# init(version:info:retain:release:copyDescription:equal:hash:schedule:cancel:perform:) ``` init(version: CFIndex, info: UnsafeMutableRawPointer!, retain: ((UnsafeRawPointer?) -> UnsafeRawPointer?)!, release: ((UnsafeRawPointer?) -> Void)!, copyDescription: ((UnsafeRawPointer?) -> Unmanaged?)!, equal: ((UnsafeRawPointer?, UnsafeRawPointer?) -> DarwinBoolean)!, hash: ((UnsafeRawPointer?) -> CFHashCode)!, schedule: ((UnsafeMutableRawPointer?, CFRunLoop?, CFRunLoopMode?) -> Void)!, cancel: ((UnsafeMutableRawPointer?, CFRunLoop?, CFRunLoopMode?) -> Void)!, perform: ((UnsafeMutableRawPointer?) -> Void)!) ``` --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)