@SuppressWarnings("CatchingUnchecked") // sneaky checked exception
  private void appendUserObject(StringBuilder builder, @CheckForNull Object o) {
    // This is some basic recursion detection for when people create cycles via set/setFuture or
    // when deep chains of futures exist resulting in a StackOverflowException. We could detect

 * 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.fess.mylasta.direction;

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

import java.net.Authenticator;
import java.net.InetSocketAddress;

import org.codelibs.fess.exception.SearchQueryException;
import org.codelibs.fess.helper.DocumentHelper;
import org.codelibs.fess.helper.QueryHelper;
import org.codelibs.fess.helper.SystemHelper;
import org.codelibs.fess.mylasta.direction.FessConfig;
import org.codelibs.fess.query.QueryFieldConfig;
import org.codelibs.fess.util.BooleanFunction;
import org.codelibs.fess.util.ComponentUtil;
import org.codelibs.fess.util.DocMap;

import org.codelibs.fess.helper.SearchHelper;
import org.codelibs.fess.helper.SuggestHelper;
import org.codelibs.fess.helper.SystemHelper;
import org.codelibs.fess.helper.UserInfoHelper;
import org.codelibs.fess.mylasta.direction.FessConfig;
import org.codelibs.fess.suggest.entity.SuggestItem;
import org.codelibs.fess.suggest.request.suggest.SuggestRequestBuilder;
import org.codelibs.fess.suggest.request.suggest.SuggestResponse;

import org.codelibs.fess.exception.LdapConfigurationException;
import org.codelibs.fess.exception.LdapOperationException;
import org.codelibs.fess.helper.SystemHelper;
import org.codelibs.fess.mylasta.direction.FessConfig;
import org.codelibs.fess.util.ComponentUtil;
import org.codelibs.fess.util.OptionalUtil;
import org.dbflute.optional.OptionalEntity;
import org.dbflute.util.DfTypeUtil;

public class LdapManager {