/** Map of encoding names to their preferred forms */
    protected Map<String, String> encodingMap = new HashMap<>();

    /**
     * Constructs a new EncodingHelper.
     */
    public EncodingHelper() {
        // Default constructor
    }

    /**
     * Normalizes an encoding string to its preferred form.
     *
     * @param enc the encoding string to normalize

 */
package org.codelibs.fess.crawler.util;

/**
 * Utility class for character-related operations.
 */
public final class CharUtil {
    /**
     * Private constructor to prevent instantiation of this utility class.
     */
    private CharUtil() {
    }

    /**
     * Checks if the given character is a valid URL character.
     *
     * Valid URL characters include:

 * The class provides methods to add, retrieve, and manage these limits.
 */
public class ContentLengthHelper {
    /**
     * Constructs a new ContentLengthHelper.
     */
    public ContentLengthHelper() {
        // Default constructor
    }

    /** Default maximum content length set to 10MB */
    protected long defaultMaxLength = 10L * 1024L * 1024L;

 * </p>
 */
public class Handler extends URLStreamHandler {

    /**
     * Constructs a new Handler.
     */
    public Handler() {
        // Default constructor
    }

    /**
     * Opens a connection to the storage URL.
     *
     * @param u The URL to open a connection to
     * @return A new StorageURLConnection instance

 *
 * @param <T> the type of the pooled object
 */
public class CrawlerPooledObjectFactory<T> extends BasePooledObjectFactory<T> {
    /**
     * Constructs a new CrawlerPooledObjectFactory.
     */
    public CrawlerPooledObjectFactory() {
        // Default constructor
    }

    /**
     * The container that provides crawler components.
     */
    @Resource
    protected CrawlerContainer crawlerContainer;

 * for the queue, data, and filter indices used by the crawler.
 */
public class OpenSearchCrawlerConfig {
    /**
     * Constructs a new OpenSearchCrawlerConfig.
     */
    public OpenSearchCrawlerConfig() {
        // Default constructor
    }

    /**
     * Queue index name.
     */
    protected String queueIndex = ".crawler.queue";

    /**
     * Data index name.
     */

    private String type = URLSET;

    /**
     * Creates a new SitemapSet instance with default type URLSET.
     */
    public SitemapSet() {
        // Default constructor
    }

    /**
     * Adds a sitemap to this set.
     * @param sitemap the sitemap to add
     */
    public void addSitemap(final Sitemap sitemap) {
        sitemapList.add(sitemap);
    }

    /**

     */
    public OpenSearchAccessResultData() {
    }

    /**
     * Creates a new instance of OpenSearchAccessResultData from a source map.
     * This constructor is used when loading data from OpenSearch.
     *
     * @param src The source map containing the access result data fields.
     * @throws OpenSearchAccessException if the data cannot be decoded.
     */

    /** List of errors. */
    protected final List<Throwable> errors = new ArrayList<>();
    /** Time taken for the operation in milliseconds. */
    protected final long took;

    /**
     * Constructor for SuggestIndexResponse.
     * @param numberOfSuggestDocs The number of suggest documents.
     * @param numberOfInputDocs The number of input documents.
     * @param errors A list of Throwables representing errors.

    static {
        DEFAULT_CHARSET = Charset.defaultCharset();
    }

    /**
     * Private constructor to prevent instantiation of this class.
     */
    private Constants() {
    }