I see that since #87 this library was converted to Typescript. What's the correct way to import typescript definitions so that it can be used within VSCode?

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Explain the Problem in Detail

I've tried importing it as a reference:

/// <reference path="../node_modules/firestore_google-apps-script/typings/index.d.ts" />

But this only imports a FirestoreAPI which comes from typings/index.d.ts

It's unclear how I should use this to develop in a Typescript environment.

Thanks in advance!

Library Version: 33