Can I change the language of a package without a language file?

https://filamentphp.com/plugins/firefly-blog I am using this package but I can't find the language files, how can I translate it into my language?

Filament

FBlog by Firefly IT Solutions - Filament

The Filament Blog Plugin is a feature-rich plugin designed to enhance your blogging experience on your website. It comes with a variety of powerful features to help you manage and customize your blog posts effectively.