ChannelVector
ChannelVector fDownStreamChannels;
ChannelVector fUpStreamChannels;
for (ChannelVector::Iterator it = fDownStreamChannels.Begin();
for (ChannelVector::Iterator it = fUpStreamChannels.Begin();
for (ChannelVector::Iterator it = fDownStreamChannels.Begin();
for (ChannelVector::Iterator it = fUpStreamChannels.Begin();