* returned URI may be semantically different from this URL:
   *
   *  * Characters forbidden by URI like `[` and `|` will be escaped.
   *
   *  * Invalid percent-encoded sequences like `%xx` will be encoded like `%25xx`.
   *
   *  * Whitespace and control characters in the fragment will be stripped.
   *
   * These differences may have a significant consequence when the URI is interpreted by a

   */
  open fun onClosing(
    webSocket: WebSocket,
    code: Int,
    reason: String,
  ) {
  }

  /**
   * Invoked when both peers have indicated that no more messages will be transmitted and the
   * connection has been successfully released. No further calls to this listener will be made.
   */
  open fun onClosed(
    webSocket: WebSocket,

 *  * The server's handshake certificates must include a set of trusted root certificates. They
 *    will be used to authenticate the client's certificate chain. Typically this is not the same
 *    set of root certificates used in server authentication. Instead it will be a small set of
 *    roots private to an organization or service.
 */
class HandshakeCertificates private constructor(

import org.opentest4j.TestAbortedException

/**
 * This test binds two different web servers (IPv4 and IPv6) to the same port, but on different
 * local IP addresses. Requests made to `127.0.0.1` will reach the IPv4 server, and requests made to
 * `::1` will reach the IPv6 server.
 *
 * By orchestrating two different servers with the same port but different IP addresses, we can
 * test what OkHttp does when both are reachable, or if only one is reachable.

   * designed for this nonstandard interaction will use it. As of 2019-01, the only widely-used
   * implementation of this pattern is [gRPC][grpc].
   *
   * Because the encoding of interleaved data is not well-defined for HTTP/1, duplex request
   * bodies may only be used with HTTP/2. Calls to HTTP/1 servers will fail before the HTTP request

    return such malformed responses will now trigger a `ProtocolException` in
    the client.

 *  **WebSocketListener has incompatible changes.** The `onOpen()` method is now
    called on the reader thread, so implementations must return before further
    websocket messages will be delivered. The `onFailure()` method now includes
    an HTTP response if one was returned.

    assertThat(response.body.string()).isEqualTo("abc")
    assertThat(socksProxy.connectionCount()).isEqualTo(1)
  }

  @Test
  fun checkRemoteDNSResolve() {
    // This testcase will fail if the target is resolved locally instead of through the proxy.
    server.enqueue(MockResponse.Builder().body("abc").build())
    val client =
      clientTestRule.newClientBuilder()
        .proxy(socksProxy.proxy())

      if (error !is StreamResetException) {
        throw error!!
      }
    }
  }

  /**
   * We don't know if the connection will support HTTP/2 until after we've connected. When multiple
   * connections are requested concurrently OkHttp will pessimistically connect multiple times, then
   * close any unnecessary connections. This test confirms that behavior works as intended.
   *

   * Response and normal event sequences will not be received.
   *
   * This event will only be received when a Cache is configured for the client.
   */
  open fun cacheHit(
    call: Call,
    response: Response,
  ) {
  }

  /**
   * Invoked when a response will be served from the network. The Response will be
   * available from normal event sequences.
   *

        ConnectionSpec.COMPATIBLE_TLS,
        TlsVersion.TLS_1_2,
        reversed,
      )

    makeRequest(client)

    val expectedConnectionCipherSuites = expectedConnectionCipherSuites(client)
    // Will choose a poor cipher suite but not plaintext.
//    assertThat(handshake.cipherSuite).isEqualTo("TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256")
    assertThat(handshakeEnabledCipherSuites).containsExactly(