// We cannot read all, as the source does not close.
    // Instead, we ensure that all bytes from source have been processed by inflater.
    do {
      inflaterSource.readOrInflate(buffer, Long.MAX_VALUE)
    } while (inflater.bytesRead < totalBytesToRead && !inflater.finished())
  }

  @Throws(IOException::class)
  override fun close() = inflaterSource.close()