How to support extend types in syntax declare module 'xx'

[suhaotian]

I wrote a lib: xior, work perfectly in others project, and work fine with deno, the only issue is the types:

Code: https://github.com/suhaotian/xior/blob/deno-example/deno-example/index.ts

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Because the plugin I use declare module 'xior' {...} syntax to extend the types:

Code link: https://github.com/suhaotian/xior/blob/deno-example/src/plugins/progress.ts#L26

What can I do with this? Thanks 🙏