranslationRenderTrait
    
    class \Drupal\views\Plugin\views\field\Links
    
    class \Drupal\views\Plugin\views\field\MachineName
    
    class \Drupal\views\Plugin\views\field\Markup
    
    class \Drupal\views\Plugin\views\field\NumericField
    
    class \Drupal\views\Plugin\views\field\PrerenderList implements MultiItemsFieldHandlerInterface
    
    class \Drupal\views\Plugin\views\field\RenderedEntity implements CacheableDependencyInterface uses EntityTranslationRenderTrait
    
    class \Drupal\views\Plugin\views\field\Serialized
    
    class \Drupal\views\Plugin\views\field\Standard
    
    class \Drupal\views\Plugin\views\field\TimeInterval
    
    class \Drupal\views\Plugin\views\field\Url
    
    class \Drupal\views_add_button\Plugin\views\field\ViewsAddButtonField uses ViewsAddButtonTrait
    
    class \Drupal\views_base_url\Plugin\views\field\BaseUrl
    
    class \Drupal\views_bulk_operations\Plugin\views\field\ViewsBulkOperationsBulkForm implements CacheableDependencyInterface, ContainerFactoryPluginInterface uses RedirectDestinationTrait, UncacheableFieldHandlerTrait, ViewsBulkOperationsFormTrait
    
    class \Drupal\views_json_source\Plugin\views\field\ViewsJsonField
    
    class \Drupal\views_test_data\Plugin\views\field\FieldFormButtonTest uses UncacheableFieldHandlerTrait
    
    class \Drupal\views_test_data\Plugin\views\field\FieldTest
    
    class \Drupal\view_custom_table\Plugin\views\field\MysqlDate
    
    class \Drupal\wsdata_field\Plugin\views\field\WSDataFieldsViews
    
    class \Drupal\views\Plugin\views\filter\FilterPluginBase implements CacheableDependencyInterface
    
    class \Drupal\views\Plugin\views\relationship\RelationshipPluginBase
    
    class \Drupal\views\Plugin\views\sort\SortPluginBase implements CacheableDependencyInterface
    
    class \Drupal\views\Plugin\views\pager\PagerPluginBase
    
    class \Drupal\views\Plugin\views\query\QueryPluginBase implements CacheableDependencyInterface
    
    class \Drupal\views\Plugin\views\row\RowPluginBase
    
    class \Drupal\views\Plugin\views\style\StylePluginBase
    
    class \Drupal\views\Plugin\views\wizard\WizardPluginBase implements WizardInterface
    
    class \Drupal\views\Tests\TestHelperPlugin
  - class \Drupal\views_add_button\Plugin\views_add_button\ViewsAddButtonDefault implements ViewsAddButtonInterface
  - class \Drupal\views_add_button\Plugin\views_add_button\ViewsAddButtonNode implements ViewsAddButtonInterface
  - class \Drupal\views_add_button\Plugin\views_add_button\ViewsAddButtonTaxonomy implements ViewsAddButtonInterface
  - class \Drupal\views_add_button\Plugin\views_add_button\ViewsAddButtonUser implements ViewsAddButtonInterface
  - class \Drupal\warmer\Plugin\WarmerPluginBase implements ConfigurableInterface, DependentPluginInterface, ContainerFactoryPluginInterface, PluginFormInterface, WarmerInterface
  - class \Drupal\webform\Plugin\WebformExporterBase implements WebformExporterInterface uses WebformEntityStorageTrait
  - class \Drupal\webform\Plugin\WebformHandlerBase implements WebformHandlerInterface uses WebformEntityStorageTrait, WebformEntityInjectionTrait, WebformPluginSettingsTrait
  - class \Drupal\webform\Plugin\WebformSourceEntityBase implements ContainerFactoryPluginInterface, WebformSourceEntityInterface
  - class \Drupal\webform\Plugin\WebformVariantBase implements WebformVariantInterface uses WebformEntityInjectionTrait, WebformPluginSettingsTrait
  - class \Drupal\workbench_email\Plugin\RecipientTypeBase implements RecipientTypeInterface uses PluginWithFormsTrait
  - class \Drupal\wysiwyg_template\Plugin\CKEditorPlugin\Templates implements CKEditorPluginInterface, ContainerFactoryPluginInterface
  - class \Drupal\xbbcode\Plugin\TagPluginBase implements TagPluginInterface
- class \Drupal\Core\Queue\QueueWorkerBase implements QueueWorkerInterface
- class \Drupal\dashboards\Plugin\DashboardBase implements ContainerFactoryPluginInterface, DashboardInterface uses StringTranslationTrait
- class \Drupal\editor\Plugin\InPlaceEditor\Editor implements InPlaceEditorInterface
- class \Drupal\entity_legal\EntityLegalPluginBase implements EntityLegalPluginInterface
- class \Drupal\entity_legal\EntityLegalPluginBase implements EntityLegalPluginInterface
- class \Drupal\entity_test\Plugin\Validation\Constraint\EntityTestDefaultPlugin
- class \Drupal\field_inheritance\Plugin\FieldInheritance\FieldInheritancePluginBase implements ContainerFactoryPluginInterface, FieldInheritancePluginInterface
- class \Drupal\fillpdf\Plugin\FillPdfActionPluginBase implements FillPdfActionPluginInterface
- class \Drupal\fullcalendar_view\Plugin\FullcalendarViewProcessorBase implements FullcalendarViewProcessorInterface
- class \Drupal\fullcalendar_view\Plugin\FullcalendarViewProcessorBase implements FullcalendarViewProcessorInterface
- class \Drupal\lingotek\Plugin\RelatedEntitiesDetector\EditorDetectorBase implements ContainerFactoryPluginInterface, RelatedEntitiesDetectorInterface
- class \Drupal\lingotek\Plugin\RelatedEntitiesDetector\EditorDetectorBase implements ContainerFactoryPluginInterface, RelatedEntitiesDetectorInterface
- class \Drupal\lingotek\Plugin\RelatedEntitiesDetector\EditorDetectorBase implements ContainerFactoryPluginInterface, RelatedEntitiesDetectorInterface
- class \Drupal\lingotek\Plugin\RelatedEntitiesDetector\EditorDetectorBase implements ContainerFactoryPluginInterface, RelatedEntitiesDetectorInterface
- class \Drupal\lingotek\Plugin\RelatedEntitiesDetector\EntityReferenceDetectorBase implements ContainerFactoryPluginInterface, RelatedEntitiesDetectorInterface
- class \Drupal\lingotek\Plugin\RelatedEntitiesDetector\EntityReferenceDetectorBase implements ContainerFactoryPluginInterface, RelatedEntitiesDetectorInterface
- class \Drupal\lingotek\Plugin\RelatedEntitiesDetector\EntityReferenceDetectorBase implements ContainerFactoryPluginInterface, RelatedEntitiesDetectorInterface
- class \Drupal\lingotek\Plugin\RelatedEntitiesDetector\EntityReferenceDetectorBase implements ContainerFactoryPluginInterface, RelatedEntitiesDetectorInterface
- class \Drupal\lingotek\Plugin\RelatedEntitiesDetector\FieldLinkDetector implements ContainerFactoryPluginInterface, RelatedEntitiesDetectorInterface
- class \Drupal\lingotek\Plugin\RelatedEntitiesDetector\FieldLinkDetector implements ContainerFactoryPluginInterface, RelatedEntitiesDetectorInterface
- class \Drupal\lingotek\Plugin\RelatedEntitiesDetector\FieldLinkDetector implements ContainerFactoryPluginInterface, RelatedEntitiesDetectorInterface
- class \Drupal\lingotek\Plugin\RelatedEntitiesDetector\FieldLinkDetector implements ContainerFactoryPluginInterface, RelatedEntitiesDetectorInterface
- class \Drupal\lingotek\Plugin\RelatedEntitiesDetector\NestedEntityReferencesDetector implements ContainerFactoryPluginInterface, RelatedEntitiesDetectorInterface
- class \Drupal\lingotek\Plugin\RelatedEntitiesDetector\NestedLayoutBuilderEntitiesDetector implements ContainerFactoryPluginInterface, RelatedEntitiesDetectorInterface
- class \Drupal\lingotek\Plugin\RelatedEntitiesDetector\NestedLayoutBuilderEntitiesDetector implements ContainerFactoryPluginInterface, RelatedEntitiesDetectorInterface
- class \Drupal\lingotek\Plugin\RelatedEntitiesDetector\NestedLayoutBuilderEntitiesDetector implements ContainerFactoryPluginInterface, RelatedEntitiesDetectorInterface
- class \Drupal\lingotek\Plugin\RelatedEntitiesDetector\NestedLayoutBuilderEntitiesDetector implements ContainerFactoryPluginInterface, RelatedEntitiesDetectorInterface
- class \Drupal\opigno_learning_path\LearningPathMembersPluginBase implements LearningPathMembersPluginInterface
- class \Drupal\plugin_test\Plugin\plugin_test\mock_block\MockLayoutBlock
- class \Drupal\plugin_test\Plugin\plugin_test\mock_block\MockTestBlock
- class \Drupal\plugin_test\Plugin\plugin_test\mock_block\MockUserLoginBlock
- class \Drupal\plugin_type_example\SandwichBase implements SandwichInterface
- class \Drupal\quiz\Plugin\QuizQuestionPluginBase implements QuizQuestionInterface
- class \Drupal\rabbit_hole\Plugin\RabbitHoleBehaviorPluginBase implements RabbitHoleBehaviorPluginInterface
- class \Drupal\rabbit_hole\Plugin\RabbitHoleEntityPluginBase implements RabbitHoleEntityPluginInterface
- class \Drupal\simple_oauth\Plugin\Oauth2GrantBase implements Oauth2GrantInterface
- class \Drupal\sitemap\SitemapBase implements SitemapInterface uses StringTranslationTrait
- class \Drupal\social_content_block\ContentBlockBase implements ContentBlockPluginInterface
- class \Drupal\social_content_block\ContentBlockBase implements ContentBlockPluginInterface
- class \Drupal\social_content_block\ContentBlockBase implements ContentBlockPluginInterface
- class \Drupal\social_content_block\ContentBlockBase implements ContentBlockPluginInterface
- class \Drupal\social_event_addtocal\Plugin\SocialAddToCalendarBase implements SocialAddToCalendarInterface
- class \Drupal\social_event_addtocal\Plugin\SocialAddToCalendarBase implements SocialAddToCalendarInterface
- class \Drupal\social_event_addtocal\Plugin\SocialAddToCalendarBase implements SocialAddToCalendarInterface
- class \Drupal\social_event_addtocal\Plugin\SocialAddToCalendarBase implements SocialAddToCalendarInterface
- class \Drupal\social_lets_connect_usage\Plugin\ShareUsageDataPluginBase implements ContainerFactoryPluginInterface, ShareUsageDataPluginInterface uses StringTranslationTrait
- class \Drupal\social_lets_connect_usage\Plugin\ShareUsageDataPluginBase implements ContainerFactoryPluginInterface, ShareUsageDataPluginInterface uses StringTranslationTrait
- class \Drupal\social_lets_connect_usage\Plugin\ShareUsageDataPluginBase implements ContainerFactoryPluginInterface, ShareUsageDataPluginInterface uses StringTranslationTrait
- class \Drupal\social_lets_connect_usage\Plugin\ShareUsageDataPluginBase implements ContainerFactoryPluginInterface, ShareUsageDataPluginInterface uses StringTranslationTrait
- class \Drupal\social_user_export\Plugin\UserExportPluginBase implements ContainerFactoryPluginInterface, UserExportPluginInterface uses StringTranslationTrait
- class \Drupal\social_user_export\Plugin\UserExportPluginBase implements ContainerFactoryPluginInterface, UserExportPluginInterface uses StringTranslationTrait
- class \Drupal\social_user_export\Plugin\UserExportPluginBase implements ContainerFactoryPluginInterface, UserExportPluginInterface uses StringTranslationTrait
- class \Drupal\social_user_export\Plugin\UserExportPluginBase implements ContainerFactoryPluginInterface, UserExportPluginInterface uses StringTranslationTrait
- class \Drupal\synonyms\Plugin\Synonyms\Provider\AbstractProvider implements ContainerFactoryPluginInterface, ConfigurationInterface, FindInterface, FormatWordingInterface, GetInterface, ProviderInterface uses ConfigurationTrait
- class \Drupal\tca\Plugin\TcaPluginBase implements TcaPluginInterface
- class \Drupal\Tests\Core\Plugin\ConfigurablePlugin implements ConfigurableInterface
- class \Drupal\Tests\Core\Plugin\Fixtures\TestConfigurablePlugin implements ConfigurableInterface, DependentPluginInterface
- class \Drupal\Tests\Core\Plugin\TestClass implements PluginFormInterface, PluginWithFormsInterface uses PluginWithFormsTrait
- class \Drupal\usermerge\Plugin\UserMerge\Action\UserMergeActionBase implements UserMergeActionPluginInterface
- class \Drupal\usermerge\Plugin\UserMerge\Property\UserMergePropertyBase implements UserMergePropertyPluginInterface
- class \Drupal\webform\Plugin\WebformElementBase implements TrustedCallbackInterface, WebformElementInterface uses MessengerTrait, StringTranslationTrait, WebformCompositeFormElementTrait, WebformEntityStorageTrait, WebformEntityInjectionTrait
- class \Drupal\webform_content_creator\Plugin\FieldMappingBase implements FieldMappingInterface
- class \Drupal\workflows\Plugin\WorkflowTypeBase implements WorkflowTypeInterface uses PluginWithFormsTrait
- class \Drupal\wsdata\Plugin\WSConnectorBase implements WSConnectorInterface uses StringTranslationTrait
- class \Drupal\wsdata\Plugin\WSDecoderBase implements WSDecoderInterface
- class \Drupal\wsdata\Plugin\WSEncoderBase implements WSEncoderInterface

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Expanded class hierarchy of Counter in Drupal 9

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