if not self.check_redef_keyword(modelbuilder, mclassdef, nwkwredef or else n_kwredef, true, mwriteprop) then return
if atwritable != null then
check_redef_property_visibility(modelbuilder, atwritable.n_visibility, mwriteprop)
if not self.check_redef_keyword(modelbuilder, mclassdef, nwkwredef or else n_kwredef, true, mwriteprop) then return
if atwritable != null then
check_redef_property_visibility(modelbuilder, atwritable.n_visibility, mwriteprop)