protected interface ContentWriter {
        /**
         * Accepts a writer.
         * @param writer A writer.
         * @throws IOException if an I/O error occurs.
         * @throws TikaException if a Tika exception occurs.
         * @throws SAXException if a SAX exception occurs.
         */
        void accept(Writer writer) throws IOException, TikaException, SAXException;
    }

    /**

```java
SuggestResponse response = suggester.suggest()
    .setQuery("search term")
    .setSize(10)                           // max results
    .setTags(new String[]{"category"})      // filter by tags
    .setRoles(new String[]{"user"})         // filter by roles  
    .setLanguages(new String[]{"en", "ja"}) // language preference
    .setFields(new String[]{"title"})       // search specific fields
    .execute()
    .getResponse();
```

 * <ol>
 *   <li>Initialization: Sets up the crawler context and initializes the URL filter.</li>
 *   <li>Thread Creation: Creates a group of crawler threads to perform the actual crawling.</li>
 *   <li>Execution: Starts the crawler threads and waits for them to complete.</li>
 *   <li>Cleanup: Deletes the crawled data and clears the URL filter.</li>
 * </ol>
 *

import org.codelibs.fess.suggest.index.contents.querylog.QueryLogReader;
import org.codelibs.fess.suggest.index.writer.SuggestIndexWriter;
import org.codelibs.fess.suggest.index.writer.SuggestWriter;
import org.codelibs.fess.suggest.index.writer.SuggestWriterResult;
import org.codelibs.fess.suggest.normalizer.Normalizer;
import org.codelibs.fess.suggest.settings.SuggestSettings;

 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.crawler.filter;

import org.codelibs.fess.crawler.container.StandardCrawlerContainer;
import org.codelibs.fess.crawler.filter.impl.UrlFilterImpl;
import org.codelibs.fess.crawler.helper.MemoryDataHelper;
import org.codelibs.fess.crawler.service.impl.DataServiceImpl;

    client.setConnectionTimeout(30000);
    client.setMaxConnections(100);
});

// Configure URL filtering
container.singleton("urlFilter", UrlFilterImpl.class, filter -> {
    filter.addInclude("https://example.com/.*");
    filter.addExclude(".*\\.(css|js|png|jpg|gif)$");
});

// Configure content extraction
container.singleton("tikaExtractor", TikaExtractor.class);

//tensorflow/python/util:nest_test_main_lib
//tensorflow/lite/experimental/examples/lstm:rnn_cell
//tensorflow/lite/experimental/examples/lstm:rnn_cell.py
//tensorflow/lite/experimental/examples/lstm:unidirectional_sequence_lstm_test
//tensorflow/lite/experimental/examples/lstm:unidirectional_sequence_lstm_test.py
//tensorflow/lite/python:interpreter
//tensorflow/lite/python:interpreter_test
//tensorflow/lite/python:interpreter.py

    /**
     * Test urlFilter getter and setter
     */
    public void test_urlFilter() {
        assertNull(crawlerContext.getUrlFilter());

        TestUrlFilter filter = new TestUrlFilter();
        crawlerContext.setUrlFilter(filter);
        assertSame(filter, crawlerContext.getUrlFilter());

        crawlerContext.setUrlFilter(null);
        assertNull(crawlerContext.getUrlFilter());
    }

    /**

    }

    /**
     * Adds a tag to filter by.
     * @param tag The tag.
     */
    public void addTag(final String tag) {
        tags.add(tag);
    }

    /**
     * Adds a role to filter by.
     * @param role The role.
     */
    public void addRole(final String role) {
        roles.add(role);
    }

    /**
     * Adds a field to filter by.
     * @param field The field name.

            final Thread task = new Thread(() -> {
                try {
                    stripper.writeText(doc, writer);
                    extractEmbeddedDocuments(doc, writer);
                    extractAnnotations(doc, writer);
                } catch (final Exception e) {
                    exceptionSet.add(e);
                } finally {
                    done.set(true);
                }