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# fitted(to:validateOn:)

```
func fitted<Input, Validation>(to input: Input, validateOn validation: Validation) async throws -> Self.Transformer where Input : Sequence, Validation : Sequence, Input.Element == AnnotatedFeature<Self.Transformer.Input, Self.Annotation>, Validation.Element == AnnotatedFeature<Self.Transformer.Input, Self.Annotation>
```

---

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