Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/

Files: src/foo/bar/*
License: GPL-2
Copyright: 2020, Author

Files: src/*
License: Apache-2.0
Copyright: 2020, Another

License: GPL-2
 On Debian systems, see /usr/share/common-licenses/GPL-2.

License: Apache-2.0
 On Debian systems, see /usr/share/common-licenses/Apache-2.0.
