Version 2.1 is available upstream. Please consider updating! It seems that version 2.1 is available upstream, while the latest version in the Gentoo tree is 2.0-r4. You think this warning is false? Read more about it here.
Commons VFS provides a single API for accessing various different file
systems. It presents a uniform view of the files from various different
sources, such as the files on local disk, on an HTTP server, or inside
a Zip archive.