public ResolverFactory(TcpResolver tcpResolver, UdpResolver udpResolver)
 {
     _tcpResolver = tcpResolver;
     _udpResolver = udpResolver;
 }
 public ResolverFactory(TcpResolver tcpResolver, UdpResolver udpResolver)
 {
     _tcpResolver = tcpResolver;
     _udpResolver = udpResolver;
 }