Built Value 自动生成模型

视频教程

https://www.youtube.com/watch?v=Jji05a2GV_s
https://www.youtube.com/watch?v=hNbOSSgpneI

相关文章
https://medium.com/flutter-community/creating-custom-built-value-serializers-with-builtvalueserializer-46a52c75d4c5

flutter packages pub run build_runner clean
flutter packages pub run build_runner build --delete-conflicting-outputs