成员的完整列表，这些成员属于 EMOptions(PrivateDeploy),包括所有继承而来的类成员

	chatPort	EMOptions(PrivateDeploy)
	chatServer	EMOptions(PrivateDeploy)
	dnsURL	EMOptions(PrivateDeploy)
	enableDnsConfig	EMOptions(PrivateDeploy)
	extension	EMOptions(PrivateDeploy)
	restServer	EMOptions(PrivateDeploy)