Here's a more complete example.

Use a dependency to check if the username and password are correct.

For this, use the Python standard module <a href="https://docs.python.org/3/library/secrets.html" class="external-link" target="_blank">`secrets`</a> to check the username and password.

import org.codelibs.fess.crawler.entity.ResultData;
import org.codelibs.fess.crawler.exception.CrawlerSystemException;
import org.dbflute.utflute.core.PlainTestCase;

/**
 * @author shinsuke
 *
 */
public class FileTransformerTest extends PlainTestCase {
    public FileTransformer fileTransformer;

    @Override
    protected void setUp() throws Exception {
        super.setUp();
        fileTransformer = new FileTransformer();

 * Character mapping allows for normalization and transformation of characters during text analysis.
 * This form is used in the admin interface to upload custom character mapping dictionary files.
 */
public class UploadForm {

    /**
     * The dictionary ID that identifies which character mapping dictionary configuration to update.
     * This ID corresponds to a specific character mapping dictionary instance in the system.
     */

 * Synonyms are words or phrases that should be treated as equivalent during search operations.
 * This form is used in the admin interface to upload custom synonym dictionary files.
 */
public class UploadForm {

    /**
     * The dictionary ID that identifies which synonym dictionary configuration to update.
     * This ID corresponds to a specific synonym dictionary instance in the system.
     */
    @Required

import org.dbflute.helper.jprop.ObjectiveProperties;
import org.lastaflute.core.direction.PropertyFilter;

import com.google.common.cache.Cache;
import com.google.common.cache.CacheBuilder;

public class FessConfigImpl extends FessConfig.SimpleImpl {

    private static final long serialVersionUID = 1L;

    @Override

   * necessarily indicate application-layer success: `response` may still indicate an unhappy HTTP
   * response code like 404 or 500.
   */
  @Throws(IOException::class)
  fun onResponse(
    call: Call,
    response: Response,
  )

 */
package org.codelibs.fess.opensearch.config.exentity;

import java.util.Map;
import java.util.function.Supplier;

import org.codelibs.fess.crawler.client.CrawlerClientFactory;

public class CrawlingConfigWrapper implements CrawlingConfig {

    private final CrawlingConfig crawlingConfig;

    public CrawlingConfigWrapper(final CrawlingConfig crawlingConfig) {
        this.crawlingConfig = crawlingConfig;

 */
package okhttp3.recipes;

import java.io.IOException;
import okhttp3.Credentials;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;

public final class Authenticate {
  private final OkHttpClient client;

  public Authenticate() {
    client = new OkHttpClient.Builder()
        .authenticator((route, response) -> {

import okhttp3.mockwebserver.MockWebServer;
import okhttp3.tls.HandshakeCertificates;
import okhttp3.tls.HeldCertificate;

/**
 * Create an HTTPS server with a self-signed certificate that OkHttp trusts.
 */
public class HttpsServer {
  public void run() throws Exception {
    HeldCertificate localhostCertificate = new HeldCertificate.Builder()
        .addSubjectAlternativeName("localhost")
        .build();

import java.util.List;
import org.jspecify.annotations.NullMarked;

/**
 * TODO: javadoc.
 *
 * @author Kevin Bourrillion
 */
@GwtCompatible
@NullMarked
public abstract class TestStringListGenerator implements TestListGenerator<String> {
  @Override
  public SampleElements<String> samples() {
    return new Strings();
  }

  @Override
  public List<String> create(Object... elements) {