A little suggestion.

[JunkyTang]

Since this library is written in Swift, would it be more appropriate to change NSObjectProtocol to AnyObject here in the
public protocol ImageScannerControllerDelegate: NSObjectProtocol?

This way, my class public class App {} can conform to your protocol.

[BasThomas]

Thanks for bringing this up, @JunkyTang! That sounds reasonable; I'd encourage you to open a pull request for this change!

[github-actions]

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