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# buildBlock(_:_:_:)

Builds an extension scene by combining three scenes.

```
@MainActor @preconcurrency static func buildBlock<C0, C1, C2>(_ c0: C0, _ c1: C1, _ c2: C2) -> some AppExtensionScene where C0 : AppExtensionScene, C1 : AppExtensionScene, C2 : AppExtensionScene
```

## Return Value

The composed scene.

---

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