TestAuthenticationChain chain3 = new TestAuthenticationChain();
        chain1.changePasswordResult = true;
        chain2.changePasswordResult = true;
        chain3.changePasswordResult = true;

        authenticationManager.addChain(chain1);
        authenticationManager.addChain(chain2);
        authenticationManager.addChain(chain3);

  /**
   * Returns a cleaned chain for [chain].
   *
   * This method throws if the complete chain to a trusted CA certificate cannot be constructed.
   * This is unexpected unless the trust root index in this class has a different trust manager than
   * what was used to establish [chain].
   */
  @Throws(SSLPeerUnverifiedException::class)
  override fun clean(
    chain: List<Certificate>,
    hostname: String,

    val interceptor1 =
      Interceptor { chainA: Interceptor.Chain ->
        assertThat(chainA.connectTimeoutMillis()).isEqualTo(5000)
        val chainB = chainA.withConnectTimeout(100, TimeUnit.MILLISECONDS)
        assertThat(chainB.connectTimeoutMillis()).isEqualTo(100)
        chainB.proceed(chainA.request())
      }
    val interceptor2 =
      Interceptor { chain: Interceptor.Chain ->

     *     chain.proceed(chain.request())
     * }
     * ```
     */
    inline operator fun invoke(crossinline block: (chain: Chain) -> Response): Interceptor = Interceptor { block(it) }
  }

  interface Chain {
    fun request(): Request

    @Throws(IOException::class)
    fun proceed(request: Request): Response

    /**

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

    /**
     * Appends a filter to the existing filter chain.
     *
     * @param filter the filter to append
     * @param chain the existing filter chain

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

    /**
     * Appends a filter to an existing filter chain.
     *
     * @param filter the filter to append
     * @param chain the existing filter chain to append to

        User u = user;
        for (final AuthenticationChain chain : chains) {
            u = chain.load(u);
        }
        return u;
    }

    /**
     * Adds an authentication chain to the manager.
     * @param chain The authentication chain to add.
     */
    public void addChain(final AuthenticationChain chain) {
        chains = ArrayUtils.addAll(chains, chain);
    }

    /**

  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>

  override fun checkServerTrusted(
    chain: Array<out X509Certificate>,
    authType: String,
    socket: Socket,
  ) {
    if (socket.peerName() !in insecureHosts) {
      delegate.checkServerTrusted(chain, authType, socket)
    }
  }

  override fun checkServerTrusted(
    chain: Array<out X509Certificate>,
    authType: String,
    engine: SSLEngine,
  ) {

        chain.delete(user2);
        chain.changePassword("user3", "pass3");
        chain.load(user1);

        // Verify state tracking
        assertEquals(1, chain.updateCalls.size());
        assertEquals(1, chain.deleteCalls.size());
        assertEquals(1, chain.changePasswordCalls.size());
        assertEquals(1, chain.loadCalls.size());

        // Verify independence of operations