The default locale. This defaults to being set from systemLocale, but can also be set explicitly, and will then apply to any new instances where the locale isn't specified. Note that a locale parameter to Intl.withLocale will supercede this value while that operation is active. Using Intl.withLocale may be preferable if you are using different locales in the same application.
static String? get defaultLocale => global_state.defaultLocale;
static set defaultLocale(String? newLocale) => global_state.defaultLocale = newLocale;