class Arc { int? oid; String? bvid; String? pic; String? desc; int? status; int? oidType; int? aid; Arc({ this.oid, this.bvid, this.pic, this.desc, this.status, this.oidType, this.aid, }); factory Arc.fromJson(Map json) => Arc( oid: json['oid'] as int?, bvid: json['bvid'] as String?, pic: json['pic'] as String?, desc: json['desc'] as String?, status: json['status'] as int?, oidType: json['oid_type'] as int?, aid: json['aid'] as int?, ); }