ServiceIdActivation ids_A_not_B = serviceIds(lsids("sidA"), lsids("sidB"));
ServiceIdActivation ids_B_not_A = serviceIds(lsids("sidB"), lsids("sidA"));
ServiceIdActivation ids_A_and_B = serviceIds(lsids("sidA", "sidB"), lsids());
StopEntryImpl stopA = stop("stopA", 0.0, 0.0);
StopEntryImpl stopB = stop("stopB", 0.0, 0.0);
BlockEntryImpl blockA = block("blockA");
TripEntryImpl tripA = trip("tripA", "sidA");
TripEntryImpl tripB = trip("tripB", "sidB");