ikabirov

JSDoc support will allow using Hegel with [Google Closure Compiler](https://github.com/google/closure-compiler).

As i understood it should be something like this: ```js const data: $Unknown = JSON.parse(some) function head(list: $Unknown, fallback: string = ''): string { if (typeof list == 'number') //...

Maybe you should use `@suppress {deprecated}`?