in session.go [192:206]
func (s *session) Conn() net.Conn {
if tc, ok := s.Connection.(*gettyTCPConn); ok {
return tc.conn
}
if uc, ok := s.Connection.(*gettyUDPConn); ok {
return uc.conn
}
if wc, ok := s.Connection.(*gettyWSConn); ok {
return wc.conn.UnderlyingConn()
}
return nil
}