72 files declare their use of RendererInterface

AjaxRenderer.php in core/lib/Drupal/Core/Render/MainContent/AjaxRenderer.php
AjaxRendererTest.php in core/tests/Drupal/Tests/Core/Controller/AjaxRendererTest.php
AjaxResponseAttachmentsProcessor.php in core/lib/Drupal/Core/Ajax/AjaxResponseAttachmentsProcessor.php
BigPipe.php in core/modules/big_pipe/src/Render/BigPipe.php
BigPipeResponseAttachmentsProcessor.php in core/modules/big_pipe/src/Render/BigPipeResponseAttachmentsProcessor.php
BigPipeResponseAttachmentsProcessorTest.php in core/modules/big_pipe/tests/src/Unit/Render/BigPipeResponseAttachmentsProcessorTest.php
BookController.php in core/modules/book/src/Controller/BookController.php
BookManager.php in core/modules/book/src/BookManager.php
BreakLockLink.php in core/lib/Drupal/Core/TempStore/Element/BreakLockLink.php
CKEditor.php in core/modules/ckeditor/src/Plugin/Editor/CKEditor.php
CommentForm.php in core/modules/comment/src/CommentForm.php
CommentLazyBuilders.php in core/modules/comment/src/CommentLazyBuilders.php
ConfigSingleImportForm.php in core/modules/config/src/Form/ConfigSingleImportForm.php
ConfigSync.php in core/modules/config/src/Form/ConfigSync.php
ConfigTranslationController.php in core/modules/config_translation/src/Controller/ConfigTranslationController.php
ContactController.php in core/modules/contact/src/Controller/ContactController.php
ContextualController.php in core/modules/contextual/src/ContextualController.php
DialogRenderer.php in core/lib/Drupal/Core/Render/MainContent/DialogRenderer.php
EarlyRenderingControllerWrapperSubscriber.php in core/lib/Drupal/Core/EventSubscriber/EarlyRenderingControllerWrapperSubscriber.php
EarlyRenderingTestController.php in core/modules/system/tests/modules/early_rendering_controller_test/src/EarlyRenderingTestController.php
EntityController.php in core/lib/Drupal/Core/Entity/Controller/EntityController.php
EntityField.php in core/modules/views/src/Plugin/views/field/EntityField.php
EntityFormDisplayAccessControlHandlerTest.php in core/tests/Drupal/Tests/Core/Entity/Access/EntityFormDisplayAccessControlHandlerTest.php
EntityResource.php in core/modules/jsonapi/src/Controller/EntityResource.php
EntityViewController.php in core/lib/Drupal/Core/Entity/Controller/EntityViewController.php
Feed.php in core/modules/views/src/Plugin/views/display/Feed.php
Field.php in core/modules/views/src/Plugin/views/field/Field.php
FileUploadForm.php in core/modules/media_library/src/Form/FileUploadForm.php
FormErrorHandler.php in core/modules/inline_form_errors/src/FormErrorHandler.php
FormErrorHandlerTest.php in core/modules/inline_form_errors/tests/src/Unit/FormErrorHandlerTest.php
ForumController.php in core/modules/forum/src/Controller/ForumController.php
HelpTopicPluginController.php in core/modules/help_topics/src/Controller/HelpTopicPluginController.php
HelpTopicSection.php in core/modules/help_topics/src/Plugin/HelpSection/HelpTopicSection.php
HtmlRenderer.php in core/lib/Drupal/Core/Render/MainContent/HtmlRenderer.php
JsonRenderer.php in core/modules/system/tests/modules/common_test/src/Render/MainContent/JsonRenderer.php
LinkGenerator.php in core/lib/Drupal/Core/Utility/LinkGenerator.php
MailManager.php in core/lib/Drupal/Core/Mail/MailManager.php
MailManagerTest.php in core/tests/Drupal/Tests/Core/Mail/MailManagerTest.php
Contains \Drupal\Tests\Core\Mail\MailManagerTest.
ManyPlaceholderTest.php in core/modules/big_pipe/tests/src/Unit/Render/ManyPlaceholderTest.php
MediaEmbed.php in core/modules/media/src/Plugin/Filter/MediaEmbed.php
MediaFilterController.php in core/modules/media/src/Controller/MediaFilterController.php
MediaThumbnailFormatter.php in core/modules/media/src/Plugin/Field/FieldFormatter/MediaThumbnailFormatter.php
MessageAction.php in core/lib/Drupal/Core/Action/Plugin/Action/MessageAction.php
NodeController.php in core/modules/node/src/Controller/NodeController.php
NodePreviewController.php in core/modules/node/src/Controller/NodePreviewController.php
NodeSearch.php in core/modules/node/src/Plugin/Search/NodeSearch.php
NodeViewController.php in core/modules/node/src/Controller/NodeViewController.php
OEmbedIframeController.php in core/modules/media/src/Controller/OEmbedIframeController.php
OffCanvasRenderer.php in core/lib/Drupal/Core/Render/MainContent/OffCanvasRenderer.php
OverviewTerms.php in core/modules/taxonomy/src/Form/OverviewTerms.php
QuickEditController.php in core/modules/quickedit/src/QuickEditController.php
QuickEditImageController.php in core/modules/image/src/Controller/QuickEditImageController.php
ResourceResponseSubscriber.php in core/modules/rest/src/EventSubscriber/ResourceResponseSubscriber.php
ResourceResponseSubscriberTest.php in core/modules/rest/tests/src/Unit/EventSubscriber/ResourceResponseSubscriberTest.php
RestExport.php in core/modules/rest/src/Plugin/views/display/RestExport.php
SearchBlockForm.php in core/modules/search/src/Form/SearchBlockForm.php
SearchController.php in core/modules/search/src/Controller/SearchController.php
ShortcutLazyBuilders.php in core/modules/shortcut/src/ShortcutLazyBuilders.php
SimpletestTestForm.php in core/modules/simpletest/src/Form/SimpletestTestForm.php
SiteSettingsForm.php in core/lib/Drupal/Core/Installer/Form/SiteSettingsForm.php
StatisticsPopularBlock.php in core/modules/statistics/src/Plugin/Block/StatisticsPopularBlock.php
SystemTestController.php in core/modules/system/tests/modules/system_test/src/Controller/SystemTestController.php
ThemeTestSubscriber.php in core/modules/system/tests/modules/theme_test/src/EventSubscriber/ThemeTestSubscriber.php
Token.php in core/lib/Drupal/Core/Utility/Token.php
TwigExtension.php in core/lib/Drupal/Core/Template/TwigExtension.php
UnpublishByKeywordComment.php in core/modules/comment/src/Plugin/Action/UnpublishByKeywordComment.php
UserLoginForm.php in core/modules/user/src/Form/UserLoginForm.php
ViewAjaxController.php in core/modules/views/src/Controller/ViewAjaxController.php
ViewsSelection.php in core/modules/views/src/Plugin/EntityReferenceSelection/ViewsSelection.php
VocabularyListBuilder.php in core/modules/taxonomy/src/VocabularyListBuilder.php
WideModalRenderer.php in core/modules/system/tests/modules/dialog_renderer_test/src/Render/MainContent/WideModalRenderer.php
WorkspaceListBuilder.php in core/modules/workspaces/src/WorkspaceListBuilder.php

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