docs: def _warning_for_deprecated_user_based_rules(rules):
      """Warning user based policy enforcement used in the rule but the rule
      doesn't support it.
      """
      for rule in rules:
          # We will skip the warning for the resources which support user based
          # policy enforcement.
          if [resource for resource in USER_BASED_RESOURCES
                  if resource in rule[0]]:
              continue
          if 'user_id' in KEY_EXPR.findall(rule[1]):
              LOG.warning(_LW("The user_id attribute isn't supported in the "
                              "rule '%s'. All the user_id based policy "
                              "enforcement will be removed in the "
                              "future."), rule[0])