private val taskRunner = taskFaker.taskRunner
  private lateinit var cache: DiskLruCache
  private val toClose = ArrayDeque<DiskLruCache>()

  private fun createNewCache() {
    createNewCacheWithSize(Int.MAX_VALUE)
  }

  private fun createNewCacheWithSize(maxSize: Int) {
    cache =
      DiskLruCache(filesystem, cacheDir, appVersion, 2, maxSize.toLong(), taskRunner).also {
        toClose.add(it)
      }

import okio.BufferedSink
import okio.BufferedSource
import okio.ByteString
import okio.ByteString.Companion.encodeUtf8
import okio.ByteString.Companion.toByteString

class RealWebSocket(
  taskRunner: TaskRunner,
  /** The application's original request unadulterated by web socket headers. */
  private val originalRequest: Request,
  internal val listener: WebSocketListener,
  private val random: Random,

import okhttp3.OkHttpClientTestRule
import okhttp3.Protocol
import okhttp3.RecordingEventListener
import okhttp3.Request
import okhttp3.TlsVersion
import okhttp3.dnsoverhttps.DnsOverHttps
import okhttp3.internal.concurrent.TaskRunner
import okhttp3.internal.http2.Http2
import okhttp3.internal.platform.Android10Platform
import okhttp3.internal.platform.AndroidPlatform
import okhttp3.internal.platform.Platform
import okhttp3.logging.LoggingEventListener

import okhttp3.TestUtil.assumeNotWindows
import okhttp3.TestUtil.repeat
import okhttp3.WebSocket
import okhttp3.WebSocketListener
import okhttp3.internal.UnreadableResponseBody
import okhttp3.internal.concurrent.TaskRunner
import okhttp3.internal.ws.WebSocketProtocol.acceptHeader
import okhttp3.testing.Flaky
import okhttp3.testing.PlatformRule
import okio.Buffer
import okio.ByteString
import okio.ByteString.Companion.decodeHex

          .request(Request.Builder().url(url).build())
          .headers(responseHeaders!!)
          .protocol(Protocol.HTTP_1_1)
          .build()
      webSocket =
        RealWebSocket(
          taskFaker.taskRunner,
          response.request,
          listener,
          random!!,
          pingIntervalMillis.toLong(),
          parse(
            responseHeaders,
          ),