nonNull(request, "request");
        Model content = nonNull(request.getContent(), "content");
        Path path = request.getPath();
        OutputStream outputStream = request.getOutputStream();
        Writer writer = request.getWriter();
        if (writer == null && outputStream == null && path == null) {
            throw new IllegalArgumentException("writer, outputStream or path must be non null");
        }

    synchronized(this) {
      if (executor.isShutdown) {
        socket.close()
        return
      }
    }
    val outputStream = socket.getOutputStream()
    val inputStream = socket.getInputStream()
    val reader = Http2Reader(inputStream.source().buffer(), client)
    val outFramesIterator: Iterator<OutFrame> = outFrames.iterator()