Deprecatedscanner: Scannera GLib.Scanner (must be initialized for parsing an RC file)
Deprecatedpriority: Gtk.PathPriorityTypeA pointer to Gtk.PathPriorityType variable in which to store the result.
GLib.TokenType.NONE if parsing succeeded, otherwise the token that was expected but not found.
since 3.0: Use Gtk.CssProvider instead
Parses a Gtk.PathPriorityType variable from the format expected in a RC file.