*/
    @ValidateTypeFailure
    public Long updatedTime;

    /**
     * The version number of the data configuration for optimistic locking.
     * This field is required to prevent concurrent modification conflicts
     * by ensuring the configuration hasn't been modified by another process.
     */
    @Required
    @ValidateTypeFailure
    public Integer versionNo;

     */
    @ValidateTypeFailure
    public Long updatedTime;

    /**
     * The version number of the group for optimistic locking.
     * This field is required to prevent concurrent modification conflicts
     * by ensuring the group hasn't been modified by another process.
     */
    @Required
    @ValidateTypeFailure
    public Integer versionNo;

     */
    @ValidateTypeFailure
    public Long updatedTime;

    /**
     * The version number of the path mapping configuration for optimistic locking.
     * This field is required to prevent concurrent modification conflicts
     * by ensuring the configuration hasn't been modified by another process.
     */
    @Required
    @ValidateTypeFailure
    public Integer versionNo;

     */
    @ValidateTypeFailure
    public Long updatedTime;

    /**
     * The version number of the related content configuration for optimistic locking.
     * This field is required to prevent concurrent modification conflicts
     * by ensuring the configuration hasn't been modified by another process.
     */
    @Required
    @ValidateTypeFailure
    public Integer versionNo;

     */
    @ValidateTypeFailure
    public Long updatedTime;

    /**
     * The version number of the web authentication configuration for optimistic locking.
     * This field is required to prevent concurrent modification conflicts
     * by ensuring the configuration hasn't been modified by another process.
     */
    @Required
    @ValidateTypeFailure
    public Integer versionNo;

        @Test
        @DisplayName("Should handle concurrent access safely")
        void testConcurrentAccess() throws InterruptedException {
            // Given
            byte[] buffer1 = new byte[10];
            byte[] buffer2 = new byte[10];
            SMBUtil.writeInt2(4, buffer1, 0);
            SMBUtil.writeInt2(4, buffer2, 0);

            // When - simulate concurrent access
            Thread thread1 = new Thread(() -> {

import static org.junit.Assert.assertTrue;

import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Random;
import java.util.Set;
import java.util.concurrent.atomic.AtomicInteger;

import org.codelibs.fess.suggest.Suggester;
import org.codelibs.fess.suggest.settings.SuggestSettings;
import org.codelibs.opensearch.runner.OpenSearchRunner;
import org.junit.AfterClass;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.TimeUnit;
import java.util.stream.Stream;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;

import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.atomic.AtomicInteger;

import org.codelibs.fess.crawler.container.StandardCrawlerContainer;
import org.codelibs.fess.crawler.entity.ResponseData;

            }
        }
        return OptionalEntity.empty();
    }

    /**
     * Stores or updates a dictionary file in the ConfigSync storage.
     * This method checks for concurrent modifications by comparing timestamps
     * and uploads the file content to the ConfigSync API.
     *
     * @param dictFile the dictionary file metadata to store