import 'web_css_style.dart'; class GeneralConfig { WebCssStyle? webCssStyle; GeneralConfig({this.webCssStyle}); factory GeneralConfig.fromJson(Map json) => GeneralConfig( webCssStyle: json['web_css_style'] == null ? null : WebCssStyle.fromJson(json['web_css_style'] as Map), ); Map toJson() => { 'web_css_style': webCssStyle?.toJson(), }; }