setTertiaryDark method
Implementation
void setTertiaryDark(Color? value, [bool notify = true]) {
if (value == null) return;
if (value == _tertiaryDark) return;
_tertiaryDark = value;
if (notify) notifyListeners();
unawaited(_themeService.save(Store.keyTertiaryDark, value));
}