source code
Option("name"), Group(Option("--admin", action= ...
...
Option("name"), Group(Option("--admin", action= "store_true"), Option( "--no-admin", action= "store_true"), exclusive= True), Group(Option("- -proven", action= "store_true"), Option("--no-proven", action= "store_ true"), exclusive= True), Group(Option("--proxy", action= "store_true" ), Option("--no-proxy", action= "store_true"), exclusive= True)