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# class_setSuperclass(_:_:)

Sets the superclass of a given class.

```
func class_setSuperclass(_ cls: AnyClass, _ newSuper: AnyClass) -> AnyClass
```

## Parameters

`cls`

The class whose superclass you want to set.

`newSuper`

The new superclass for `cls`.

## Return Value

The old superclass for `cls`.

## Discussion

You should not use this function.

---

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