This is a helper package, and it can't be used independently. Its purpose is to get/set/modify files' content when they are created/deleted/updated through the commands that are shipped with the packages, which are part of Packagified Laravel.
It should be production-ready but hasn't been tested enough. You should use it carefully since this package will manipulate your files and folders. Always use a version-control, and make sure you have File History to be able to roll back the changes.
The main package that includes this one can be found here: Packagified Laravel