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# photosReferenceImageViewer(pickerItem:onProcessingCompletion:)

Presents an image viewer for an image containing Apple Reference Image data selected from the Photos picker when `isPresented` is set to true.

```
@MainActor @preconcurrency func photosReferenceImageViewer(pickerItem: Binding<PhotosPickerItem?>, onProcessingCompletion: ((Result<PHAsset, any Error>) -> Void)?) -> some View
```

## Discussion

- Parameters
  - isPresented: A binding that determines when this view is presented.
  - pickerItem: The `PhotosPickerItem` returned from a SwiftUI Photos picker.
  - onProcessingCompletion: An optional closure called when processing completes.

---

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