import org.codelibs.core.lang.StringUtil;
import org.codelibs.fess.Constants;
import org.codelibs.fess.entity.QueryContext;
import org.codelibs.fess.entity.SearchRenderData;
import org.codelibs.fess.entity.SearchRequestParams;
import org.codelibs.fess.entity.SearchRequestParams.SearchRequestType;
import org.codelibs.fess.es.client.SearchEngineClient.SearchConditionBuilder;

import java.util.regex.Pattern;

import org.apache.commons.io.input.BOMInputStream;
import org.codelibs.core.lang.StringUtil;
import org.codelibs.fess.crawler.Constants;
import org.codelibs.fess.crawler.entity.RobotsTxt;
import org.codelibs.fess.crawler.entity.RobotsTxt.Directive;
import org.codelibs.fess.crawler.exception.RobotsTxtException;

/**
 * Robots.txt Specifications:
 * <ul>
 * <li><a href=

import java.util.ArrayList;
import java.util.List;
import java.util.Map;

import org.codelibs.fess.es.config.allcommon.EsAbstractConditionBean;
import org.codelibs.fess.es.config.bsentity.dbmeta.CrawlingInfoDbm;
import org.codelibs.fess.es.config.cbean.CrawlingInfoCB;
import org.codelibs.fess.es.config.cbean.ca.CrawlingInfoCA;
import org.codelibs.fess.es.config.cbean.ca.bs.BsCrawlingInfoCA;

package org.codelibs.fess.es.user.cbean.bs;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;

import org.codelibs.fess.es.user.allcommon.EsAbstractConditionBean;
import org.codelibs.fess.es.user.bsentity.dbmeta.GroupDbm;
import org.codelibs.fess.es.user.cbean.GroupCB;
import org.codelibs.fess.es.user.cbean.ca.GroupCA;
import org.codelibs.fess.es.user.cbean.ca.bs.BsGroupCA;
import org.codelibs.fess.es.user.cbean.cq.GroupCQ;

 */
package org.codelibs.fess.crawler.helper.impl;

import java.util.Set;

import org.codelibs.fess.crawler.entity.RequestData;
import org.codelibs.fess.crawler.entity.ResponseData;
import org.codelibs.fess.crawler.entity.UrlQueue;
import org.codelibs.fess.crawler.exception.CrawlingAccessException;
import org.codelibs.fess.crawler.helper.LogHelper;
import org.codelibs.fess.crawler.log.LogType;

import java.util.Map;
import java.util.regex.Pattern;
import java.util.stream.Collectors;

import org.codelibs.core.misc.Pair;
import org.codelibs.fess.es.user.bsbhv.BsGroupBhv;
import org.codelibs.fess.es.user.exentity.Group;
import org.codelibs.fess.util.ComponentUtil;
import org.dbflute.exception.IllegalBehaviorStateException;
import org.dbflute.util.DfTypeUtil;

/**
 * @author FreeGen
 */

	HostProbeSNATIPV6 = netip.MustParseAddr(env.RegisterStringVar("HOST_PROBE_SNAT_IPV6", DefaultHostProbeSNATIPV6, "").Get())
)

const (
	// to reliably identify kubelet healthprobes from inside the pod (versus standard kube-proxy traffic,
	// since the IP is normally the same), we SNAT identified host probes in the host netns to a fixed
	// APIPA/"link-local" IP.
	//

```

////

## Recap

Use multiple Pydantic models and inherit freely for each case.

import java.util.stream.Collectors;

import org.codelibs.core.lang.StringUtil;
import org.codelibs.fess.crawler.Constants;
import org.codelibs.fess.crawler.entity.AccessResult;
import org.codelibs.fess.crawler.entity.OpenSearchUrlQueue;
import org.codelibs.fess.crawler.entity.UrlQueue;
import org.codelibs.fess.crawler.exception.OpenSearchAccessException;
import org.codelibs.fess.crawler.service.UrlQueueService;

    String UNABLE_TO_FIND_ROOT_PROJECT_MESSAGE = "Unable to find the root directory. "
            + "Create a .mvn directory in the root directory or add the root=\"true\""
            + " attribute on the root project's model to identify it.";

    @Nonnull
    default Path findMandatoryRoot(Path basedir) {
        Path rootDirectory = findRoot(basedir);
        if (rootDirectory == null) {
            throw new IllegalStateException(getNoRootMessage());