Gtk::FileChooserDialog

I’ve been digging and digging and can’t find a way to do this. I’m using
the Gtk::FIleCHooserDialog, but I would like a way to give it a
different sort method for the files it displays. I did this once before
with Gtk::FileSelection, using
fileSelector.file_list.model_set_sort_func()

But as this is a new app, I’d like to use the new FileChooserDialog. Is
there a way to give it my own sort function.

Thanks

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