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# FSExtentType

An enumeration of types of extents.

```
enum FSExtentType
```

## Topics

### Working with extent types

[`FSExtentType.data`](/documentation/FSKit/FSExtentType/data)

An extent type to indicate valid data.

[`FSExtentType.zeroFill`](/documentation/FSKit/FSExtentType/zeroFill)

An extent type to indicate uninitialized data.

[`FSExtentType.readOnly`](/documentation/FSKit/FSExtentType/readOnly)

An extent type to indicate read-only data.

### Working with raw values

[`init(rawValue:)`](/documentation/FSKit/FSExtentType/init(rawValue:))


---

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