res = append(res, k)
			return true
		})
	}
	return
}

// PolicyDBUpdate - adds or removes given policies to/from the user or group's
// policy associations.
func (store *IAMStoreSys) PolicyDBUpdate(ctx context.Context, name string, isGroup bool,
	userType IAMUserType, policies []string, isAttach bool) (updatedAt time.Time,
	addedOrRemoved, effectivePolicies []string, err error,