import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.codelibs.core.io.InputStreamUtil;
import org.codelibs.core.io.SerializeUtil;
import org.codelibs.core.lang.StringUtil;
import org.codelibs.core.misc.Pair;
import org.codelibs.core.misc.ValueHolder;
import org.codelibs.core.stream.StreamUtil;
import org.codelibs.fess.Constants;
import org.codelibs.fess.crawler.builder.RequestDataBuilder;

import java.util.Set;
import java.util.stream.Collectors;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.codelibs.core.CoreLibConstants;
import org.codelibs.core.beans.util.BeanUtil;
import org.codelibs.core.lang.StringUtil;
import org.codelibs.fess.Constants;
import org.codelibs.fess.app.pager.CrawlingInfoPager;
import org.codelibs.fess.es.config.cbean.CrawlingInfoCB;

 */
package org.codelibs.fess.app.web.admin.labeltype;

import static org.codelibs.core.stream.StreamUtil.split;
import static org.codelibs.core.stream.StreamUtil.stream;

import java.util.stream.Collectors;
import java.util.stream.Stream;

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.opensearch.action.search.SearchResponse;
import org.opensearch.client.Client;
import org.opensearch.common.xcontent.json.JsonXContent;
import org.opensearch.core.action.ActionListener;
import org.opensearch.core.xcontent.XContentBuilder;
import org.opensearch.index.query.QueryBuilder;
import org.opensearch.search.SearchHit;

public final class SuggestUtil {

import javax.naming.directory.Attribute;
import javax.naming.directory.BasicAttribute;

import org.codelibs.core.exception.ClassNotFoundRuntimeException;
import org.codelibs.core.lang.StringUtil;
import org.codelibs.core.misc.Pair;
import org.codelibs.core.misc.Tuple3;
import org.codelibs.core.misc.Tuple4;
import org.codelibs.fess.Constants;
import org.codelibs.fess.helper.PermissionHelper;

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.core.collection;

import java.util.Enumeration;

/**
 * 空の {@link Enumeration}です。
 *
 * @author higa
 * @param <T>
 *            列挙する要素の型
 */
public class EmptyEnumeration<T> extends IteratorEnumeration<T> {

 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.util;

import org.codelibs.fess.Constants;

public class SystemUtil extends org.codelibs.core.lang.SystemUtil {
    private SystemUtil() {
    }

    @SuppressWarnings("deprecation")
    public static String getSearchEngineHttpAddress() {

import org.codelibs.fess.entity.QueryContext;
import org.codelibs.fess.exception.InvalidQueryException;
import org.codelibs.fess.mylasta.direction.FessConfig;
import org.codelibs.fess.util.ComponentUtil;
import org.lastaflute.core.message.UserMessages;
import org.opensearch.index.query.QueryBuilder;
import org.opensearch.index.query.QueryBuilders;
import org.opensearch.index.query.RangeQueryBuilder;

 */
package org.codelibs.fess.api;

import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.util.Locale;

import org.codelibs.core.exception.IORuntimeException;
import org.codelibs.fess.Constants;
import org.lastaflute.web.util.LaRequestUtil;
import org.lastaflute.web.util.LaResponseUtil;

import jakarta.servlet.http.HttpServletRequest;

 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.crawler;

import java.util.Set;
import java.util.concurrent.atomic.AtomicLong;

import org.codelibs.core.collection.LruHashSet;
import org.codelibs.fess.crawler.filter.UrlFilter;
import org.codelibs.fess.crawler.interval.IntervalController;
import org.codelibs.fess.crawler.rule.RuleManager;

/**
 * @author shinsuke
 *