oper <name> {
    from {
        userhost <hostmask>;
        userhost <hostmask>;
    };
    password <password> { <auth-type>; };
    class <class-name>;
   flags <flags>;
    flags {
        <flag>;
        <flag>;
        ...
    };
    swhois <whois info>;
    snomask <snomask>;
    modes <modes>;
    maxlogins <num>;
};