// held
      chain = segment.newEntry(key, cache.hash(key), chain);
      if (i == 0) {
        head = chain;
      }
    }
  }

  @SuppressWarnings("GuardedBy")
  @Benchmark
  int time(int reps) {
    int dummy = 0;
    for (int i = 0; i < reps; i++) {
      // TODO(b/145386688): This access should be guarded by 'this.segment', which is not currently

  fun checkServerTrusted(
    chain: Array<out X509Certificate>,
    authType: String,
    host: String,
  ): List<Certificate> {
    if (host in insecureHosts) return listOf()
    try {
      val method =
        checkServerTrustedMethod
          ?: throw CertificateException("Failed to call checkServerTrusted")
      return method.invoke(delegate, chain, authType, host) as List<Certificate>

  static class GzipRequestInterceptor implements Interceptor {
    @Override public Response intercept(Chain chain) throws IOException {
      Request originalRequest = chain.request();
      if (originalRequest.body() == null || originalRequest.header("Content-Encoding") != null) {
        return chain.proceed(originalRequest);
      }

      Request compressedRequest = originalRequest.newBuilder()

    protected void createFilterChain() {
        FilterChain chain = createDefaultFilterChain();
        for (final Filter element : filterList) {
            chain = appendFilterChain(element, chain);
        }
        filterChain = chain;
    }

    protected FilterChain appendFilterChain(final Filter filter, final FilterChain chain) {
        return query -> filter.parse(query, chain);
    }

    @Override public Response intercept(Chain chain) throws IOException {
      long t1 = System.nanoTime();
      Request request = chain.request();
      logger.info(String.format("Sending request %s on %s%n%s",
          request.url(), chain.connection(), request.headers()));
      Response response = chain.proceed(request);

      long t2 = System.nanoTime();

    public void test_convert() throws Exception {
        /*
         * TODO ReadingConverterChain chain = new ReadingConverterChain(); chain.addConverter(new KatakanaConverter());
         * chain.addConverter(new KatakanaToAlphabetConverter()); chain.init();
         *
         * List<String> list = chain.convert("検索"); assertTrue(list.contains("ケンサク"));
         * assertTrue(list.contains("kennsaku"));
         */
    }

        FilterChain chain = createDefaultFilterChain();
        for (final Filter element : filterList) {
            chain = appendFilterChain(element, chain);
        }
        filterChain = chain;
    }

    protected FilterChain appendFilterChain(final Filter filter, final FilterChain chain) {
        return (context, query, boost) -> filter.execute(context, query, boost, chain);
    }

    @Override public Response intercept(Chain chain) throws IOException {
      Request request = chain.request();
      Headers newHeaders = request.headers()
          .newBuilder()
          .add("Date", new Date())
          .build();
      Request newRequest = request.newBuilder()
          .headers(newHeaders)
          .build();
      return chain.proceed(newRequest);
    }
  }

      this.host = host;
    }

    @Override public Response intercept(Chain chain) throws IOException {
      Request request = chain.request();
      if (request.url().host().equals(host)) {
        request = request.newBuilder()
            .header("Authorization", credentials)
            .build();
      }
      return chain.proceed(request);
    }
  }

      chain[0] = heldCertificate.certificate
      intermediates.copyInto(chain, 1)
      keyStore.setKeyEntry("private", heldCertificate.keyPair.private, password, chain)
    }

    val factory = KeyManagerFactory.getInstance(KeyManagerFactory.getDefaultAlgorithm())
    factory.init(keyStore, password)
    val result = factory.keyManagers!!
    check(result.size == 1 && result[0] is X509KeyManager) {