* <li>{@link #createId(String, Object)}: Creates a unique ID for a key-value pair using Base64 encoding.</li>
 * <li>{@link #getFromArrayIndex(String, String, String)}: Retrieves an array of maps from the index based on the key.</li>
 * <li>{@link #addToArrayIndex(String, String, String, Map)}: Adds a map to the array index.</li>

// Bean copying with flexible options
BeanUtil.copyBeanToBean(source, destination);
BeanUtil.copyBeanToBean(source, destination, options -> 
    options.exclude("password", "internalId"));

// Convert between beans and maps
Map<String, Object> map = BeanUtil.copyBeanToNewMap(bean);
MyBean newBean = BeanUtil.copyMapToNewBean(map, MyBean.class);
```

### Type Conversion
```java
import org.codelibs.core.convert.*;

 * <code>WriteFile</code>, and <code>CloseFile</code> A byte-type pipe can
 * be opened, written to, read from and closed using the standard Win32
 * file operations.
 * </ul>
 *
 * <p>
 * The jCIFS API maps all of these operations into the standard Java
 * <code>XxxputStream</code> interface. A special <code>PIPE_TYPE</code>
 * flags is necessary to distinguish which type of Named Pipe behavior
 * is desired.
 *

import jakarta.servlet.http.HttpServletRequest;

/**
 * Utility class for document data manipulation and type conversion.
 * This class provides static methods for extracting typed values from document maps,
 * URL encoding, and other document-related operations. It's designed as a final
 * utility class with only static methods.
 *
 */
public final class DocumentUtil {

    /**

     */
    String getServer();

    /**
     * If the path of this <code>SmbFile</code> falls within a DFS volume,
     * this method will return the referral path to which it maps. Otherwise
     * <code>null</code> is returned.
     *
     * @return URL to the DFS volume
     */
    String getDfsPath();

    /**

     */
    public FessCrawlerThread() {
        super();
    }

    private static final Logger logger = LogManager.getLogger(FessCrawlerThread.class);

    /** Configuration key for crawler clients used in parameter maps */
    protected static final String CRAWLER_CLIENTS = "crawlerClients";

    /** HTTP status code for Not Found */
    private static final int HTTP_STATUS_NOT_FOUND = 404;

    /** HTTP status code for OK */

            // Optimization: Use larger block sizes for better performance
            final int optimizedBlockSize = Math.min(blockSize * 2, 64 * 1024); // Cap at 64KB for memory efficiency
            final int effectiveBlockSize = Math.max(blockSize, optimizedBlockSize);

            SmbComReadAndXResponse response = null;
            if (!th.isSMB2()) {

        }

        DfsReferralDataInternal dr = null;
        final long now = System.currentTimeMillis();
        synchronized (this.domainsLock) {
            /*
             * domains that can contain DFS points to maps of roots for each
             */
            final Map<String, Map<String, CacheEntry<DfsReferralDataInternal>>> domains = getTrustedDomains(tf);
            if (domains != null) {
                if (log.isTraceEnabled()) {

            } finally {
                queryLogReader.close();
            }
        });
        return deferred.promise();
    }

    /**
     * Indexes documents from an array of maps.
     * @param documents The documents to index.
     * @return The SuggestIndexResponse.
     */
    public SuggestIndexResponse indexFromDocument(final Map<String, Object>[] documents) {

     *
     * @param queryId the unique identifier for the search query
     * @param documentItems the list of document maps containing search results
     */
    public void storeQueryId(final String queryId, final List<Map<String, Object>> documentItems) {