source: ByteString,
    sink: BufferedSink,
  ) {
    var accumulator = 0L
    var accumulatorBitCount = 0

    for (i in 0 until source.size) {
      val symbol = source[i] and 0xff
      val code = CODES[symbol]
      val codeBitCount = CODE_BIT_COUNTS[symbol].toInt()

      accumulator = (accumulator shl codeBitCount) or code.toLong()
      accumulatorBitCount += codeBitCount

      while (accumulatorBitCount >= 8) {