7 files declare their use of Token in Drupal 8

EmailAction.php in core/lib/Drupal/Core/Action/Plugin/Action/EmailAction.php

FileUploadResource.php in core/modules/file/src/Plugin/rest/resource/FileUploadResource.php

MessageAction.php in core/lib/Drupal/Core/Action/Plugin/Action/MessageAction.php

TemporaryJsonapiFileFieldUploader.php in core/modules/jsonapi/src/Controller/TemporaryJsonapiFileFieldUploader.php

TestController.php in core/modules/system/tests/modules/token_test/src/Controller/TestController.php

TipPluginText.php in core/modules/tour/src/Plugin/tour/tip/TipPluginText.php

TokenTest.php in core/tests/Drupal/Tests/Core/Utility/TokenTest.php