+ RowItemOwner* find_prevalent_trace_group(
+ const std::shared_ptr<sigrok::ChannelGroup> &group,
+ const std::unordered_map<std::shared_ptr<sigrok::Channel>,
+ std::shared_ptr<Signal> > &signal_map);
+
+ static std::vector< std::shared_ptr<Trace> >
+ extract_new_traces_for_channels(