class FcmTokens { FcmTokens({ this.token, this.deviceType, }); FcmTokens.empty(); FcmTokens.fromJson(dynamic json) { token = json['token']; deviceType = json['deviceType']; } String? token; String? deviceType; Map toJson() { final map = {}; map['token'] = token; map['deviceType'] = deviceType; return map; } }