anchor.diff:      }
     }
   
  -  Future<Null> _startEmulator(String id) async {
  +  Future<Null> _launchEmulator(String id) async {
       final List<Emulator> emulators =
           await emulatorManager.getEmulatorsMatching(id).toList();
   
  
positive.code: 
  class EmulatorsCommand extends FlutterCommand {
    EmulatorsCommand() {
      argParser.addOption('start',
          help: 'The full or partial ID of the emulator to start.');
    }
  
    @override
    final String name = 'emulators';
  
    @override
    final String description = 'List and start available emulators.';
  
    @override
    Future<Null> runCommand() async {
  
negative.code:           exitCode: 1);
      }
  
      if (argResults.wasParsed('launch')) {
        await _launchEmulator(argResults['launch']);
      } else {
        final String searchText =
            argResults.rest != null && argResults.rest.isNotEmpty
  