*
   * 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

  @Test fun connectExceptionsAreReturnedAsSuppressed() {
    val proxySelector = RecordingProxySelector()
    proxySelector.proxies.add(Proxy(Proxy.Type.HTTP, TestUtil.UNREACHABLE_ADDRESS_IPV4))
    proxySelector.proxies.add(Proxy.NO_PROXY)
    server.close()

    client =
      client
        .newBuilder()
        .proxySelector(proxySelector)
        .readTimeout(Duration.ofMillis(100))
        .connectTimeout(Duration.ofMillis(100))

    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)

    }
  }

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

    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

    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()))

                        }
                    });
                }
            } 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
      }

    /**

*   The httpstream/spdy calls now support CIDR notation for NO_PROXY ([#54413](https://github.com/kubernetes/kubernetes/pull/54413),[ @kad](https://github.com/kad))