90 files declare their use of ControllerBase

AdminController.php in core/modules/system/src/Controller/AdminController.php
AggregatorController.php in core/modules/aggregator/src/Controller/AggregatorController.php
AggregatorTestRssController.php in core/modules/aggregator/tests/modules/aggregator_test/src/Controller/AggregatorTestRssController.php
BlockAddController.php in core/modules/block/src/Controller/BlockAddController.php
BlockContentController.php in core/modules/block_content/src/Controller/BlockContentController.php
BlockController.php in core/modules/block/src/Controller/BlockController.php
BlockLibraryController.php in core/modules/block/src/Controller/BlockLibraryController.php
BookController.php in core/modules/book/src/Controller/BookController.php
CKEditor5ImageController.php in core/modules/ckeditor5/src/Controller/CKEditor5ImageController.php
CKEditor5MediaController.php in core/modules/ckeditor5/src/Controller/CKEditor5MediaController.php
CommentController.php in core/modules/comment/src/Controller/CommentController.php
CommentTestController.php in core/modules/comment/tests/modules/comment_test/src/Controller/CommentTestController.php
ConfigTestController.php in core/modules/config/tests/config_test/src/ConfigTestController.php
ConfigTranslationController.php in core/modules/config_translation/src/Controller/ConfigTranslationController.php
ConfigTranslationListController.php in core/modules/config_translation/src/Controller/ConfigTranslationListController.php
ConfigTranslationMapperList.php in core/modules/config_translation/src/Controller/ConfigTranslationMapperList.php
ContactController.php in core/modules/contact/src/Controller/ContactController.php
ContentTranslationController.php in core/modules/content_translation/src/Controller/ContentTranslationController.php
CronController.php in core/modules/system/src/CronController.php
DatabaseTestController.php in core/modules/system/tests/modules/database_test/src/Controller/DatabaseTestController.php
DbLogController.php in core/modules/dblog/src/Controller/DbLogController.php
DbUpdateController.php in core/modules/system/src/Controller/DbUpdateController.php
EarlyRenderingTestController.php in core/modules/system/tests/modules/early_rendering_controller_test/src/EarlyRenderingTestController.php
EditorController.php in core/modules/editor/src/EditorController.php
EntityAutocompleteController.php in core/modules/system/src/Controller/EntityAutocompleteController.php
EntityDisplayModeController.php in core/modules/field_ui/src/Controller/EntityDisplayModeController.php
EntityListController.php in core/lib/Drupal/Core/Entity/Controller/EntityListController.php
EntityTestController.php in core/modules/system/tests/modules/entity_test/src/Controller/EntityTestController.php
EntryPoint.php in core/modules/jsonapi/src/Controller/EntryPoint.php
ErrorTestController.php in core/modules/system/tests/modules/error_test/src/Controller/ErrorTestController.php
ExecuteMigration.php in core/modules/migrate/tests/modules/migrate_no_migrate_drupal_test/src/Controller/ExecuteMigration.php
FileDownloadController.php in core/modules/system/src/FileDownloadController.php
FormTestController.php in core/modules/system/tests/modules/form_test/src/Controller/FormTestController.php
ForumController.php in core/modules/forum/src/Controller/ForumController.php
HelpController.php in core/modules/help/src/Controller/HelpController.php
HelpTopicPluginController.php in core/modules/help_topics/src/Controller/HelpTopicPluginController.php
HelpTopicsTestController.php in core/modules/help_topics/tests/modules/help_topics_test/src/Controller/HelpTopicsTestController.php
HistoryController.php in core/modules/history/src/Controller/HistoryController.php
Http4xxController.php in core/modules/system/src/Controller/Http4xxController.php
ImageLazyLoadController.php in core/modules/system/tests/modules/image_lazy_load_test/src/Controller/ImageLazyLoadController.php
JqueryUiTestAssetsController.php in core/modules/system/tests/modules/jqueryui_library_assets_test/src/Controller/JqueryUiTestAssetsController.php
JsCookieTestController.php in core/modules/system/tests/modules/js_cookie_test/src/Controller/JsCookieTestController.php
JsOnceTestController.php in core/modules/system/tests/modules/js_once_test/src/Controller/JsOnceTestController.php
LocaleController.php in core/modules/locale/src/Controller/LocaleController.php
LonelyMonkeyController.php in core/modules/system/tests/modules/error_service_test/src/Controller/LonelyMonkeyController.php
ManyAssetsTestController.php in core/modules/system/tests/modules/many_assets_test/src/Controller/ManyAssetsTestController.php
MenuController.php in core/modules/menu_ui/src/Controller/MenuController.php
MenuController.php in core/modules/menu_link_content/src/Controller/MenuController.php
MenuTestController.php in core/modules/system/tests/modules/menu_test/src/Controller/MenuTestController.php
MigrateController.php in core/modules/migrate_drupal_ui/src/Controller/MigrateController.php
ModeratedContentController.php in core/modules/content_moderation/src/Controller/ModeratedContentController.php
NodeAccessTestAutoBubblingController.php in core/modules/node/tests/node_access_test_auto_bubbling/src/Controller/NodeAccessTestAutoBubblingController.php
NodeController.php in core/modules/node/src/Controller/NodeController.php
PagerTestController.php in core/modules/system/tests/modules/pager_test/src/Controller/PagerTestController.php
PositionShimTestController.php in core/modules/system/tests/modules/position_shim_test/src/Controller/PositionShimTestController.php
PositionShimTestPortedJqueryTestsController.php in core/modules/system/tests/modules/position_shim_test/src/Controller/PositionShimTestPortedJqueryTestsController.php
QuickEditController.php in core/modules/quickedit/src/QuickEditController.php
QuickEditImageController.php in core/modules/quickedit/src/Controller/QuickEditImageController.php
QuickEditImageController.php in core/modules/image/src/Controller/QuickEditImageController.php
RenderArrayNonHtmlSubscriberTestController.php in core/modules/system/tests/modules/render_array_non_html_subscriber_test/src/RenderArrayNonHtmlSubscriberTestController.php
SchemaListenerController.php in core/modules/config/tests/config_test/src/SchemaListenerController.php
SearchController.php in core/modules/search/src/Controller/SearchController.php
SessionTestController.php in core/modules/system/tests/modules/session_test/src/Controller/SessionTestController.php
ShortcutController.php in core/modules/shortcut/src/Controller/ShortcutController.php
ShortcutSetController.php in core/modules/shortcut/src/Controller/ShortcutSetController.php
SystemController.php in core/modules/system/src/Controller/SystemController.php
SystemTestController.php in core/modules/system/tests/modules/system_test/src/Controller/SystemTestController.php
TabbableShimDialogIntegrationTestController.php in core/modules/system/tests/modules/tabbable_shim_test/src/Controller/TabbableShimDialogIntegrationTestController.php
TabbableShimTestController.php in core/modules/system/tests/modules/tabbable_shim_test/src/Controller/TabbableShimTestController.php
TabbingManagerTestController.php in core/modules/system/tests/modules/tabbingmanager_test/src/Controller/TabbingManagerTestController.php
TaxonomyController.php in core/modules/taxonomy/src/Controller/TaxonomyController.php
TestContent.php in core/modules/system/tests/modules/router_test_directory/src/TestContent.php
TestController.php in core/modules/views/tests/modules/views_test_modal/src/Controller/TestController.php
TestController.php in core/modules/system/tests/modules/csrf_race_test/src/Controller/TestController.php
TestController.php in core/modules/system/tests/modules/token_test/src/Controller/TestController.php
TestController.php in core/modules/system/tests/modules/container_rebuild_test/src/TestController.php
TestMultipleFormController.php in core/modules/block/tests/modules/block_test/src/Controller/TestMultipleFormController.php
ThemeController.php in core/modules/system/src/Controller/ThemeController.php
ThemeTestController.php in core/modules/system/tests/modules/theme_legacy_test/src/ThemeTestController.php
ThemeTestController.php in core/modules/system/tests/modules/theme_test/src/ThemeTestController.php
ToolbarController.php in core/modules/toolbar/src/Controller/ToolbarController.php
TrackerController.php in core/modules/tracker/src/Controller/TrackerController.php
UpdateController.php in core/modules/update/src/Controller/UpdateController.php
UpdateScriptTestController.php in core/modules/system/tests/modules/update_script_test/src/Controller/UpdateScriptTestController.php
UpdateTestController.php in core/modules/update/tests/modules/update_test/src/Controller/UpdateTestController.php
UserAuthenticationController.php in core/modules/user/src/Controller/UserAuthenticationController.php
UserController.php in core/modules/user/src/Controller/UserController.php
ViewsTestFormMultipleController.php in core/modules/views/tests/modules/views_test_data/src/Controller/ViewsTestFormMultipleController.php
ViewsTestRenderCacheController.php in core/modules/views/tests/modules/views_test_render_cache/src/Controller/ViewsTestRenderCacheController.php
ViewsUIController.php in core/modules/views_ui/src/Controller/ViewsUIController.php

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