println("Response 2 cache response:    ${it.cacheResponse}")
        println("Response 2 network response:  ${it.networkResponse}")
        return@use it.body.string()
      }

    println("Response 2 equals Response 1? " + (response1Body == response2Body))
  }
}

fun main() {
  CacheResponse(File("CacheResponse.tmp")).run()

fun Response.Builder.commonCacheResponse(cacheResponse: Response?) =
  apply {
    checkSupportResponse("cacheResponse", cacheResponse)
    this.cacheResponse = cacheResponse
  }

private fun checkSupportResponse(
  name: String,
  response: Response?,
) {
  response?.apply {
    require(networkResponse == null) { "$name.networkResponse != null" }
    require(cacheResponse == null) { "$name.cacheResponse != null" }

    // If we don't need the network, we're done.
    if (networkRequest == null) {
      return cacheResponse!!.newBuilder()
        .cacheResponse(cacheResponse.stripBody())
        .build().also {
          listener.cacheHit(call, it)
        }
    }

    if (cacheResponse != null) {
      listener.cacheConditionalHit(call, cacheResponse)
    } else if (cache != null) {
      listener.cacheMiss(call)
    }

    private fun isFreshnessLifetimeHeuristic(): Boolean {
      return cacheResponse!!.cacheControl.maxAgeSeconds == -1 && expires == null
    }

    init {
      if (cacheResponse != null) {
        this.sentRequestMillis = cacheResponse.sentRequestAtMillis
        this.receivedResponseMillis = cacheResponse.receivedResponseAtMillis
        val headers = cacheResponse.headers
        for (i in 0 until headers.size) {

  fun assertNoCacheResponse() =
    apply {
      assertThat(response!!.cacheResponse).isNull()
    }

  /**
   * Asserts that the current response used the cache and returns the cache response.
   */
  fun cacheResponse(): RecordedResponse {
    val cacheResponse = response!!.cacheResponse!!
    return RecordedResponse(cacheResponse.request, cacheResponse, null, null, null)
  }

  @JvmName("-deprecated_cacheResponse")
  @Deprecated(
    message = "moved to val",
    replaceWith = ReplaceWith(expression = "cacheResponse"),
    level = DeprecationLevel.ERROR,
  )
  fun cacheResponse(): Response? = cacheResponse

  @JvmName("-deprecated_priorResponse")
  @Deprecated(
    message = "moved to val",
    replaceWith = ReplaceWith(expression = "priorResponse"),

 [CacheResponseJava]: https://github.com/square/okhttp/blob/master/samples/guide/src/main/java/okhttp3/recipes/CacheResponse.java
 [CacheResponseKotlin]: https://github.com/square/okhttp/blob/master/samples/guide/src/main/java/okhttp3/recipes/kt/CacheResponse.kt
 [CancelCallJava]: https://github.com/square/okhttp/blob/master/samples/guide/src/main/java/okhttp3/recipes/CancelCall.java

    call.execute().use { response ->
      assertThat(response.code).isEqualTo(200)
      assertThat(response.cacheResponse).isNull()
    }

    val cachedCall = client.newCall(request)

    cachedCall.execute().use { response ->
      assertThat(response.code).isEqualTo(200)
      assertThat(response.cacheResponse).isNotNull()
    }
  }

  private fun assumeNetwork() {
    try {

            .cacheControl(onlyIfCached)
            .cacheUrlOverride(cacheUrl)
            .build()

        val cacheResponse = client.newCall(cacheRequest).execute()

        if (cacheResponse.code != HttpURLConnection.HTTP_GATEWAY_TIMEOUT) {
          return cacheResponse
        }
      } catch (ioe: IOException) {
        // Failures are ignored as we can fallback to the network

received followed by a cache hit or miss.  Critically in the cache hit scenario the server won’t send the response body.

The response will have non-null `cacheResponse` and `networkResponse`. The cacheResponse will be used as the top level
response only if the response code is HTTP/1.1 304 Not Modified.
 
 - CallStart
 - **CacheConditionalHit**
 - ConnectionAcquired
 - ... Standard Events...