String message1 = "Test with suppression enabled";
        CrawlerSystemException exception1 = constructor.newInstance(message1, true, true);
        assertNotNull(exception1);
        assertEquals(message1, exception1.getMessage());
        assertNull(exception1.getCause());

        // Test with suppression disabled and writable stack trace

    }

    /**
     * Constructs a new CrawlerSystemException with the specified detail message and controls suppression and stack trace writing.
     *
     * @param message the detail message
     * @param enableSuppression whether or not suppression is enabled
     * @param writableStackTrace whether or not the stack trace should be writable
     */

        // Create empty EnumSet
        EnumSet<CrawlerStatus> emptySet = EnumSet.noneOf(CrawlerStatus.class);
        assertEquals(0, emptySet.size());

        // Create EnumSet with range
        EnumSet<CrawlerStatus> rangeSet = EnumSet.range(CrawlerStatus.INITIALIZING, CrawlerStatus.RUNNING);
        assertEquals(2, rangeSet.size());
        assertTrue(rangeSet.contains(CrawlerStatus.INITIALIZING));

        Map<String, String> childUrlRuleMap = newHashMap();
        childUrlRuleMap.put("//A", "href");
        childUrlRuleMap.put("//AREA", "href");
        childUrlRuleMap.put("//FRAME", "src");
        childUrlRuleMap.put("//IFRAME", "src");
        childUrlRuleMap.put("//IMG", "src");
        childUrlRuleMap.put("//LINK", "href");
        childUrlRuleMap.put("//SCRIPT", "src");

                        final String msg = buf.toString(Constants.UTF_8);
                        if (StringUtil.isNotBlank(msg)) {
                            if (logger.isTraceEnabled()) {
                                logger.trace(msg);
                            } else if (logger.isDebugEnabled()) {
                                logger.debug(msg);
                            } else if (logger.isWarnEnabled()) {

        Map<String, String> childUrlRuleMap = newHashMap();
        childUrlRuleMap.put("//A", "href");
        childUrlRuleMap.put("//AREA", "href");
        childUrlRuleMap.put("//FRAME", "src");
        childUrlRuleMap.put("//IFRAME", "src");
        childUrlRuleMap.put("//IMG", "src");
        childUrlRuleMap.put("//LINK", "href");
        childUrlRuleMap.put("//SCRIPT", "src");

        final Map<String, String> childUrlRuleMap = newHashMap();
        childUrlRuleMap.put("//A", "href");
        childUrlRuleMap.put("//AREA", "href");
        childUrlRuleMap.put("//FRAME", "src");
        childUrlRuleMap.put("//IFRAME", "src");
        childUrlRuleMap.put("//IMG", "src");
        childUrlRuleMap.put("//LINK", "href");
        childUrlRuleMap.put("//SCRIPT", "src");

     * suppression enabled or disabled, and writable stack trace enabled or disabled.
     *
     * @param message the detail message.
     * @param enableSuppression whether or not suppression is enabled or disabled.
     * @param writableStackTrace whether or not the stack trace should be writable.
     */

            Map<String, String> childUrlRuleMap = newHashMap();
            childUrlRuleMap.put("//A", "href");
            childUrlRuleMap.put("//AREA", "href");
            childUrlRuleMap.put("//FRAME", "src");
            childUrlRuleMap.put("//IFRAME", "src");
            childUrlRuleMap.put("//IMG", "src");
            childUrlRuleMap.put("//LINK", "href");
            childUrlRuleMap.put("//SCRIPT", "src");

     * "never" so that they can handle unexpected changes to those pages.
     */
    private String changefreq;

    /**
     * The priority of this URL relative to other URLs on your site. Valid
     * values range from 0.0 to 1.0. This value does not affect how your pages
     * are compared to pages on other sites—it only lets the search engines know
     * which pages you deem most important for the crawlers.
     *