*/
  public static class LocalManualCache<K, V> extends AbstractCache<K, V> {
    final LocalCache<K, V> localCache;

    LocalManualCache(CacheBuilder<? super K, ? super V> builder) {
      this(builder, null);
    }

    protected LocalManualCache(
        CacheBuilder<? super K, ? super V> builder, CacheLoader<? super K, V> loader) {
      this.localCache = new LocalCache<K, V>(builder, loader);
    }

   *
   * <ul>
   *   <li>consolidation of the loader logic to {@linkplain CacheBuilder#build(CacheLoader) a single
   *       authoritative location}
   *   <li>{@linkplain LoadingCache#refresh refreshing of entries}, including {@linkplain
   *       CacheBuilder#refreshAfterWrite automated refreshing}
   *   <li>{@linkplain LoadingCache#getAll bulk loading requests}, including {@linkplain

import static com.google.common.base.Preconditions.checkNotNull;

import com.google.common.annotations.VisibleForTesting;
import com.google.common.base.MoreObjects;
import com.google.common.cache.CacheBuilder;
import com.google.common.cache.CacheLoader;
import com.google.common.cache.LoadingCache;
import com.google.common.collect.HashMultimap;
import com.google.common.collect.ImmutableList;

 * the License.
 */

/**
 * {@linkplain CacheBuilder Discouraged} (in favor of <a
 * href="https://github.com/ben-manes/caffeine/wiki">Caffeine</a>) caching utilities.
 *
 * <p>The core interface used to represent caches is {@link Cache}. In-memory caches can be
 * configured and created using {@link CacheBuilder}, with cache entries being loaded by {@link

   * method is called when an existing cache entry is refreshed by {@link
   * CacheBuilder#refreshAfterWrite}, or through a call to {@link LoadingCache#refresh}.
   *
   * <p>This implementation synchronously delegates to {@link #load}. It is recommended that it be
   * overridden with an asynchronous implementation when using {@link
   * CacheBuilder#refreshAfterWrite}.
   *

import org.codelibs.fess.suggest.request.popularwords.PopularWordsRequestBuilder;
import org.codelibs.fess.util.ComponentUtil;

import com.google.common.cache.Cache;
import com.google.common.cache.CacheBuilder;

import jakarta.annotation.PostConstruct;

/**
 * Helper class for managing popular words and suggestions.
 * Provides functionality to retrieve popular words based on search parameters

    CacheBuilderFactory factory = cacheFactory();
    return Iterables.transform(
        factory.buildAllPermutations(),
        new Function<CacheBuilder<Object, Object>, LoadingCache<Object, Object>>() {
          @Override
          public LoadingCache<Object, Object> apply(CacheBuilder<Object, Object> builder) {
            return builder.build(identityLoader());
          }
        });
  }

import org.codelibs.fess.crawler.util.OpenSearchCrawlerConfig;
import org.opensearch.action.DocWriteRequest.OpType;
import org.opensearch.index.query.QueryBuilders;

import com.google.common.cache.CacheBuilder;
import com.google.common.cache.CacheLoader;
import com.google.common.cache.LoadingCache;

import jakarta.annotation.PostConstruct;

/**

package org.codelibs.fess.helper;

import java.util.concurrent.TimeUnit;

import org.codelibs.fess.mylasta.direction.FessConfig;
import org.codelibs.fess.unit.UnitFessTestCase;

import com.google.common.cache.CacheBuilder;

public class PopularWordHelperTest extends UnitFessTestCase {

    public PopularWordHelper popularWordHelper;

    @Override
    public void setUp() throws Exception {
        super.setUp();

    CacheBuilderFactory factory = factoryWithAllKeyStrengths();
    return Iterables.transform(
        factory.buildAllPermutations(),
        new Function<CacheBuilder<Object, Object>, LoadingCache<Key, String>>() {
          @Override
          public LoadingCache<Key, String> apply(CacheBuilder<Object, Object> builder) {
            return builder.build(KEY_TO_STRING_LOADER);
          }
        });
  }