anchor.diff:      int debugPort: observatoryDefaultPort,
       Map<String, dynamic> platformArgs
     }) async {
  -    // TODO(chinmaygarde): Use checked, mainPath, route.
  -    // TODO(devoncarew): Handle startPaused, debugPort.
  +    // TODO(chinmaygarde): Use mainPath, route.
       printTrace('Building ${app.name} for $id');
   
       if (clearLogs)
  
positive.code:     // Step 3: Install the updated bundle to the simulator
      SimControl.install(id, path.absolute(bundle.path));
  
      // Step 4: Launch the updated application in the simulator
      SimControl.launch(id, app.id);
  
      printTrace('Successfully started ${app.name} on $id');
  
  
negative.code: const String _ideviceinstallerInstructions =
      'To work with iOS devices, please install ideviceinstaller.\n'
      'If you use homebrew, you can install it with "\$ brew install ideviceinstaller".';
  const String _flutterToolsFlagPrefix = "flutter_tools_";
  
  class IOSDeviceDiscovery extends DeviceDiscovery {
    List<Device> _devices = <Device>[];
  