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# AVAssetReaderOutput.SupportedPayload

```
protocol SupportedPayload
```

## Relationships

### Conforming Types

[`AVCaptionGroup`](/documentation/AVFoundation/AVCaptionGroup)

[`AVTimedMetadataGroup`](/documentation/AVFoundation/AVTimedMetadataGroup)

[`AVMutableTimedMetadataGroup`](/documentation/AVFoundation/AVMutableTimedMetadataGroup)

---

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