val uri = url.toUri()
      if (uri.host == null) return immutableListOf(Proxy.NO_PROXY)

      // Try each of the ProxySelector choices until one connection succeeds.
      val proxiesOrNull = address.proxySelector.select(uri)
      if (proxiesOrNull.isNullOrEmpty()) return immutableListOf(Proxy.NO_PROXY)

      return proxiesOrNull.toImmutableList()
    }

      factory.newAddress(
        proxy = Proxy.NO_PROXY,
      )
    val routeSelector = newRouteSelector(address)
    assertThat(routeSelector.hasNext()).isTrue()
    dns[uriHost] = dns.allocate(2)
    val selection = routeSelector.next()
    assertRoute(selection.next(), address, Proxy.NO_PROXY, dns.lookup(uriHost, 0), uriPort)
    assertRoute(selection.next(), address, Proxy.NO_PROXY, dns.lookup(uriHost, 1), uriPort)

   *
   * Note that the list of proxies is never null, but it may be a list containing
   * only [Proxy.NO_PROXY]. This comes up in several situations:
   *
   * * If neither a proxy nor proxy selector is configured.
   * * If the proxy is configured explicitly as [Proxy.NO_PROXY].
   * * If the proxy selector returns only [Proxy.NO_PROXY].
   * * If the proxy selector returns an empty list or null.
   *

        }
    }

    @Test
    public void testProxyMethod() {
        CurlRequest request = new CurlRequest(Method.GET, "https://example.com");
        Proxy proxy = Proxy.NO_PROXY;

        CurlRequest result = request.proxy(proxy);

        assertSame(request, result); // Fluent API
        assertSame(proxy, request.proxy());
    }

    @Test

 */
class TestValueFactory : Closeable {
  var taskFaker: TaskFaker = TaskFaker()
  var taskRunner: TaskRunner = taskFaker.taskRunner
  var dns: Dns = Dns.SYSTEM
  var proxy: Proxy = Proxy.NO_PROXY
  var proxySelector: ProxySelector = RecordingProxySelector()
  var proxyAuthenticator: Authenticator = RecordingOkAuthenticator("password", null)
  var connectionSpecs: List<ConnectionSpec> =
    listOf(

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

    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()))

    protected CurlRequest createCurlRequest(final String url) {
        final CurlRequest request = Curl.get(url);
        final Proxy proxy = ComponentUtil.getFessConfig().getHttpProxy();
        if (proxy != null && !Proxy.NO_PROXY.equals(proxy)) {
            request.proxy(proxy);
        }
        return request;
    }

    /**
     * Deletes an installed artifact.
     *
     * @param artifact the artifact to delete

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

    String getThumbnailHtmlImageExcludeExtensions();

     * 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
      }

    /**