*/
    DISCONNECTED(0),

    /**
     * Connection establishment in progress
     */
    CONNECTING(1),

    /**
     * Authentication in progress
     */
    AUTHENTICATING(2),

    /**
     * Channel is established and ready for use
     */
    ESTABLISHED(3),

    /**
     * Channel binding in progress
     */
    BINDING(4),

    /**

          ): Request? {
            if (response.request.header("Authorization") != null) {
              return null // Give up, we've already attempted to authenticate.
            }

            println("Authenticating for response: $response")
            println("Challenges: ${response.challenges()}")
            val credential = Credentials.basic("jesse", "password1")
            return response.request
              .newBuilder()

     *            The password to use when constructing the response.
     * @param domain
     *            The domain in which the user has an account.
     * @param user
     *            The username for the authenticating user.
     * @param workstation
     *            The workstation from which authentication is
     *            taking place.
     * @param flags the flags to use for the Type-3 message

          if (response.request().header("Authorization") != null) {
            return null; // Give up, we've already attempted to authenticate.
          }

          System.out.println("Authenticating for response: " + response);
          System.out.println("Challenges: " + response.challenges());
          String credential = Credentials.basic("jesse", "password1");
          return response.request().newBuilder()

     * @param password The password to use when constructing the response.
     * @param domain The domain in which the user has an account.
     * @param user The username for the authenticating user.
     * @param workstation The workstation from which authentication is
     * taking place.
     */
    /**
     * Creates a Type-3 message in response to the given Type-2 message.
     *

     * Used when LDAP authentication is enabled.
     */
    @Size(max = 1000)
    public String ldapProviderUrl;

    /**
     * LDAP security principal for binding to the LDAP server.
     * Used for authenticating with the LDAP server.
     */
    @Size(max = 1000)
    public String ldapSecurityPrincipal;

    /**
     * LDAP admin security principal for administrative operations.

    ) = apply {
      this.heldCertificate = heldCertificate
      this.intermediates = arrayOf(*intermediates) // Defensive copy.
    }

    /**
     * Add a trusted root certificate to use when authenticating a peer. Peers must provide
     * a chain of certificates whose root is one of these.
     */
    fun addTrustedCertificate(certificate: X509Certificate) =
      apply {

              if (response.request.header("Authorization") != null) {
                return null // Give up, we've already attempted to authenticate.
              }

              println("Authenticating for response: $response")
              println("Challenges: ${response.challenges()}")
              val credential = Credentials.basic("jesse", "password1")
              return response.request.newBuilder()

## 3. Multi-Channel Architecture

### 3.1 Channel States
```java
public enum ChannelState {
    DISCONNECTED(0),     // Not connected
    CONNECTING(1),       // Connection in progress
    AUTHENTICATING(2),   // Authentication in progress
    ESTABLISHED(3),      // Ready for use
    BINDING(4),         // Channel binding in progress
    ACTIVE(5),          // Actively transferring data

search_engine.http.url=http://localhost:9201
# Path to SSL certificate authorities for secure HTTP connections.
search_engine.http.ssl.certificate_authorities=
# Username for authenticating to the search engine.
search_engine.username=
# Password for authenticating to the search engine.
search_engine.password=
# Interval (ms) for heartbeat checks to the search engine.
search_engine.heartbeat_interval=10000