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# FSPreallocateKOIOResult

The result of a kernel-offloaded preallocate call.

```
class FSPreallocateKOIOResult
```

## Overview

Use this type in your implementation of [`preallocateSpace(for:at:length:flags:packer:context:replyHandler:)`](/documentation/FSKit/FSVolume/KernelOffloadedIOHandler/preallocateSpace(for:at:length:flags:packer:context:replyHandler:))

## Relationships

### Conforms To

[`CustomDebugStringConvertible`](/documentation/Swift/CustomDebugStringConvertible)

[`Hashable`](/documentation/Swift/Hashable)

[`NSObjectProtocol`](/documentation/ObjectiveC/NSObjectProtocol)

[`Equatable`](/documentation/Swift/Equatable)

[`CVarArg`](/documentation/Swift/CVarArg)

[`CustomStringConvertible`](/documentation/Swift/CustomStringConvertible)

### Inherits From

[`FSPreallocateResult`](/documentation/FSKit/FSPreallocateResult)

---

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