endpoint_itor
endpoint_itor itor;
for (endpoint_itor i = fProducers.begin(); i != fProducers.end(); i++) {
for (endpoint_itor i = fConsumers.begin(); i != fConsumers.end(); i++) {
for (endpoint_itor i = fProducers.begin(); i != fProducers.end(); i++) {
for (endpoint_itor i = fConsumers.begin(); i != fConsumers.end(); i++) {
endpoint_itor begin, end;