class UserinfoModel { String? avatar; String? username; String? password; String? email; UserinfoModel({this.avatar, this.username, this.password, this.email}); UserinfoModel.fromJson(Map json) { avatar = json['avatar']; username = json['username']; password = json['password']; email = json['email']; } Map toJson() { final Map data = {}; data['avatar'] = avatar; data['username'] = username; data['password'] = password; data['email'] = email; return data; } }