public async Task RfcAdmin(string target) => await WriteLine(Rfc2812.Admin(target));
public async Task RfcAdmin() => await WriteLine(Rfc2812.Admin());
public async Task RfcAdmin(string target, Priority priority) => await WriteLine(Rfc2812.Admin(target), priority);
public async Task RfcAdmin(Priority priority) => await WriteLine(Rfc2812.Admin(), priority);