code: static byte[] toBytes(final String s) {
      try {
        return (byte[]) toBytes.invoke(null, s);
      } catch (Exception e) {
        throw new RuntimeException("toBytes=" + toBytes, e);
      }
    }
docs: Invokes the reflected {@code UniqueId.toBytes()} method with the given
  string  using the UniqueId character set.
  @param s The string to convert to a byte array
  @return The byte array
  @throws RuntimeException if reflection failed