code: def get_validated_types(object_types: Set[Type], set_name: str) -> Set[Type]:
      
      check_var(object_types, var_types=set, var_name=set_name)
      res = {get_validated_type(typ, set_name + '[x]') for typ in object_types}
      if AnyObject in res and len(res) > 1:
          raise ValueError('The set of types contains \'object\'/\'Any\'/\'AnyObject\', so no other type must be present '
                           'in the set')
      else:
          return res
docs: Utility to validate a set of types :
      * None is not allowed as a whole or within the set,
      * object and Any are converted into AnyObject
      * if AnyObject is in the set, it must be the only element
  
      :param object_types: the set of types to validate
      :param set_name: a name used in exceptions if any
      :return: the fixed set of types