check(executed.compareAndSet(false, true)) { "Already Executed" }

    timeout.enter()
    callStart()
    try {
      client.dispatcher.executed(this)
      return getResponseWithInterceptorChain()
    } finally {
      client.dispatcher.finished(this)
    }
  }

  override fun enqueue(responseCallback: Callback) {
    check(executed.compareAndSet(false, true)) { "Already Executed" }

      return domainLabels.dropLast(1)
    }

    return domainLabels
  }

  private fun findMatchingRule(domainLabels: List<String>): List<String> {
    if (!listRead.get() && listRead.compareAndSet(false, true)) {
      readTheListUninterruptibly()
    } else {
      try {
        readCompleteLatch.await()
      } catch (_: InterruptedException) {

    val newConnectionsNeeded: Int

    while (true) {
      val oldMap = this.addressStates
      val newMap = oldMap + (address to state)
      if (addressStatesUpdater.compareAndSet(this, oldMap, newMap)) {
        val oldPolicyMinimumConcurrentCalls = oldMap[address]?.policy?.minimumConcurrentCalls ?: 0
        newConnectionsNeeded = policy.minimumConcurrentCalls - oldPolicyMinimumConcurrentCalls

    val ifNoneMatch = AtomicReference<String?>()
    client =
      client.newBuilder()
        .addNetworkInterceptor(
          Interceptor { chain: Interceptor.Chain ->
            ifNoneMatch.compareAndSet(null, chain.request().header("If-None-Match"))
            chain.proceed(chain.request())
          },
        )
        .build()

    // Confirm the value is cached and intercepted.