flutter-picgo/lib/model/smms_config.dart

class SMMSConfig {
  String token;

  SMMSConfig({this.token});

  SMMSConfig.fromJson(Map<String, dynamic> json) {
    token = json['token'];
  }

  Map<String, dynamic> toJson() {
    final Map<String, dynamic> data = new Map<String, dynamic>();
    data['token'] = this.token;
    return data;
  }
}