*
 * <p>The class is thread-safe due to the use of {@code synchronized} keyword on methods that
 * modify the internal data structures. The internal maps are also declared as {@code volatile}
 * to ensure visibility of changes across threads.
 *
 * <p>The class also provides methods to manage URL patterns for inclusion and exclusion, which
 * are stored as {@code Pattern} objects.
 */

            assertNotNull(e.getCause());
            assertTrue(e.getCause() instanceof IllegalArgumentException);
        }
    }

    /**
     * Test exception in method that declares throws
     */
    public void test_exceptionInMethod() {
        try {
            methodThatThrowsException();
            fail("Should have thrown CrawlerSystemException");

    <_comment>HyperText Markup Language</_comment>
    <acronym>HTML</acronym>
    <tika:uti>public.html</tika:uti>
     <!-- TIKA-327: if you encounter tags in the HTML
          with no declared namespace, it's not XHTML, it's just
          bad HTML, unfortunately.
     -->
    <root-XML localName="html"/>
    <root-XML localName="HTML"/>
    <root-XML localName="link"/>