code: @Nullable
    @ReturnsMutableCopy
    public ICommonsList <String> getPostalCodeExamples (@Nullable final Locale aCountry)
    {
      final IPostalCodeCountry aPostalCountry = getPostalCountryOfCountry (aCountry);
      return aPostalCountry == null ? null : aPostalCountry.getAllExamples ();
    }
docs: Get a list of possible postal code examples for the passed country.
  
  @param aCountry
  The country for which the examples are to be retrieved. May be
  <code>null</code>.
  @return <code>null</code> if no postal code definitions exists for the
  passed country, a non-empty list with all examples otherwise.