These changes are reflected in the following Kubernetes enhancements:
([#625](https://github.com/kubernetes/enhancements/issues/625))

#### Additional Notable Feature Updates
- Support for go modules in Kubernetes Core.

import java.util.function.Supplier;
import java.util.regex.Pattern;

import org.apache.http.auth.UsernamePasswordCredentials;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.codelibs.core.lang.StringUtil;
import org.codelibs.fess.Constants;
import org.codelibs.fess.app.service.RequestHeaderService;
import org.codelibs.fess.app.service.WebAuthenticationService;

    Config() {
    }

    /**
     * Set the default properties of the static Properties used by <code>Config</code>. This permits
     * a different Properties object/file to be used as the source of properties for
     * use by the jCIFS library. The Properties must be set <i>before jCIFS
     * classes are accessed</i> as most jCIFS classes load properties statically once.

import java.io.File;
import java.io.IOException;
import java.io.InputStream;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.codelibs.core.beans.util.BeanUtil;
import org.codelibs.core.lang.StringUtil;
import org.codelibs.fess.Constants;
import org.codelibs.fess.annotation.Secured;
import org.codelibs.fess.app.pager.KuromojiPager;
import org.codelibs.fess.app.service.KuromojiService;

import java.io.File;
import java.util.Arrays;
import java.util.Enumeration;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.codelibs.core.io.ResourceUtil;
import org.codelibs.core.lang.StringUtil;
import org.codelibs.fess.app.web.base.login.ActionResponseCredential;
import org.codelibs.fess.app.web.base.login.FessLoginAssist.LoginCredentialResolver;

                 * lookup for FOO using BCAST should not fail because of that
                 * name cached from WINS.
                 *
                 * So, here we apply the source addresses hashCode to each name to
                 * make them specific to who resolved the name.
                 */

                srcHashCode = request.addr.hashCode();

        return "user";
    }

    // ===================================================================================
    //                                                                              Source
    //                                                                              ======
    @Override
    public Map<String, Object> toSource() {
        Map<String, Object> sourceMap = new HashMap<>();

            throw new LifecycleExecutionException(messageBuilderFactory, mojoExecution, null, cause);
        }

        if (mojoDescriptor.isOnlineRequired() && session.isOffline()) {
            if (MojoExecution.Source.CLI.equals(mojoExecution.getSource())) {
                Throwable cause = new IllegalStateException(
                        "Goal requires online mode for execution" + " but Maven is currently offline.");

    }

    /**
     * The version of this test supplied by {@link MapInterfaceTest} fails for this particular map
     * implementation, because {@code map.get()} returns a view collection that changes in the
     * course of a call to {@code remove()}. Thus, the expectation doesn't hold that {@code
     * map.remove(x)} returns the same value which {@code map.get(x)} did immediately beforehand.
     */
    @Override

import static org.mockito.Mockito.when;

import java.util.ArrayList;
import java.util.List;
import java.util.regex.Pattern;

import org.codelibs.fess.crawler.helper.MemoryDataHelper;
import org.dbflute.utflute.core.PlainTestCase;
import org.mockito.InjectMocks;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;

/**
 * Test class for {@link UrlFilterServiceImpl}.
 */