-
-extern XBT_PRIVATE xbt_dict_t created_categories;
-extern XBT_PRIVATE xbt_dict_t declared_marks;
-extern XBT_PRIVATE xbt_dict_t user_host_variables;
-extern XBT_PRIVATE xbt_dict_t user_vm_variables;
-extern XBT_PRIVATE xbt_dict_t user_link_variables;
+extern XBT_PRIVATE std::set<std::string> created_categories;
+extern XBT_PRIVATE std::set<std::string> declared_marks;
+extern XBT_PRIVATE std::set<std::string> user_host_variables;
+extern XBT_PRIVATE std::set<std::string> user_vm_variables;
+extern XBT_PRIVATE std::set<std::string> user_link_variables;