}
  }

  internal enum class ProxyConfig {
    NO_PROXY {
      override fun connect(
        server: MockWebServer,
        client: OkHttpClient,
      ): Call.Factory {
        return client.newBuilder()
          .proxy(Proxy.NO_PROXY)
          .build()
      }
    },
    CREATE_ARG {
      override fun connect(

    assertThat(connectStart.call).isSameAs(call)
    assertThat(connectStart.inetSocketAddress).isEqualTo(expectedAddress)
    assertThat(connectStart.proxy).isEqualTo(Proxy.NO_PROXY)
    val connectEnd = listener.removeUpToEvent<CallEvent.ConnectEnd>()
    assertThat(connectEnd.call).isSameAs(call)
    assertThat(connectEnd.inetSocketAddress).isEqualTo(expectedAddress)

// ProxyFromEnvironment returns the URL of the proxy to use for a
// given request, as indicated by the environment variables
// HTTP_PROXY, HTTPS_PROXY and NO_PROXY (or the lowercase versions
// thereof). Requests use the proxy from the environment variable
// matching their scheme, unless excluded by NO_PROXY.
//
// The environment values may be either a complete URL or a
// "host[:port]", in which case the "http" scheme is assumed.

    builder = builder.writeTimeout(Duration.ofSeconds(0L))
    builder = builder.pingInterval(0L, TimeUnit.SECONDS)
    builder = builder.pingInterval(Duration.ofSeconds(0L))
    builder = builder.proxy(Proxy.NO_PROXY)
    builder = builder.proxySelector(NullProxySelector)
    builder = builder.cookieJar(CookieJar.NO_COOKIES)
    builder = builder.cache(Cache(File("/cache/"), Integer.MAX_VALUE.toLong()))

     * precedence over [proxySelector], which is only honored when this proxy is null (which it is
     * by default). To disable proxy use completely, call `proxy(Proxy.NO_PROXY)`.
     */
    fun proxy(proxy: Proxy?) =
      apply {
        if (proxy != this.proxy) {
          this.routeDatabase = null
        }
        this.proxy = proxy
      }

    /**

	}
}

type proxyFromEnvTest struct {
	req string // URL to fetch; blank means "http://example.com"

	env      string // HTTP_PROXY
	httpsenv string // HTTPS_PROXY
	noenv    string // NO_PROXY
	reqmeth  string // REQUEST_METHOD

	want    string
	wanterr error
}

func (t proxyFromEnvTest) String() string {
	var buf strings.Builder
	space := func() {
		if buf.Len() > 0 {

                        }
                    });
                }
            } else {
                proxy = Proxy.NO_PROXY;
            }
            propMap.put(HTML_PROXY, proxy);
        }
        return proxy;
    }

    String getThumbnailHtmlImageExcludeExtensions();

	proxyOnce.Do(func() {
		if cfg.GONOPROXY != "" && cfg.GOPROXY != "direct" {
			proxyOnce.list = append(proxyOnce.list, proxySpec{url: "noproxy"})
		}

		goproxy := cfg.GOPROXY
		for goproxy != "" {
			var url string
			fallBackOnError := false
			if i := strings.IndexAny(goproxy, ",|"); i >= 0 {
				url = goproxy[:i]
				fallBackOnError = goproxy[i] == '|'
				goproxy = goproxy[i+1:]
			} else {
				url = goproxy

    client =
      client.newBuilder()
        .proxySelector(
          FakeProxySelector()
            .addProxy(server2.toProxyAddress())
            .addProxy(Proxy.NO_PROXY),
        )
        .build()
    server2.shutdown()
    val request =
      Request(
        url = server.url("/"),
        body = "abc".toRequestBody("text/plain".toMediaType()),
      )

		// GOSUMDB=off or GONOSUMDB matches the pattern.
		// If GOSUMDB=off, then the eventual lookup will fail
		// with a good error message.

		// Exception #1: using GOPROXY=file:// to test a distpack.
		if strings.HasPrefix(cfg.GOPROXY, "file://") && !strings.ContainsAny(cfg.GOPROXY, ",|") {
			must = false
		}
		// Exception #2: the Go proxy+checksum database cannot check itself
		// while doing the initial download.