90     // found in boardNames remove it from upstreamPorts and  in remove()
102     for (auto it = upstreamPorts.begin(); it != upstreamPorts.end();)  in remove()  local
105             std::find(it->second.begin(), it->second.end(), boardPath);  in remove()
106         if (pathIt != it->second.end())  in remove()
108             it->second.erase(pathIt);  in remove()
111         if (it->second.empty())  in remove()
113             it = upstreamPorts.erase(it);  in remove()
117             ++it;  in remove()
121     for (auto it = downstreamPorts.begin(); it != downstreamPorts.end();)  in remove()  local
124             std::find(it->second.begin(), it->second.end(), boardPath);  in remove()
125         if (pathIt != it->second.end())  in remove()
127             it->second.erase(pathIt);  in remove()
130         if (it->second.empty())  in remove()
132             it = downstreamPorts.erase(it);  in remove()
136             ++it;  in remove()