anchor.diff:      'VM'
     ];
   
  -  void _applyPreset() {
  -    switch (_profile) {
  +  void _applyPreset(_Profile profile) {
  +    switch (profile) {
         case _Profile.none:
           _recordedStreams.clear();
           break;
  
positive.code:   M.EventRepository _events;
    M.NotificationRepository _notifications;
    String _recorderName = '';
    _Profile _profile = _Profile.none;
    final Set<String> _availableStreams = new Set<String>();
    final Set<String> _recordedStreams = new Set<String>();
  
  
negative.code:         return 'VM Developer';
        case _Profile.all:
          return 'All';
      }
      throw new Exception('Unknown Profile ${profile}');
    }
  