+ for (auto e : storage_types) {
+ storage_type_t stype = e.second;
+ free(stype->model);
+ free(stype->type_id);
+ free(stype->content);
+ free(stype->content_type);
+ xbt_dict_free(&(stype->properties));
+ delete stype->model_properties;
+ free(stype);
+ }