code: func (s *Stream) Close() error {
  	_, err := s.c.srvServ.TerminateStream(s.c.ctx, &services.TerminateStreamRequest{
  		Project:       coordinatorTest.AllAccessProject,
  		Id:            s.streamID,
  		Secret:        s.secret,
  		TerminalIndex: s.streamIndex - 1,
  	})
  	return err
  }
docs: // Close terminates this stream.