56 files declare their use of RouteProviderInterface

AccessManager.php in core/lib/Drupal/Core/Access/AccessManager.php
AccessManagerTest.php in core/tests/Drupal/Tests/Core/Access/AccessManagerTest.php
BlockContentAddLocalAction.php in core/modules/block_content/src/Plugin/Menu/LocalAction/BlockContentAddLocalAction.php
CollectRoutesTest.php in core/modules/rest/tests/src/Unit/CollectRoutesTest.php
ConfigEntityMapper.php in core/modules/config_translation/src/ConfigEntityMapper.php
ConfigEntityMapperTest.php in core/modules/config_translation/tests/src/Unit/ConfigEntityMapperTest.php
ConfigFieldMapperTest.php in core/modules/config_translation/tests/src/Unit/ConfigFieldMapperTest.php
ConfigNamesMapper.php in core/modules/config_translation/src/ConfigNamesMapper.php
ConfigNamesMapperTest.php in core/modules/config_translation/tests/src/Unit/ConfigNamesMapperTest.php
CounterTest.php in core/modules/views/tests/src/Unit/Plugin/field/CounterTest.php
Feed.php in core/modules/views/src/Plugin/views/display/Feed.php
FieldUiLocalAction.php in core/modules/field_ui/src/Plugin/Derivative/FieldUiLocalAction.php
FieldUiLocalTask.php in core/modules/field_ui/src/Plugin/Derivative/FieldUiLocalTask.php
Language.php in core/modules/ckeditor5/src/Plugin/CKEditor5Plugin/Language.php
LanguagePluginTest.php in core/modules/ckeditor5/tests/src/Unit/LanguagePluginTest.php
LazyRouteCollectionTest.php in core/tests/Drupal/Tests/Core/Routing/LazyRouteCollectionTest.php
LocalActionDefault.php in core/lib/Drupal/Core/Menu/LocalActionDefault.php
LocalActionDefaultTest.php in core/tests/Drupal/Tests/Core/Menu/LocalActionDefaultTest.php
LocalActionManager.php in core/lib/Drupal/Core/Menu/LocalActionManager.php
LocalActionManagerTest.php in core/tests/Drupal/Tests/Core/Menu/LocalActionManagerTest.php
LocalActionWithDestination.php in core/lib/Drupal/Core/Menu/LocalActionWithDestination.php
LocalTaskDefaultTest.php in core/tests/Drupal/Tests/Core/Menu/LocalTaskDefaultTest.php
LocalTaskIntegrationTestBase.php in core/tests/Drupal/Tests/Core/Menu/LocalTaskIntegrationTestBase.php
LocalTaskManager.php in core/lib/Drupal/Core/Menu/LocalTaskManager.php
LocalTaskManagerTest.php in core/tests/Drupal/Tests/Core/Menu/LocalTaskManagerTest.php
MenuLinkTree.php in core/lib/Drupal/Core/Menu/MenuLinkTree.php
MenuLinkTreeTest.php in core/modules/system/tests/src/Unit/Menu/MenuLinkTreeTest.php
MockRouteProvider.php in core/modules/system/src/Tests/Routing/MockRouteProvider.php
NavigationContentLinks.php in core/modules/navigation/src/NavigationContentLinks.php
NavigationMenuLinkTree.php in core/modules/navigation/src/Menu/NavigationMenuLinkTree.php
NavigationMenuLinkTreeManipulators.php in core/modules/navigation/src/Menu/NavigationMenuLinkTreeManipulators.php
NavigationMenuLinkTreeManipulatorsTest.php in core/modules/navigation/tests/src/Unit/NavigationMenuLinkTreeManipulatorsTest.php
OptionsRequestSubscriber.php in core/lib/Drupal/Core/EventSubscriber/OptionsRequestSubscriber.php
OptionsRequestSubscriberTest.php in core/tests/Drupal/Tests/Core/EventSubscriber/OptionsRequestSubscriberTest.php
Page.php in core/modules/views/src/Plugin/views/display/Page.php
PathPluginBase.php in core/modules/views/src/Plugin/views/display/PathPluginBase.php
PathPluginBaseTest.php in core/modules/views/tests/src/Unit/Plugin/display/PathPluginBaseTest.php
QueryParameterTest.php in core/modules/views/tests/src/Unit/Plugin/argument_default/QueryParameterTest.php
RestExport.php in core/modules/rest/src/Plugin/views/display/RestExport.php
ResultTest.php in core/modules/views/tests/src/Unit/Plugin/area/ResultTest.php
RouterTest.php in core/tests/Drupal/Tests/Core/Routing/RouterTest.php
RouterUnsupportedTest.php in core/tests/Drupal/Tests/Core/Routing/RouterUnsupportedTest.php
TestLocalActionWithConfig.php in core/modules/system/tests/modules/menu_test/src/Plugin/Menu/LocalAction/TestLocalActionWithConfig.php
UrlGeneratorTest.php in core/tests/Drupal/Tests/Core/Routing/UrlGeneratorTest.php
UserAuthenticationController.php in core/modules/user/src/Controller/UserAuthenticationController.php
ViewExecutable.php in core/modules/views/src/ViewExecutable.php
ViewExecutableFactory.php in core/modules/views/src/ViewExecutableFactory.php
ViewExecutableFactoryTest.php in core/modules/views/tests/src/Unit/ViewExecutableFactoryTest.php
ViewExecutableTest.php in core/modules/views/tests/src/Unit/ViewExecutableTest.php
ViewListBuilderTest.php in core/modules/views_ui/tests/src/Unit/ViewListBuilderTest.php
ViewsLocalTask.php in core/modules/views/src/Plugin/Derivative/ViewsLocalTask.php
ViewsLocalTaskTest.php in core/modules/views/tests/src/Unit/Plugin/Derivative/ViewsLocalTaskTest.php
ViewsTest.php in core/modules/views/tests/src/Unit/ViewsTest.php
ViewsThemeHooks.php in core/modules/views/src/Hook/ViewsThemeHooks.php
WorkspaceRequestSubscriber.php in core/modules/workspaces/src/EventSubscriber/WorkspaceRequestSubscriber.php
WorkspaceRequestSubscriberTest.php in core/modules/workspaces/tests/src/Unit/WorkspaceRequestSubscriberTest.php

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