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My company is creating it’s own auth library, so that we can share auth across all our apps. I’m writing it. The library has it’s public api exposed in a single interface `CompanyAuth`, that can be created via the function `CompanyAuth()`. Sometimes the API launches into an `Activity` to refresh the login, where I need to get a hold of the same `CompanyAuth` instance to call some methods on it.

`CompanyAuth` holds shared state, coroutines etc, and is in no way `Parcelable`. This is a peculiar situation that I haven’t ever encountered yet, and all the solutions I’ve come up with are hacky, or somehow involve removing `CompanyAuth` as an `interface`, and making it an `object`, which I’m also not happy with.

Does anyone have any suggestions?