}

        override fun writeTo(sink: BufferedSink) {
          var failureCount = 0
          for (i in 0..1023) {
            try {
              sink.write(ByteArray(1024 * 256))
              sink.flush()
            } catch (e: IOException) {
              failureCount++
              if (failureCount == 3) throw e
            }
          }
        }
      }
    server.enqueue(