/**
     * The unique identifier of the mapping dictionary entry being edited.
     * This is a required field for identifying which dictionary entry to update.
     */
    @Required
    @ValidateTypeFailure
    public Long id;

    /**
     * Returns a display-friendly identifier combining the dictionary ID and entry ID.
     * This method creates a composite identifier for UI display purposes.
     *

    /**
     * The unique identifier of the synonym dictionary entry being edited.
     * This is a required field for identifying which dictionary entry to update.
     */
    @Required
    @ValidateTypeFailure
    public Long id;

    /**
     * Returns a display-friendly identifier combining the dictionary ID and entry ID.
     * This method creates a composite identifier for UI display purposes.
     *

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
    protected ObjectiveProperties newObjectiveProperties(final String resourcePath, final PropertyFilter propertyFilter) {

  public int hashCode() {
    return comparator.hashCode();
  }

  @Override
  public String toString() {
    return comparator.toString();
  }

  @GwtIncompatible @J2ktIncompatible private static final long serialVersionUID = 0;

 * This exception wraps underlying search engine errors and provides
 * meaningful error messages for troubleshooting.
 */
public class SearchEngineClientException extends FessSystemException {

    private static final long serialVersionUID = 1L;

    /**
     * Constructs a new SearchEngineClientException with the specified message and cause.
     *
     * @param message the detail message explaining the exception

    return INSTANCE;
  }

  @Override
  public String toString() {
    return "Ordering.usingToString()";
  }

  private UsingToStringOrdering() {}

  @GwtIncompatible @J2ktIncompatible private static final long serialVersionUID = 0;

/**
 * The Exception class throw by the {@link Prompter} service.
 *
 * @since 4.0.0
 */
@Experimental
public class PrompterException extends MavenException {

    @Serial
    private static final long serialVersionUID = -3505070928479515081L;

    public PrompterException(String message) {
        super(message);
    }

    /**
     * @param message the message to give
     * @param e the {@link Exception}

 * It extends CrawlerSystemException and provides constructors to create instances with a message and/or a cause.
 *
 */
public class RobotsTxtException extends CrawlerSystemException {

    private static final long serialVersionUID = 1L;

    /**
     * Constructs a new RobotsTxtException with the specified detail message and cause.
     * @param message the detail message
     * @param cause the cause of the exception
     */

        return asDocMeta().id();
    }

    public void setId(final String id) {
        asDocMeta().id(id);
    }

    public Long getVersionNo() {
        return asDocMeta().version();
    }

    public void setVersionNo(final Long version) {
        asDocMeta().version(version);
    }

    @Override
    public Integer getTimeToLive() {

                }
            }

            @Override
            public Long getAsLong(String propertyKey) {
                String value = get(propertyKey);
                if (value == null) {
                    return null;
                }
                try {
                    return Long.valueOf(value);
                } catch (NumberFormatException e) {
                    return null;