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Description
The sample of wiki for Mutually Exclusive Options at https://github.com/gsscoder/commandline/wiki/Mutually-Exclusive-Options is already helpful.
But it would be great to be able to define options as members of multiple sets, e.g.
[Option(SetName = "ftp, www")] public string NewServiceUrl { get; set; }
which requires NewServiceUrl as argument as soon as other ftp or other www arguments are specified.
(Or is it already implemented but I haven't realized it/the wiki doesn't tell?)