if not self.check_redef_keyword(modelbuilder, nclassdef, n_kwredef, false, mprop) then return
else
if not self.check_redef_keyword(modelbuilder, nclassdef, n_kwredef, not self isa AMainMethPropdef, mprop) then return
if not self.check_redef_keyword(modelbuilder, nclassdef, n_kwredef, false, mprop) then return
else
if not self.check_redef_keyword(modelbuilder, nclassdef, n_kwredef, not self isa AMainMethPropdef, mprop) then return