}
  }

  /**
   * {@inheritDoc}
   *
   * <p><b>Note:</b> This tests exact equality of the calculated statistics, including the floating
   * point values. Two instances are guaranteed to be considered equal if one is copied from the
   * other using {@code second = new PairedStatsAccumulator().addAll(first).snapshot()}, if both
   * were obtained by calling {@code snapshot()} on the same {@link PairedStatsAccumulator} without

 */
package org.codelibs.fess.util;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.function.Consumer;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.codelibs.core.crypto.CachedCipher;
import org.codelibs.core.misc.DynamicProperties;

import java.util.LinkedHashSet;
import java.util.NoSuchElementException;
import java.util.Objects;
import java.util.Set;
import java.util.Spliterator;
import java.util.Spliterators;
import java.util.function.Consumer;
import org.jspecify.annotations.Nullable;

/**
 * CompactHashSet is an implementation of a Set. All optional operations (adding and removing) are
 * supported. The elements can be any objects.
 *

Para o analisador de busca/índice, se [doc.json](https://github.com/codelibs/fess/blob/master/src/main/resources/fess_indices/fess/doc.json) contiver lang\_[lang] para o seu idioma, por favor, modifique o analisador para o seu idioma. Para mais detalhes sobre Analisadores, veja a [documentação do OpenSearch](https://opensearch.org/docs/latest/analyzers/search-analyzers/).

 * the operation and the desired access bits are compared to the SID
 * and access mask of each ACE. If the SID matches, the allow/deny flags
 * and access mask are considered. If the ACE is a "deny"
 * ACE and <i>any</i> of the desired access bits match bits in the access
 * mask of the ACE, the whole access check fails. If the ACE is an "allow"

 *       Future} returned by this class, the next task may still have to wait.</i>.
 *   <li>Once an {@code AsyncCallable} returns a {@code Future}, this class considers that task to
 *       be "done" as soon as <i>that</i> {@code Future} completes in any way. Notably, a {@code
 *       Future} is "completed" even if it is cancelled while its underlying work continues on a

            onSuccess();
            return result;
        } catch (Exception e) {
            if (isFailure.test(e)) {
                onFailure(e);
            } else {
                // Not considered a failure for circuit breaker purposes
                log.debug("[{}] Exception not counted as circuit breaker failure: {}", name, e.getMessage());
            }

            if (e instanceof CIFSException) {

 *       (though there are <a
 *       href="https://github.com/google/guava/wiki/LivingWithNullHostileCollections">several other
 *       approaches to this</a> that should be considered first)
 * </ul>
 *
 * <p>A common alternative to using this class is to find or create a suitable <a
 * href="http://en.wikipedia.org/wiki/Null_Object_pattern">null object</a> for the type in question.
 *

   *  * For client timeouts (408: Request Time-Out.)
   *  * For server failures (503: Service Unavailable.)
   *
   * Response header values like `Location` and `Retry-After` are also considered.
   *
   * Client configuration may be used to make follow-up decisions, such as:
   *
   *  * [OkHttpClient.followRedirects] must be true to follow redirects.

 * model to address problems that the others don't.
 *
 * ### Different URLs should be different
 *
 * Although they have different content, `java.net.URL` considers the following two URLs
 * equal, and the [equals()][Object.equals] method between them returns true:
 *
 *  * https://example.net/
 *
 *  * https://example.com/
 *