docs: private static String[] getAttributeValues(final RDNSequence rdnSequence, final AttributeType attribute) {
          val values = new ArrayList<String>();
          for (val rdn : rdnSequence.backward()) {
              for (val attr : rdn.getAttributes()) {
                  if (attr.getType().equals(attribute)) {
                      values.add(attr.getValue());
                  }
              }
          }
          return values.toArray(ArrayUtils.EMPTY_STRING_ARRAY);
      }