import okio.ByteString

/**
 * An [RFC 6455][rfc_6455]-compatible WebSocket frame writer.
 *
 * This class is not thread safe.
 *
 * [rfc_6455]: http://tools.ietf.org/html/rfc6455
 */
class WebSocketWriter(
  private val isClient: Boolean,
  val sink: BufferedSink,
  val random: Random,
  private val perMessageDeflate: Boolean,
  private val noContextTakeover: Boolean,
  private val minimumDeflateSize: Long,

  private val serverWriter =
    WebSocketWriter(
      isClient = false,
      sink = data,
      random = random,
      perMessageDeflate = false,
      noContextTakeover = false,
      minimumDeflateSize = 0L,
    )
  private val clientWriter =
    WebSocketWriter(
      isClient = true,
      sink = data,
      random = random,

   */
  @Throws(IOException::class)
  internal fun writeOneFrame(): Boolean {
    val writer: WebSocketWriter?
    val pong: ByteString?
    var messageOrClose: Any? = null
    var receivedCloseCode = -1
    var receivedCloseReason: String? = null
    var streamsToClose: Streams? = null
    var writerToClose: WebSocketWriter? = null

    synchronized(this@RealWebSocket) {
      if (failed) {