private val connectionUser: ConnectionUser,
  private val fastFallback: Boolean,
) {
  // State for negotiating the next proxy to use.
  private var proxies = emptyList<Proxy>()
  private var nextProxyIndex: Int = 0

  // State for negotiating the next socket address to use.
  private var inetSocketAddresses = emptyList<InetSocketAddress>()

  // State for negotiating failed routes
  private val postponedRoutes = mutableListOf<Route>()

              }

            // A task ran successfully. Update the execution state and take the next task.
            task = withLock {
              afterRun(task, delayNanos, true)
              awaitTaskToRun()
            } ?: return
          }
        } catch (thrown: Throwable) {
          // A task failed. Update execution state and re-throw the exception.
          withLock {
            afterRun(task, -1L, false)

   * result of the query. Or use {@code LoadingCache.get(K)}, which lacks the ability to refer to
   * state other than that in the key.
   *
   * <p><b>Warning:</b> as with {@link CacheLoader#load}, {@code loader} <b>must not</b> return
   * {@code null}; it may either return a non-null value or throw an exception.
   *
   * <p>No observable state associated with this cache is modified until loading completes.
   *

      };

  /**
   * Returns a builder for creating simple, fast escapers. A builder instance can be reused and each
   * escaper that is created will be a snapshot of the current builder state. Builders are not
   * thread safe.
   *
   * <p>The initial state of the builder is such that:
   *
   * <ul>
   *   <li>There are no replacement mappings
   *   <li>{@code safeMin == Character.MIN_VALUE}

    @SuppressWarnings("ThreadLocalUsage") // Each Dispatcher needs its own state.
    private final ThreadLocal<Queue<Event>> queue =
        new ThreadLocal<Queue<Event>>() {
          @Override
          protected Queue<Event> initialValue() {
            return new ArrayDeque<>();
          }
        };

    /** Per-thread dispatch state, used to avoid reentrant event dispatching. */

 *
 * <pre>
 * public class Address {
 *   private final String city;
 *   private final String state;
 *   private final String zipcode;
 *
 *   public Address(String city, String state, String zipcode) {...}
 *
 *   {@literal @Override} public boolean equals(Object obj) {...}
 *   {@literal @Override} public int hashCode() {...}
 *   ...
 * }
 * </pre>

 */
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.
 */
public class ErrorForm {

    /** Map of form fields and their validation error messages */

 *
 *  * **Canceled:** the web socket connection failed. Messages that were successfully enqueued by
 *    either peer may not have been transmitted to the other.
 *
 * Note that the state progression is independent for each peer. Arriving at a gracefully-closed
 * state indicates that a peer has sent all of its outgoing messages and received all of its
 * incoming messages. But it does not guarantee that the other peer will successfully receive all of

    super.tearDown();
  }

  public void testListenerDoesNotRunUntilTaskCompletes() throws Exception {

    // Test default state of not started.
    assertEquals(1, listenerLatch.getCount());
    assertFalse(task.isDone());
    assertFalse(task.isCancelled());

    // Start the task to put it in the RUNNING state.  Have to use a separate
    // thread because the task will block on the task latch after unblocking
    // the run latch.

    public void init() {
        createFilterChain();
    }

    /**
     * Executes query processing through the filter chain.
     *
     * @param context the query context containing search parameters and state
     * @param query the Lucene query to be processed
     * @param boost the boost factor to apply to the query
     * @return the processed OpenSearch QueryBuilder
     */