resolve method
Implementation
@override
Breakpoint resolve(BuildContext context) {
final themeValue = MixTheme.of(context).breakpoints[this];
assert(
themeValue != null,
'BreakpointToken $name is not defined in the theme',
);
return themeValue is BreakpointResolver
? themeValue.resolve(context)
: themeValue ?? const Breakpoint();
}