36 virtual ::std::unique_ptr<::rtc::AsyncPacketSocket>
40 virtual ::std::shared_ptr<::rtc::AsyncPacketSocket>
44 virtual ::std::unique_ptr<::rtc::AsyncListenSocket>
48 virtual ::std::unique_ptr<::rtc::AsyncPacketSocket> CreateClientTcpSocket(
57 virtual ::std::unique_ptr<::webrtc::AsyncDnsResolverInterface> CreateAsyncDnsResolver() = 0;