class MindFolder { String? id; String? name; String? parentId; int? orderNumber; String? description; String? creator; String? creatorUnit; String? createTime; String? updateTime; String? sequence; List? children; int? level; MindFolder.fromJson(Map json) { id = json['id']; name = json['name']; parentId = json['parentId']; orderNumber = json['orderNumber']; description = json['description']; creator = json['creator']; creatorUnit = json['creatorUnit']; createTime = json['createTime']; updateTime = json['updateTime']; sequence = json['sequence']; var list = json['children'] == null ? [] : json['children'] as List; children = list.map((mind) => MindFolder.fromJson(mind)).toList(); } }