Oftentimes it is useful to offer multiple long arguments for an option. A common case is a lengthy long argument for which you want to have a shorter version but the 1-char is not possible (e.g. because it's already assigned to other option).

For example, I have an option DisableResourceWrites with a long arg --disableResourceWrites, for which I would like it to shorten to --drw (-d, -r and -w are already taken).

I would like to use it like:

[Option(new [] { "disableResourceWrite", "drw" }, Required = false, HelpText = "Download resources even if they are already downloaded.")]

The help would show up like:

--disableResourceWrite, --drw    Download resources even if they are already downloaded.

The unparsing would just choose the first long arg when short names are not preferred.