void maybe_add_processor_to_list (
boost::weak_ptr<ARDOUR::Processor>, std::list<boost::shared_ptr<ARDOUR::IO> > *, bool, std::set<boost::shared_ptr<ARDOUR::IO> > &
);
void maybe_add_processor_to_list (
boost::weak_ptr<ARDOUR::Processor>, std::list<boost::shared_ptr<ARDOUR::IO> > *, bool, std::set<boost::shared_ptr<ARDOUR::IO> > &
);