assertThat(routeSelector.hasNext()).isFalse()
  }

  @Test fun proxyDnsFailureContinuesToNextProxy() {
    val address = factory.newAddress()
    proxySelector.proxies.add(proxyA)
    proxySelector.proxies.add(proxyB)
    proxySelector.proxies.add(proxyA)
    val routeSelector = newRouteSelector(address)
    proxySelector.assertRequests(address.url.toUri())
    assertThat(routeSelector.hasNext()).isTrue()

class FakeProxySelector : ProxySelector() {
  val proxies: MutableList<Proxy> = mutableListOf()

  fun addProxy(proxy: Proxy): FakeProxySelector {
    proxies.add(proxy)
    return this
  }

  override fun select(uri: URI): List<Proxy> {
    // Don't handle 'socket' schemes, which the RI's Socket class may request (for SOCKS).
    return if (uri.scheme == "http" || uri.scheme == "https") proxies else listOf(Proxy.NO_PROXY)
  }

import java.net.URI
import okhttp3.internal.format

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

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

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

  fun assertRequests(vararg expectedUris: URI?) {

        );

        for (RdmaProvider provider : providers) {
            if (provider.isAvailable()) {
                log.info("Selected RDMA provider: {}", provider.getProviderName());
                return provider;
            }
        }

        log.warn("No RDMA providers available");
        return null;
    }

    /**
     * Check if any RDMA provider is available
     *

    created before HTTP/2 settings have been acknowledged.
 *  Fix: Improve recovery from failed routes.
 *  Fix: Accommodate tunneling proxies that close the connection after an auth
    challenge.
 *  Fix: Use the proxy authenticator when authenticating HTTP proxies. This
    regression was introduced in OkHttp 3.0.
 *  Fix: Fail fast if network interceptors transform the response body such that

/**
 * Returns a new provider that takes its value from at most one
 * of the given providers. If no input provider is present, the output
 * provider will not be present. If more than one input provider
 * has a value specified, the resulting provider will throw an
 * exception when queried.
 */
fun <T: Any> atMostOneOf(vararg providers: Provider<T>): Provider<T> {
    return providers.map { provider ->

| `minio_cluster_replication_proxied_head_requests_total` | (_Site Replication Only_)Number of HEAD requests proxied to replication target                          |
| `minio_cluster_replication_proxied_delete_tagging_requests_total` | (_Site Replication Only_)Number of DELETE tagging requests proxied to replication target                          |

/**
 * Unit tests for TCP RDMA provider
 */
public class TcpRdmaProviderTest {

    private TcpRdmaProvider provider;

    @BeforeEach
    public void setUp() {
        provider = new TcpRdmaProvider();
    }

    @Test
    public void testIsAvailable() {
        assertTrue(provider.isAvailable(), "TCP provider should always be available");
    }

    @Test

                        InetSocketAddress address,
                        RdmaProvider provider) throws IOException {
        super(context, address.getAddress(), address.getPort());
        
        this.provider = provider;
        this.rdmaConnection = provider.createConnection(address, getLocalAddress());
        this.bufferManager = new RdmaBufferManager(provider);
        this.credits = new RdmaCredits();
        

  }

  @Test
  fun testHttps(
    provider: Provider = Provider.JSSE,
    protocol: Protocol = burstValues(HTTP_1_1, HTTP_2),
    tlsVersion: TlsVersion = burstValues(TLS_1_3, TLS_1_2),
    socketMode: SocketMode = burstValues(Channel, Standard),
    tlsExtensionMode: TlsExtensionMode = TlsExtensionMode.STANDARD,
  ) {
    testConnection(TlsInstance(provider, protocol, tlsVersion, socketMode, tlsExtensionMode))
  }