anchor.diff:  
       return RemoteNotification(
         title: map['title'],
  -      titleLocArgs: map['titleLocArgs'] ?? [],
  +      titleLocArgs: _toList(map['titleLocArgs']),
         titleLocKey: map['titleLocKey'],
         body: map['body'],
  -      bodyLocArgs: map['bodyLocArgs'] ?? [],
  +      bodyLocArgs: _toList(map['bodyLocArgs']),
         bodyLocKey: map['bodyLocKey'],
         android: _android,
         apple: _apple,
  
positive.code:   /// This value is a number between 0.0 & 1.0.
    final num volume;
  }
  
negative.code:       _apple = AppleNotification(
            badge: map['apple']['badge'],
            subtitle: map['apple']['subtitle'],
            subtitleLocArgs: _toList(map['apple']['subtitleLocArgs']),
            subtitleLocKey: map['apple']['subtitleLocKey'],
            imageUrl: map['apple']['imageUrl'],
            sound: map['apple']['sound'] == null
  