/**
         * The destroyer function to be called when the component is destroyed.
         */
        protected Consumer<T> destroyer;

        /**
         * Creates a new ComponentHolder with the specified instance and destroyer.
         * @param instance the component instance to hold
         * @param destroyer the destroyer function for cleanup (can be null)
         */

    }

    /**
     * Sets whether this response should not be followed for further crawling.
     *
     * @param value true if this response should not be followed, false otherwise
     */
    public void setNoFollow(final boolean value) {
        noFollow = value;
    }

    /**
     * Checks if this response should not be followed for further crawling.
     *

        // Test with if-else
        if (status == CrawlerStatus.INITIALIZING) {
            fail("Should not be INITIALIZING");
        } else if (status == CrawlerStatus.RUNNING) {
            // Expected
            assertTrue(true);
        } else if (status == CrawlerStatus.DONE) {
            fail("Should not be DONE");
        }

        // Test with ternary operator

 *
 * <p>
 * This exception can be thrown when there are problems accessing URLs, files, or any other resources needed for crawling.
 * It includes constructors to handle messages, causes, or both.
 * </p>
 *
 * <p>
 * The log level can be set to DEBUG, INFO, WARN, or ERROR, and the class provides methods to check if a specific log level is enabled.
 * </p>
 *

 *
 * <pre>{@code
 * UrlConvertHelper helper = new UrlConvertHelper();
 * helper.add("old-domain.com", "new-domain.com");
 * String convertedUrl = helper.convert("http://old-domain.com/path");
 * // convertedUrl will be "http://new-domain.com/path"
 * }</pre>
 */
/**
 * This class is a helper for URL conversion.
 */
public class UrlConvertHelper {

    /**
     * Creates a new UrlConvertHelper instance.
     */

    }

    /**
     * Creates a temporary file.
     * @param prefix The prefix string to be used in generating the file's name.
     * @param suffix The suffix string to be used in generating the file's name.
     * @param directory The directory in which the file is to be created, or null if the default temporary-file directory is to be used.
     * @return The created temporary file.
     */

      replaced with your own identifying information. (Don't include
      the brackets!)  The text should be enclosed in the appropriate
      comment syntax for the file format. We also recommend that a
      file or class name and description of purpose be included on the
      same "printed page" as the copyright notice for easier
      identification within third-party archives.

/**
 * RegexRule is a rule implementation that uses regular expressions to match against the ResponseData.
 * It allows defining multiple regular expressions for different fields of the ResponseData.
 * The rule can be configured to require all regular expressions to match (allRequired = true) or
 * only one of them (allRequired = false). It also supports a default rule that always matches.
 *
 * <p>

 *   It is similar to a Promise in JavaScript.
 *   It allows you to register callbacks that will be executed when the computation is complete,
 *   either successfully (resolve) or with an error (reject).
 * </p>
 *
 * <p>
 *   The Deferred class has a Promise inner class that allows you to register callbacks
 *   to be executed when the computation is complete.

     * before the object is destroyed. This method should be called to
     * ensure that all resources are properly released.
     */
    void destroy();

    /**
     * Initializes the CrawlerContainer by setting the system property
     * "java.protocol.handler.pkgs" to include the package "org.codelibs.fess.net.protocol".
     * If the property is not already set, it will be initialized with this package.