*/
    fun eventListener(eventListener: EventListener) =
      apply {
        this.eventListenerFactory = eventListener.asFactory()
      }

    /**
     * Configure a factory to provide per-call scoped listeners that will receive analytic events
     * for this client.
     *
     * @see EventListener for semantics and restrictions on listener implementations.
     */

      }
    }

    @Throws(IOException::class)
    private fun pushPromises(
      stream: Http2Stream,
      request: RecordedRequest,
      promises: List<PushPromise>,
    ) {
      for (pushPromise in promises) {
        val pushedHeaders = mutableListOf<Header>()
        pushedHeaders.add(Header(Header.TARGET_AUTHORITY, url(pushPromise.path).host))

    )
    val url = server.url("/a")
    assertThat(get(url).body.string()).isEqualTo("a")
    val i: Iterator<String> = cache.urls()
    cache.evictAll()

    // The URL was evicted before hasNext() made any promises.
    assertThat(i.hasNext()).isFalse()
    assertFailsWith<NoSuchElementException> {
      i.next()
    }
  }

  /** Test https://github.com/square/okhttp/issues/1712.  */
  @Test

import okhttp3.internal.format

class RecordingProxySelector : ProxySelector() {
  @JvmField val proxies = mutableListOf<Proxy>()

  private val requestedUris = mutableListOf<URI>()
  private val failures = mutableListOf<String>()

  override fun select(uri: URI): List<Proxy> {
    requestedUris.add(uri)
    return proxies
  }

  fun assertRequests(vararg expectedUris: URI?) {

    override val call: Call,
    val url: HttpUrl,
  ) : CallEvent()

  data class ProxySelectEnd(
    override val timestampNs: Long,
    override val call: Call,
    val url: HttpUrl,
    val proxies: List<Proxy>?,
  ) : CallEvent() {
    override fun closes(event: CallEvent): Boolean = event is ProxySelectStart && call == event.call && url == event.url
  }

  data class DnsStart(
    override val timestampNs: Long,

HeldCertificate serverCertificate = new HeldCertificate.Builder()
    .addSubjectAlternativeName("localhost")
    .signedBy(intermediateCertificate)
    .build();
```

To serve this configuration the server needs to provide its clients with a chain of certificates
starting with its own and including everything up-to but not including the root. We don't need to
include root certificates because the client already has them.

```java

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