if (canceled) {
      stream!!.closeLater(ErrorCode.CANCEL)
      throw IOException("Canceled")
    }
    stream!!.readTimeout().timeout(chain.readTimeoutMillis.toLong(), TimeUnit.MILLISECONDS)
    stream!!.writeTimeout().timeout(chain.writeTimeoutMillis.toLong(), TimeUnit.MILLISECONDS)
  }

  override fun flushRequest() {
    http2Connection.flush()
  }

  override fun finishRequest() {

) : CertificateChainCleaner() {
  @Suppress("UNCHECKED_CAST")
  @Throws(SSLPeerUnverifiedException::class)
  @SuppressSignatureCheck
  override fun clean(
    chain: List<Certificate>,
    hostname: String,
  ): List<Certificate> {
    val certificates = (chain as List<X509Certificate>).toTypedArray()
    try {
      return x509TrustManagerExtensions.checkServerTrusted(certificates, "RSA", hostname)

    inline fun addInterceptor(crossinline block: (chain: Interceptor.Chain) -> Response) =
      addInterceptor(Interceptor { chain -> block(chain) })

    /**
     * Returns a modifiable list of interceptors that observe a single network request and response.
     * These interceptors must call [Interceptor.Chain.proceed] exactly once: it is an error for a

        // Test multi-level exception chain
        Throwable level3 = new NullPointerException("Null value");
        Throwable level2 = new IllegalStateException("Invalid state", level3);
        Throwable level1 = new RuntimeException("Runtime error", level2);
        PluginException exception = new PluginException("Plugin failure", level1);

        // Verify the complete chain

 *    other properties.
 *
 * Certificates are signed by other certificates and a sequence of them is called a certificate
 * chain. The chain terminates in a self-signed "root" certificate. Signing certificates in the
 * middle of the chain are called "intermediates". Organizations that offer certificate signing are
 * called certificate authorities (CAs).
 *

  internal fun newCodec(
    client: OkHttpClient,
    chain: RealInterceptorChain,
  ): ExchangeCodec {
    val okHttpSocket = this.socket
    val http2Connection = this.http2Connection

    return if (http2Connection != null) {
      Http2ExchangeCodec(client, this, chain, http2Connection)
    } else {
      javaNetSocket.soTimeout = chain.readTimeoutMillis()

            converter = new LangAnalyzerConverter(null);
        } else {
            final ReadingConverterChain chain = new ReadingConverterChain();
            for (final String lang : langs) {
                chain.addConverter(new LangAnalyzerConverter(lang));
            }
            converter = chain;
        }
        return converter.convert(text, field);
    }

    /**

            CommonServerMessageBlockRequest last = null;
            CommonServerMessageBlockRequest chain = curHead;
            while (chain != null) {
                n++;
                final int size = chain.size();
                final int cost = chain.getCreditCost();
                final CommonServerMessageBlockRequest next = chain.getNext();
                if (log.isTraceEnabled()) {

	</component>
	<component name="authenticationManager" class="org.codelibs.fess.auth.AuthenticationManager">
		<!--
		<postConstruct name="addChain">
			<arg>
				<component class="org.codelibs.fess.auth.chain.CommandChain">
					<property name="updateCommand">[
					"/usr/sbin/htpasswd",
					"-b",
					"/tmp/test.txt",
					"$USERNAME",
					"$PASSWORD"
					]</property>
					<property name="deleteCommand">[

        // Verify the exception chain
        assertNotNull(runtimeException);
        assertEquals(servletException, runtimeException.getCause());
        assertEquals(rootCause, servletException.getCause());

        // Verify messages in the chain
        assertTrue(runtimeException.getMessage().contains(ServletException.class.getName()));