@Override
 public List<metadslx.core.MetaClass> MetaClass_getAllSuperClasses(metadslx.core.MetaClass _this) {
   ArrayList<MetaClass> result = new ArrayList<>();
   for (MetaClass sup : _this.getSuperClasses()) {
     Collection<MetaClass> allSupers = sup.getAllSuperClasses();
     if (!result.contains(sup)) {
       result.add(sup);
     }
     for (MetaClass supSup : allSupers) {
       if (!result.contains(supSup)) {
         result.add(supSup);
       }
     }
   }
   return result;
 }