usestd::net::SocketAddr;/// Properties to bind a server with Tcp authenticator.
#[cfg(feature ="server")]pubstructAuthTcpServerProperties{/// Addr to bind the Tcp socket.
pubserver_addr: SocketAddr,
}/// Properties to connect a client with Tcp authenticator.
#[cfg(feature ="client")]pubstructAuthTcpClientProperties{/// Addr to the server Tcp socket.
pubserver_addr: SocketAddr,
}