* limitations under the License.
 */
package okhttp3.dnsoverhttps

import java.net.InetAddress
import java.net.UnknownHostException
import okhttp3.Dns

/**
 * Internal Bootstrap DNS implementation for handling initial connection to DNS over HTTPS server.
 *
 * Returns hardcoded results for the known host.
 */
internal class BootstrapDns(
  private val dnsHostname: String,
  private val dnsServers: List<InetAddress>,

///

With that you can connect the WebSocket and then send and receive messages:

<img src="/img/tutorial/websockets/image05.png">

## Handling disconnections and multiple clients { #handling-disconnections-and-multiple-clients }

import okhttp3.internal.interleave

/**
 * Implementation of HappyEyeballs Sorting Addresses.
 *
 * The current implementation does not address any of:
 *  - Async DNS split by IP class
 *  - Stateful handling of connectivity results
 *  - The prioritisation of addresses
 *
 * https://datatracker.ietf.org/doc/html/rfc8305#section-4
 */
internal fun reorderForHappyEyeballs(addresses: List<InetAddress>): List<InetAddress> {

 */
public class DesignForm {

    /**
     * Creates a new instance of DesignForm.
     * This constructor initializes the form for design file management
     * in the admin interface, handling upload and management of templates and CSS files.
     */
    public DesignForm() {
        // Default constructor with explicit documentation
    }

    /**

 */
package org.codelibs.fess.app.web.error;

import org.codelibs.fess.app.web.base.FessSearchAction;
import org.lastaflute.web.Execute;
import org.lastaflute.web.response.HtmlResponse;

/**
 * Action class for handling general error pages.
 * This action displays error pages when unhandled exceptions occur
 * during search operations or page navigation.
 */
public class ErrorAction extends FessSearchAction {

    /**

 */
package org.codelibs.fess.app.web.error;

import org.codelibs.fess.app.web.base.FessSearchAction;
import org.lastaflute.web.Execute;
import org.lastaflute.web.response.HtmlResponse;

/**
 * Action class for handling HTTP 500 Internal Server Error pages.
 * This action displays error pages when the server encounters
 * an unexpected condition that prevents it from fulfilling the request.
 */

            .named(parentBuilder.getName() + " [Map]")
            .suppressing(parentBuilder.getSuppressedTests())
            .suppressing(SetCreationTester.class.getMethods())
            // BiMap.entrySet() duplicate-handling behavior is too confusing for SetCreationTester
            .withSetUp(parentBuilder.getSetUp())
            .withTearDown(parentBuilder.getTearDown())
            .createTestSuite());
    /*

 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.app.web.error;

import java.util.HashMap;
import java.util.Map;

/**
 * Form class for handling error page data and search parameters.
 * This form captures the state of a search request when an error occurs,
 * allowing the error page to display relevant information and preserve search context.
 */

        }

        @Override
        public String getName() {
            return name;
        }
    }

    /**
     * Transformer that throws exceptions for testing error handling
     */
    public static class ExceptionThrowingTransformer implements Transformer {
        private final String name;
        private boolean throwInTransform = false;
        private boolean throwInGetData = false;

     *   <li>Error handling and failure logging</li>
     *   <li>Cleanup of old documents after successful crawling</li>
     * </ul>
     */
    protected static class DataCrawlingThread extends Thread {

        /** Configuration for the data store being crawled */
        private final DataConfig dataConfig;

        /** Callback for handling document indexing operations */