private static void validateLocaleForTranslations()

in locales-common/src/main/java/com/spotify/i18n/locales/common/model/ResolvedLocale.java [208:217]


    private static void validateLocaleForTranslations(ResolvedLocale resolvedLocale) {
      Preconditions.checkState(
          !resolvedLocale.localeForTranslations().equals(ULocale.ROOT),
          "The given localeForTranslations cannot be the root.");

      Preconditions.checkState(
          SupportedLocale.ALL_AVAILABLE_LOCALES.contains(resolvedLocale.localeForTranslations()),
          "The given localeForTranslations %s must be canonical and available in CLDR.",
          resolvedLocale.localeForTranslations().toLanguageTag());
    }