void highlight_toggle_locut(unsigned bus_idx, bool highlight) override;
void highlight_toggle_auto_gain_staging(unsigned bus_idx, bool highlight) override;
void highlight_toggle_compressor(unsigned bus_idx, bool highlight) override;
void highlight_clear_peak(unsigned bus_idx, bool highlight) override {} // We don't mark this currently.
void highlight_toggle_locut(unsigned bus_idx, bool highlight) override;
void highlight_toggle_auto_gain_staging(unsigned bus_idx, bool highlight) override;
void highlight_toggle_compressor(unsigned bus_idx, bool highlight) override;
void highlight_clear_peak(unsigned bus_idx, bool highlight) override {} // We don't mark this currently.