8 string references to router in Drupal 9
- ConfigTranslationController::create in core/
modules/ config_translation/ src/ Controller/ ConfigTranslationController.php  - Instantiates a new instance of this class.
 - core.services.yml in core/
core.services.yml  - core/core.services.yml
 - DbDumpCommandTest::testSchemaOnly in core/
modules/ system/ tests/ src/ Kernel/ Scripts/ DbDumpCommandTest.php  - Tests schema only option.
 - DynamicLocalTasks::create in core/
modules/ content_moderation/ src/ Plugin/ Derivative/ DynamicLocalTasks.php  - Creates a new class instance.
 - LanguageNegotiationUserAdmin::create in core/
modules/ user/ src/ Plugin/ LanguageNegotiation/ LanguageNegotiationUserAdmin.php  - Creates an instance of the plugin.
 - ModuleInstallerTest::testRouteRebuild in core/
tests/ Drupal/ KernelTests/ Core/ Extension/ ModuleInstallerTest.php  - Tests that routes are rebuilt during install and uninstall of modules.
 - RouteProvider::getAllRoutes in core/
lib/ Drupal/ Core/ Routing/ RouteProvider.php  - Returns all the routes on the system.
 - RouteProvider::getRoutesPaged in core/
lib/ Drupal/ Core/ Routing/ RouteProvider.php  - Returns a chunk of routes.