) {
          taskRunner.assertLockHeld()

          val queuedTask = RunnableSerialTask(runnable)
          serialTaskQueue += queuedTask
          executeCallCount++
          isParallel = serialTaskQueue.size > 1
        }

        override fun nanoTime() = nanoTime

        override fun coordinatorNotify(taskRunner: TaskRunner) {
          taskRunner.assertLockHeld()

  private fun beforeRun(task: Task) {
    assertLockHeld()

    task.nextExecuteNanoTime = -1L
    val queue = task.queue!!
    queue.futureTasks.remove(task)
    readyQueues.remove(queue)
    queue.activeTask = task
    busyQueues.add(queue)
  }

  private fun afterRun(
    task: Task,
    delayNanos: Long,
    completedNormally: Boolean,
  ) {
    assertLockHeld()

    val queue = task.queue!!

import okhttp3.Route
import okhttp3.internal.closeQuietly
import okhttp3.internal.concurrent.Task
import okhttp3.internal.concurrent.TaskQueue
import okhttp3.internal.concurrent.TaskRunner
import okhttp3.internal.concurrent.assertLockHeld
import okhttp3.internal.concurrent.withLock
import okhttp3.internal.connection.RealCall.CallReference
import okhttp3.internal.okHttpName
import okhttp3.internal.platform.Platform
import okio.IOException

import okhttp3.Protocol
import okhttp3.Route
import okhttp3.internal.closeQuietly
import okhttp3.internal.concurrent.Lockable
import okhttp3.internal.concurrent.TaskRunner
import okhttp3.internal.concurrent.assertLockHeld
import okhttp3.internal.concurrent.assertLockNotHeld
import okhttp3.internal.concurrent.withLock
import okhttp3.internal.http.ExchangeCodec
import okhttp3.internal.http.RealInterceptorChain

  if (assertionsEnabled && Thread.holdsLock(this)) {
    throw AssertionError("Thread ${Thread.currentThread().name} MUST NOT hold lock on $this")
  }
}

internal inline fun Lockable.assertLockHeld() {
  if (assertionsEnabled && !Thread.holdsLock(this)) {
    throw AssertionError("Thread ${Thread.currentThread().name} MUST hold lock on $this")
  }
}

@OptIn(ExperimentalContracts::class)

import okhttp3.Response
import okhttp3.internal.assertLockNotHeld
import okhttp3.internal.cache.CacheInterceptor
import okhttp3.internal.closeQuietly
import okhttp3.internal.concurrent.Lockable
import okhttp3.internal.concurrent.assertLockHeld
import okhttp3.internal.concurrent.assertLockNotHeld
import okhttp3.internal.concurrent.withLock
import okhttp3.internal.http.BridgeInterceptor
import okhttp3.internal.http.CallServerInterceptor

import okhttp3.internal.closeQuietly
import okhttp3.internal.concurrent.Lockable
import okhttp3.internal.concurrent.Task
import okhttp3.internal.concurrent.TaskRunner
import okhttp3.internal.concurrent.assertLockHeld
import okhttp3.internal.deleteContents
import okhttp3.internal.deleteIfExists
import okhttp3.internal.isCivilized
import okhttp3.internal.okHttpName
import okhttp3.internal.platform.Platform

import okhttp3.internal.closeQuietly
import okhttp3.internal.concurrent.Lockable
import okhttp3.internal.concurrent.Task
import okhttp3.internal.concurrent.TaskRunner
import okhttp3.internal.concurrent.assertLockHeld
import okhttp3.internal.connection.BufferedSocket
import okhttp3.internal.connection.RealCall
import okhttp3.internal.connection.asBufferedSocket
import okhttp3.internal.okHttpName