pub fn route_is_secured(
by: &ByClause,
actors: &HashMap<String, ActorDecl>,
) -> boolExpand description
#2155: whether a by clause’s route has a credential seam the system
driver can leave out (by Nobody): a Bearer actor (or a refinement of
one), a Signature actor, or an actor sum with such a member and no open
member (sum_has_open_member).