9 files declare their use of Font in @font-your-face 8.3

FontDisplayForm.php in src/Form/FontDisplayForm.php

FontDisplayListBuilder.php in src/FontDisplayListBuilder.php

fontscom_api.module in modules/fontscom_api/fontscom_api.module

Fonts.com API module file.

FontSettingsForm.php in src/Form/FontSettingsForm.php

fontsquirrel_api.module in modules/fontsquirrel_api/fontsquirrel_api.module

Font Squirrel API module file.

fontyourface.install in ./fontyourface.install

Font-Your-Face install/update/uninstall hook implementation.

fontyourface.module in ./fontyourface.module

Contains fontyourface.module..

FontYourFaceController.php in src/Controller/FontYourFaceController.php

LocalFontConfigEntityListBuilder.php in modules/local_fonts/src/LocalFontConfigEntityListBuilder.php