server.enqueue(
      MockResponse
        .Builder()
        .onRequestStart(CloseStream(ErrorCode.REFUSED_STREAM.httpCode))
        .build(),
    )
    server.enqueue(
      MockResponse
        .Builder()
        .onRequestStart(CloseStream(ErrorCode.REFUSED_STREAM.httpCode))
        .build(),
    )
    server.enqueue(
      MockResponse
        .Builder()

      Graph<N> graph) {
    // ImmutableMap.Builder maintains the order of the elements as inserted, so the map will have
    // whatever ordering the graph's nodes do, so ImmutableSortedMap is unnecessary even if the
    // input nodes are sorted.
    ImmutableMap.Builder<N, GraphConnections<N, Presence>> nodeConnections = ImmutableMap.builder();
    for (N node : graph.nodes()) {

    @Override
    public SearchRequestBuilder build(SearchRequestBuilder builder) {
        if (_conditionQuery != null) {
            QueryBuilder queryBuilder = _conditionQuery.getQuery();
            if (queryBuilder != null) {
                builder.setQuery(queryBuilder);
            }
            _conditionQuery.getFieldSortBuilderList().forEach(sort -> {
                builder.addSort(sort);
            });
        }

        final String[] hosts =
                split(address, ",").get(stream -> stream.map(String::trim).filter(StringUtil::isNotEmpty).toArray(n -> new String[n]));
        final Builder builder = Settings.builder()
                .putList("http.hosts", hosts)
                .put("processors", fessConfig.getCrawlerHttpProcessors())
                .put("http.heartbeat_interval", fessConfig.getFesenHeartbeatInterval());

    CacheBuilder<Object, Object> builder = CacheBuilder.newBuilder();
    if (concurrencyLevel != null) {
      builder.concurrencyLevel(concurrencyLevel);
    }
    if (initialCapacity != null) {
      builder.initialCapacity(initialCapacity);
    }
    if (maximumSize != null) {
      builder.maximumSize(maximumSize);
    }
    if (expireAfterWrite != null) {

      ConnectionSpec
        .Builder(ConnectionSpec.MODERN_TLS)
        .tlsVersions(*arrayOf<String>())
        .build()
    }.also { expected ->
      assertThat(expected.message)
        .isEqualTo("At least one TLS version is required")
    }
  }

  @Test
  fun noCipherSuites() {
    assertFailsWith<IllegalArgumentException> {
      ConnectionSpec
        .Builder(ConnectionSpec.MODERN_TLS)

      Security.insertProviderAt(Conscrypt.newProviderBuilder().build(), 1)

      val request = Request.Builder().url("https://facebook.com/robots.txt").build()

      var socketClass: String? = null

      // Need fresh client to reset sslSocketFactoryOrNull
      client =
        OkHttpClient
          .Builder()
          .eventListenerFactory(
            clientTestRule.wrap(
              object : EventListener() {

    @Override
    public SearchRequestBuilder build(SearchRequestBuilder builder) {
        if (_conditionQuery != null) {
            QueryBuilder queryBuilder = _conditionQuery.getQuery();
            if (queryBuilder != null) {
                builder.setQuery(queryBuilder);
            }
            _conditionQuery.getFieldSortBuilderList().forEach(sort -> {
                builder.addSort(sort);
            });
        }

    server.enqueue(
      MockResponse
        .Builder()
        .body("seed connection")
        .build(),
    )
    server.enqueue(
      MockResponse
        .Builder()
        .code(421)
        .body("misdirected!")
        .build(),
    )
    server.enqueue(
      MockResponse
        .Builder()
        .body("after misdirect")
        .build(),
    )

      ValueGraph<N, V> graph) {
    // ImmutableMap.Builder maintains the order of the elements as inserted, so the map will have
    // whatever ordering the graph's nodes do, so ImmutableSortedMap is unnecessary even if the
    // input nodes are sorted.
    ImmutableMap.Builder<N, GraphConnections<N, V>> nodeConnections = ImmutableMap.builder();
    for (N node : graph.nodes()) {