Key for determining whether the resource is a regular file, as opposed to a directory or a symbolic link. Returned as a Boolean
NSNumber object (read-only).
- iOS 4.0+
- macOS 10.6+
- Mac Catalyst 13.0+Beta
- tvOS 9.0+
- watchOS 2.0+
static let isPackageKey: URLResourceKey
Key for determining whether the resource is a file package, returned as a Boolean
NSNumber object (read-write in macOS 10.8 and later, read-only in previous versions). A
true value means that the resource is a file package.
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