成员的完整列表，这些成员属于 nertc.RtcServerAddresses,包括所有继承而来的类成员

channelServer	nertc.RtcServerAddresses
cloudProxyServer	nertc.RtcServerAddresses
compatServer	nertc.RtcServerAddresses
mediaProxyServer	nertc.RtcServerAddresses
nosLbsServer	nertc.RtcServerAddresses
nosTokenServer	nertc.RtcServerAddresses
nosUploadSever	nertc.RtcServerAddresses
quicProxyServer	nertc.RtcServerAddresses
roomServer	nertc.RtcServerAddresses
statisticsBackupServer	nertc.RtcServerAddresses
statisticsDispatchServer	nertc.RtcServerAddresses
statisticsServer	nertc.RtcServerAddresses
useIpv6	nertc.RtcServerAddresses
websocketProxyServer	nertc.RtcServerAddresses