This property may be nil if the user modifies the contents of the file system node after you call read(from:options:) or init(url:options:), but before FileWrapper has read the contents of the file. You can use the immediate reading option to reduce the likelihood of this problem.
Initializes the receiver as a regular-file file wrapper from given serialized data.
This documentation contains preliminary information about an API or technology in development. This information is subject to change, and software implemented according to this documentation should be tested with final operating system software.