code: public static String getFullName(final ZoneId self, Locale locale) {
          return self.getDisplayName(TextStyle.FULL, locale);
      }
docs: Returns the name of this zone formatted according to the {@link java.time.format.TextStyle#FULL} text style
  for the provided {@link java.util.Locale}.
  
  @param self   a ZoneId
  @param locale a Locale
  @return the full display name of the ZoneId
  @since 2.5.0