defaultDataMap.put(fessConfig.getIndexFieldMimetype(), mimeType);
        // title
        // content
        // cache
        // digest
        // host
        // site
        // url
        // anchor
        // content_length
        // last_modified
        // id
        // virtual_host
        defaultDataMap.put(fessConfig.getIndexFieldVirtualHost(),

    schema_: str | None = Field(default=None, alias="$schema")
    vocabulary: str | None = Field(default=None, alias="$vocabulary")
    id: str | None = Field(default=None, alias="$id")
    anchor: str | None = Field(default=None, alias="$anchor")
    dynamicAnchor: str | None = Field(default=None, alias="$dynamicAnchor")
    ref: str | None = Field(default=None, alias="$ref")
    dynamicRef: str | None = Field(default=None, alias="$dynamicRef")

        } catch (final Exception e) {
            return url;
        }
    }

    /**
     * Extracts anchor URLs from the HTML document.
     *
     * @param document the parsed HTML document
     * @param responseData the response data from crawling
     * @return list of anchor URLs found in the document
     */
    protected List<String> getAnchorList(final Document document, final ResponseData responseData) {

import org.codelibs.fess.unit.UnitFessTestCase;
import org.junit.jupiter.api.Test;

/**
 * Test class for FessCrawlerThread.
 * Tests HTTP status code constants, null handling, and anchor processing.
 */
public class FessCrawlerThreadTest extends UnitFessTestCase {

    @Test
    public void test_getClientRuleList() {
        FessCrawlerThread crawlerThread = new FessCrawlerThread();

        // created
        final Date now = systemHelper.getCurrentTime();
        putResultDataBody(dataMap, fessConfig.getIndexFieldCreated(), now);
        // TODO anchor
        putResultDataBody(dataMap, fessConfig.getIndexFieldAnchor(), StringUtil.EMPTY);
        // mimetype
        putResultDataBody(dataMap, fessConfig.getIndexFieldMimetype(), mimeType);

        return appendFileterPath(buf, escape(s));
    }

    /**
     * Escapes special regex characters in a string to create a literal pattern.
     * Handles anchor characters (^ and $) specially to preserve their regex meaning.
     *
     * @param s the string to escape
     * @return an escaped regex pattern, or empty string for comments
     */

            public String getIndexFieldSegment() {
                return "segment";
            }

            @Override
            public String getIndexFieldAnchor() {
                return "anchor";
            }

            @Override
            public String getResponseFieldContentDescription() {
                return "content_description";
            }

            @Override

        TestHttpServletRequest request = new TestHttpServletRequest();
        request.setRequestURI("/api/search?query=test");
        assertTrue(manager.matches(request));

        request.setRequestURI("/api/data#anchor");
        assertTrue(manager.matches(request));
    }

    @Test
    public void test_process_withMultipleOperations() throws IOException, ServletException {
        // Test multiple operations in process

            if (!elementName.equals("a") || !attributes.containsKey("name")) {
                return false;
            }
            Element element = document.createElement("anchor");
            String id = String.format("%s.%s", classMetaData.getClassName(), attributes.get("name"));
            element.setAttribute("id", id);
            nodes.appendChild(element);
            return true;

sharray","stroke-dashoffset","stroke-linecap","stroke-linejoin","stroke-miterlimit","stroke-opacity","stroke","stroke-width","style","surfacescale","systemlanguage","tabindex","tablevalues","targetx","targety","transform","transform-origin","text-anchor","text-decoration","text-rendering","textlength","type","u1","u2","unicode","values","viewbox","visibility","version","vert-adv-y","vert-origin-x","vert-origin-y","width","word-spacing","wrap","writing-mode","xchannelselector","ychannelselector",...