anchor.diff:  
     /// Device model; can be null. `XT1045`, `Nexus_7`
     String get modelID => _info['model'];
  +
  +  set modelID(String value) {
  +    _info['model'] = value;
  +  }
   
     /// Device code name; can be null. `peregrine`, `grouper`
     String get deviceCodeName => _info['device'];
  
positive.code:     );
  
      return controller.stream;
    }
  
    Future<String> _sendAdbServerCommand(String command) async {
  
negative.code:   static const int adbServerPort = 5037;
  
    final String adbPath;
  
    Map<String, String> _idToNameCache = <String, String>{};
  
    bool exists() {
      try {
  