The principal class for the File Provider extension.
- iOS 8.0+
- macOS 10.14+
- UIKit for Mac 13.0+Beta
To create a File Provider extension, subclass this class and override all of its methods. When implementing your
NSFile subclass, remember:
You must override all of the extension's methods (except the deprecated methods), even if your implementation is only an empty method.
Use these methods to provide access to the documents and folders managed by your file provider.
superin your method implementations.