import com.google.common.util.concurrent.UncheckedExecutionException;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * {@link LoadingCache} tests for caches with a maximum size of zero.
 *
 * @author mike nonemacher
 */
@NullUnmarked
public class NullCacheTest extends TestCase {
  QueuingRemovalListener<Object, Object> listener;

  @Override

import com.google.common.util.concurrent.UncheckedExecutionException;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * {@link LoadingCache} tests for caches with a maximum size of zero.
 *
 * @author mike nonemacher
 */
@NullUnmarked
public class NullCacheTest extends TestCase {
  QueuingRemovalListener<Object, Object> listener;

  @Override

import org.lastaflute.web.util.LaServletContextUtil;
import org.opensearch.common.joda.Joda;

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

import jakarta.servlet.http.HttpServletRequest;

/**
 * Utility class providing static functions for Fess JSP/JSTL expressions and tag libraries.

import com.fasterxml.jackson.databind.ObjectMapper;
import com.google.common.base.CaseFormat;
import com.google.common.cache.CacheBuilder;
import com.google.common.cache.CacheLoader;
import com.google.common.cache.LoadingCache;

import jakarta.annotation.PostConstruct;

/**
 * Helper class for managing search logs.
 */
public class SearchLogHelper {
    private static final Logger logger = LogManager.getLogger(SearchLogHelper.class);

import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.dataformat.yaml.YAMLMapper;
import com.google.common.cache.CacheBuilder;
import com.google.common.cache.CacheLoader;
import com.google.common.cache.LoadingCache;

/**
 * Helper class for managing Fess plugins and artifacts.
 * This class provides functionality to discover, install, and manage various types of plugins

import org.lastaflute.web.validation.ActionValidator;
import org.opensearch.monitor.os.OsProbe;

import com.google.common.cache.CacheBuilder;
import com.google.common.cache.CacheLoader;
import com.google.common.cache.LoadingCache;
import com.ibm.icu.util.ULocale;

import jakarta.annotation.PostConstruct;
import jakarta.annotation.PreDestroy;

/**
 * Helper class for system-level operations and utilities.