void set_state (ARDOUR::BundleChannel c[2], bool s);
PortMatrixNode::State get_state (ARDOUR::BundleChannel c[2]) const;
bool can_add_channel (boost::shared_ptr<ARDOUR::Bundle>) const;
void set_state (ARDOUR::BundleChannel c[2], bool s);
PortMatrixNode::State get_state (ARDOUR::BundleChannel c[2]) const;
bool can_add_channel (boost::shared_ptr<ARDOUR::Bundle>) const;