static O unstructureInRealm(S s, fO realm) {
  O classFinder = func(S name) { getClass_noConvertName(realm, name) };
  
  // notify module that we are loading
  temp tempSetTL((ThreadLocal) callOpt(mainClass(realm), 'dynamicObjectIsLoading_threadLocal), true);
  
  ret unstructure(s, false, classFinder);
}