public void RfcIson(string[] nicknames) => WriteLine(Rfc2812.Ison(nicknames));
public void RfcIson(string nickname) => WriteLine(Rfc2812.Ison(nickname));
public void RfcIson(string[] nicknames, Priority priority) => WriteLine(Rfc2812.Ison(nicknames), priority);
public void RfcIson(string nickname, Priority priority) { this.WriteLine(Rfc2812.Ison(nickname), priority); }