copyWith method
Creates a copy of this TModel but with the given fields replaced with the new values.
For example:
var myModel2 = myModel1.copyWith(age: 42);
Implementation
@override
FastThemeBlocState copyWith({ThemeMode? themeMode, Brightness? brightness}) {
return FastThemeBlocState(
brightness: brightness ?? this.brightness,
themeMode: themeMode ?? this.themeMode,
);
}