virtual void highlight_toggle_auto_gain_staging(unsigned bus_idx, bool highlight) = 0;
virtual void highlight_toggle_compressor(unsigned bus_idx, bool highlight) = 0;
virtual void highlight_clear_peak(unsigned bus_idx, bool highlight) = 0;
virtual void highlight_toggle_auto_gain_staging(unsigned bus_idx, bool highlight) = 0;
virtual void highlight_toggle_compressor(unsigned bus_idx, bool highlight) = 0;
virtual void highlight_clear_peak(unsigned bus_idx, bool highlight) = 0;