anchor.diff:  //   stopAll: stop any running app
   //   devices: list devices
   
  -Future main() async {
  +Future<Null> main() async {
     daemon = await Process.start('flutter', ['daemon']);
     print('daemon process started, pid: ${daemon.pid}');
   
  
positive.code:     .transform(UTF8.decoder)
      .transform(const LineSplitter())
      .listen((String line) => print('<== $line'));
    daemon.stderr.listen((data) => stderr.add(data));
  
    stdout.write('> ');
    stdin.transform(UTF8.decoder).transform(const LineSplitter()).listen((String line) {
  
negative.code: 
  int id = 0;
  
  void _send(Map<String, dynamic> map) {
    map['id'] = id++;
    String str = '[${JSON.encode(map)}]';
    daemon.stdin.writeln(str);
  