* applies the corresponding regular expressions.
 * </p>
 *
 * <p>
 * Example usage:
 * </p>
 *
 * <pre>
 * {@code
 * RegexRule rule = new RegexRule();
 * rule.addRule("url", "https://example.com/.*");
 * rule.addRule("contentType", "text/html");
 * rule.setAllRequired(true); // Both URL and content type must match
 *

import org.codelibs.fess.crawler.exception.CrawlingAccessException;
import org.codelibs.fess.crawler.helper.SitemapsHelper;

/**
 * SitemapsRule is a rule implementation that extends RegexRule to determine if a given response data
 * represents a valid sitemap. It uses a SitemapsHelper to validate the response body as an InputStream.

                    processor.setSuccessfulHttpCodes(new int[] { 200 });
                    processor.setNotModifiedHttpCodes(new int[] { 304 });
                })//
                .<RegexRule> singleton("fileRule", RegexRule.class, rule -> {
                    rule.setRuleId("fileRule");
                    rule.setDefaultRule(true);
                    rule.setResponseProcessor(container.getComponent("defaultResponseProcessor"));