746     Hashtable *targets = (Hashtable*) specDAG.get(source);  in countAvailableTargets()  local
747     return (targets == 0) ? 0 : targets->count();  in countAvailableTargets()
753     Hashtable *targets = (Hashtable*) specDAG.get(source);  in getAvailableTarget()  local
754     if (targets == 0) {  in getAvailableTarget()
761         e = targets->nextElement(pos);  in getAvailableTarget()
776     Hashtable *targets = (Hashtable*) specDAG.get(source);  in countAvailableVariants()  local
777     if (targets == 0) {  in countAvailableVariants()
780     UVector *variants = (UVector*) targets->get(target);  in countAvailableVariants()
789     Hashtable *targets = (Hashtable*) specDAG.get(source);  in getAvailableVariant()  local
790     if (targets == 0) {  in getAvailableVariant()
794     UVector *variants = (UVector*) targets->get(target);  in getAvailableVariant()
933     Hashtable *targets = (Hashtable*) specDAG.get(source);  in registerSTV()  local
934     if (targets == 0) {  in registerSTV()
935         targets = new Hashtable(TRUE, status);  in registerSTV()
936         if (U_FAILURE(status) || targets == 0) {  in registerSTV()
939         targets->setValueDeleter(uhash_deleteUObject);  in registerSTV()
940         specDAG.put(source, targets, status);  in registerSTV()
942     UVector *variants = (UVector*) targets->get(target);  in registerSTV()
949         targets->put(target, variants, status);  in registerSTV()
979     Hashtable *targets = (Hashtable*) specDAG.get(source);  in removeSTV()  local
980     if (targets == 0) {  in removeSTV()
983     UVector *variants = (UVector*) targets->get(target);  in removeSTV()
989         targets->remove(target); // should delete variants  in removeSTV()
990         if (targets->count() == 0) {  in removeSTV()