class SpaceCheesePage { bool? next; int? num; int? size; int? total; SpaceCheesePage({this.next, this.num, this.size, this.total}); factory SpaceCheesePage.fromJson(Map json) => SpaceCheesePage( next: json['next'] as bool?, num: json['num'] as int?, size: json['size'] as int?, total: json['total'] as int?, ); }