return new ImmutableSortedMap<>(ImmutableSortedSet.emptySet(comparator), ImmutableList.of());
    }
  }

  /**
   * Returns the empty sorted map.
   *
   * <p><b>Performance note:</b> the instance returned is a singleton.
   */
  @SuppressWarnings("unchecked")
  // unsafe, comparator() returns a comparator on the specified type
  // TODO(kevinb): evaluate whether or not of().comparator() should return null

import java.util.Date;
import java.util.List;

import org.codelibs.core.io.CloseableUtil;
import org.codelibs.core.lang.StringUtil;
import org.codelibs.curl.CurlResponse;
import org.codelibs.fess.Constants;
import org.codelibs.fess.dict.DictionaryException;
import org.codelibs.fess.dict.DictionaryFile;
import org.codelibs.fess.util.ComponentUtil;
import org.dbflute.optional.OptionalEntity;

/**

        dt_field: safe_datetime

    instance = MyDict(dt_field=safe_datetime.now())

    encoded_instance = jsonable_encoder(
        instance, custom_encoder={safe_datetime: lambda o: o.strftime("%H:%M:%S")}
    )
    assert encoded_instance["dt_field"] == instance["dt_field"].strftime("%H:%M:%S")

    encoded_instance = jsonable_encoder(
        instance, custom_encoder={datetime: lambda o: o.strftime("%H:%M:%S")}

   * object that equals a set member, but isn't the same instance. This behavior is similar to the
   * way {@code IdentityHashMap} handles key lookups.
   *
   * @since 8.0
   */
  public static <E extends @Nullable Object> Set<E> newIdentityHashSet() {
    return Collections.newSetFromMap(Maps.newIdentityHashMap());
  }

  /**
   * Creates an empty {@code CopyOnWriteArraySet} instance.
   *

 * </p>
 *
 * <pre>
 * copyBeanToMap(srcBean, destMap);
 * copyMapToBean(srcMap, destBean);
 * </pre>
 * <p>
 * You can also create a new instance of the destination JavaBean or {@link Map} and copy to it.
 * </p>
 *
 * <pre>
 * DestBean destBean = copyBeanToNewBean(srcBean, DestBean.class);
 * DestBean destBean = copyMapToNewBean(srcMap, DestBean.class);

    }

    /**
     * Deletes a boost document rule.
     * @param boostDocumentRule The boost document rule to delete.
     */
    public void delete(final BoostDocumentRule boostDocumentRule) {

        boostDocumentRuleBhv.delete(boostDocumentRule, op -> op.setRefreshPolicy(Constants.TRUE));

    }

    /**

 */
package org.codelibs.fess.app.service;

import java.util.Collection;
import java.util.List;

import org.codelibs.core.beans.util.BeanUtil;
import org.codelibs.core.lang.StringUtil;
import org.codelibs.fess.Constants;
import org.codelibs.fess.app.pager.PathMapPager;
import org.codelibs.fess.mylasta.direction.FessConfig;
import org.codelibs.fess.opensearch.config.cbean.PathMappingCB;

 * @param coreExtensions The configured core extensions, is never {@code null}. Contents of list is guaranteed to be unique by GA.
 *
 * @see Constants#MAVEN_PROJECT_EXTENSIONS
 * @see Constants#MAVEN_USER_EXTENSIONS
 * @see Constants#MAVEN_INSTALLATION_EXTENSIONS
 */
@Experimental
public record CoreExtensions(Path source, List<CoreExtension> coreExtensions) {

        itemList.add(createItem(ComponentUtil.getMessageManager().getMessage(locale, "labels.file_auth_scheme_samba"), Constants.SAMBA));
        itemList.add(createItem(ComponentUtil.getMessageManager().getMessage(locale, "labels.file_auth_scheme_ftp"), Constants.FTP));
        RenderDataUtil.register(data, "protocolSchemeItems", itemList);
    }

    /**

    private TimeoutManager() {
    }

    /**
     * Returns the instance for the singleton.
     *
     * @return the instance for the singleton
     */
    public static TimeoutManager getInstance() {
        return instance;
    }

    /**
     * Starts the process.
     */
    public synchronized void start() {
        if (thread == null) {