Deprecation: #62864 - DataHandler->include_filefunctions deprecated
See forge#62864
Description
The public property ->include_ has been marked as deprecated.
It has not been formally defined and was only created dynamically in the code.
Impact
In the history of the core this property has never been used (read). Extensions might have used it.
Affected installations
All installations running extensions that rely on reading this property. Currently no affected extensions are known.
Migration
If your extension needs to know whether the BasicFileUtility has been instantiated in DataHandler it
could use $datahandler->file