enableCache()
    server.enqueue(
      MockResponse
        .Builder()
        .addHeader("ETag: v1")
        .body("abc")
        .build(),
    )
    server.enqueue(
      MockResponse
        .Builder()
        .code(HttpURLConnection.HTTP_OK)
        .addHeader("ETag: v2")
        .body("abd")
        .build(),
    )
    var call =
      client.newCallWithListener(

v.data)&&(f+=(At.test(f)?"&":"?")+v.data,delete v.data),!1===v.cache&&(f=f.replace(It,"$1"),o=(At.test(f)?"&":"?")+"_="+jt.guid+++o),v.url=f+o),v.ifModified&&(ce.lastModified[f]&&T.setRequestHeader("If-Modified-Since",ce.lastModified[f]),ce.etag[f]&&T.setRequestHeader("If-None-Match",ce.etag[f])),(v.data&&v.hasContent&&!1!==v.contentType||t.contentType)&&T.setRequestHeader("Content-Type",v.contentType),T.setRequestHeader("Accept",v.dataTypes[0]&&v.accepts[v.dataTypes[0]]?v.accepts[v.dataTypes[0]]+("*"!==v.dataTypes[0]?",...

est(d)?"&":"?")+k.data,delete k.data),k.cache===!1&&(k.url=hc.test(d)?d.replace(hc,"$1_="+cc++):d+(dc.test(d)?"&":"?")+"_="+cc++)),k.ifModified&&(n.lastModified[d]&&v.setRequestHeader("If-Modified-Since",n.lastModified[d]),n.etag[d]&&v.setRequestHeader("If-None-Match",n.etag[d])),(k.data&&k.hasContent&&k.contentType!==!1||b.contentType)&&v.setRequestHeader("Content-Type",k.contentType),v.setRequestHeader("Accept",k.dataTypes[0]&&k.accepts[k.dataTypes[0]]?k.accepts[k.dataTypes[0]]+("*"!==k.dataTypes[0]?",...

    this was case sensitive. This change should also make it easier to configure
    certificate pinning for internationalized domain names.
 *  Fix: Don’t crash on non-ASCII `ETag` headers. Previously OkHttp would reject
    these headers when validating a cached response.
 *  Fix: Don’t allow remote peer to arbitrarily size the HPACK decoder dynamic
    table.

  @Test
  fun conditionalCache() {
    client =
      client
        .newBuilder()
        .cache(cache)
        .build()
    server.enqueue(
      MockResponse(
        headers = headersOf("ETag", "v1"),
        body = "A",
      ),
    )
    server.enqueue(
      MockResponse(code = HttpURLConnection.HTTP_NOT_MODIFIED),
    )
    val call1 = client.newCall(Request(server.url("/")))