if parent isa ATopClassdef then mprop.is_toplevel = true
self.check_redef_keyword(modelbuilder, mclassdef, n_kwredef, false, mprop)
else
if parent isa ATopClassdef then mprop.is_toplevel = true
self.check_redef_keyword(modelbuilder, mclassdef, n_kwredef, false, mprop)
else