@IgnoreJRERequirement // https://github.com/mojohaus/animal-sniffer/issues/67
    static boolean updateByteBuffer(Checksum cs, ByteBuffer bb) {
      if (UPDATE_BB != null) {
        try {
          UPDATE_BB.invokeExact(cs, bb);
        } catch (Throwable e) {
          // `update` has no `throws` clause.
          sneakyThrow(e);
        }
        return true;
      } else {
        return false;
      }
    }