*/
  @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 sendOnClosed = false
    var writerToClose: WebSocketWriter? = null

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