Static class `StorageManager` in `rpg_manager.js` has a name conflict with WebAPI's StorageManager. [StorageManager - Web API | MDN](https://developer.mozilla.org/ja/docs/Web/API/StorageManager). Interface `StorageManager` is defined in `lib.dom.ts`. This is a bit of a problem when writing in TypeScript.
Static class
StorageManagerinrpg_manager.jshas a name conflict with WebAPI's StorageManager.StorageManager - Web API | MDN.
Interface
StorageManageris defined inlib.dom.ts. This is a bit of a problem when writing in TypeScript.