@zstark/checked-tree-model (npm): [![publish](https://github.com/PinghuaZhuang/checked-tree-model/actions/workflows/publish.yml/badge.svg)](https://github.com/PinghuaZhuang/checked-tree-model/actions/workflows/publish.yml) [![test](https://github.com/PinghuaZhuang/checked-tree-model/actio
Keywords: library|model|typescript