def exclude_domain_blocker_ap_ids(ap_ids, activity, preloaded_users \\ [])
def exclude_domain_blocker_ap_ids([], _activity, _preloaded_users), do: []
def exclude_domain_blocker_ap_ids(ap_ids, activity, preloaded_users \\ [])
def exclude_domain_blocker_ap_ids([], _activity, _preloaded_users), do: []