* It extends the RuntimeException class and provides constructors for creating exceptions with a message, a cause, or both.
 * It also provides a protected constructor that allows to specify whether or not suppression is enabled or stack trace is writable.
 */
public class CrawlerSystemException extends RuntimeException {

    private static final long serialVersionUID = 1L;

    /**

 * </p>
 * <p>
 * The class supports various XPath result types, including BOOLEAN, NUMBER, STRING, NODESET, and NODE.
 * It also provides options to trim whitespace from extracted values and to specify the character encoding for the output.
 * </p>
 * <p>
 * The {@link #getData(AccessResultData)} method allows retrieving the transformed data as a String (XML content),
 * a Map, or an instance of a specified class.
 * </p>

/**
 * <p>
 * FileTransformer stores the content of a crawled resource as a file on the file system.
 * It extends HtmlTransformer and provides functionality to:
 * </p>
 * <ul>
 *     <li>Specify a base directory for storing files.</li>
 *     <li>Generate file paths from URLs, replacing special characters.</li>
 *     <li>Handle duplicated file paths by appending a counter.</li>