anchor.diff:            S.current = const $en();
             return SynchronousFuture<S>(S.current);
           default:
  -        // NO-OP.
  +          // NO-OP.
         }
       }
       S.current = const S();
  
positive.code:         }
  
          // If no country requirement is requested, check if this locale has no country.
          if (true != withCountry &&
              (supportedLocale.countryCode == null ||
                  supportedLocale.countryCode.isEmpty)) {
            return true;
          }
        }
  
negative.code: }
  
  String getLang(Locale l) => l == null
    ? null
    : l.countryCode != null && l.countryCode.isEmpty
      ? l.languageCode
      : l.toString();
  