상속: ServerInfoFetcher
 public static Task <IObservable <ArmaServerInfo> > GetServersInclDetails2(this ServerBrowser This,
                                                                           CancellationToken ct,
                                                                           ServerFilterBuilder filter, bool inclRules)
 => This.GetServersInclDetails(ct, filter.GetServerFilterWrap(), inclRules);
 public static Task <IObservable <ArmaServerInfo> > GetServers2(this ServerBrowser This, CancellationToken ct,
                                                                ServerFilterBuilder filter) => This.GetServers(ct, filter.GetServerFilterWrap());