import org.codelibs.fess.suggest.request.Request;
import org.opensearch.action.search.SearchRequestBuilder;
import org.opensearch.action.search.SearchResponse;
import org.opensearch.client.Client;
import org.opensearch.common.lucene.search.function.CombineFunction;
import org.opensearch.core.action.ActionListener;
import org.opensearch.index.query.BoolQueryBuilder;
import org.opensearch.index.query.QueryBuilder;

import static org.codelibs.opensearch.runner.OpenSearchRunner.newConfigs;
import static org.junit.Assert.assertEquals;

import org.codelibs.fess.suggest.Suggester;
import org.codelibs.opensearch.runner.OpenSearchRunner;
import org.junit.AfterClass;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import org.opensearch.index.IndexNotFoundException;

import java.util.List;

import org.codelibs.fess.suggest.settings.AnalyzerSettings;
import org.codelibs.fess.suggest.settings.SuggestSettings;
import org.opensearch.action.admin.indices.analyze.AnalyzeAction;
import org.opensearch.action.admin.indices.analyze.AnalyzeAction.AnalyzeToken;
import org.opensearch.client.Client;

public class AnalyzerNormalizer implements Normalizer {
    protected final Client client;

import org.opensearch.index.query.RangeQueryBuilder;
import org.opensearch.index.query.RegexpQueryBuilder;
import org.opensearch.index.query.SpanTermQueryBuilder;
import org.opensearch.index.query.TermQueryBuilder;
import org.opensearch.index.query.TermsQueryBuilder;
import org.opensearch.index.query.WildcardQueryBuilder;
import org.opensearch.index.query.functionscore.FunctionScoreQueryBuilder;

import org.opensearch.index.query.RangeQueryBuilder;
import org.opensearch.index.query.RegexpQueryBuilder;
import org.opensearch.index.query.SpanTermQueryBuilder;
import org.opensearch.index.query.TermQueryBuilder;
import org.opensearch.index.query.TermsQueryBuilder;
import org.opensearch.index.query.WildcardQueryBuilder;
import org.opensearch.index.query.functionscore.FunctionScoreQueryBuilder;

Fess está basado en [OpenSearch](https://github.com/opensearch-project/OpenSearch), pero no se requiere conocimiento o experiencia en OpenSearch. Fess proporciona una GUI de administración fácil de usar para configurar el sistema a través de tu navegador.

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

import org.codelibs.fess.Constants;
import org.opensearch.search.aggregations.Aggregations;
import org.opensearch.search.aggregations.bucket.filter.Filter;
import org.opensearch.search.aggregations.bucket.terms.Terms;

import com.google.common.io.BaseEncoding;

public class FacetResponse {

import org.opensearch.search.aggregations.bucket.range.RangeAggregationBuilder;
import org.opensearch.search.aggregations.bucket.sampler.SamplerAggregationBuilder;
import org.opensearch.search.aggregations.bucket.terms.SignificantTermsAggregationBuilder;
import org.opensearch.search.aggregations.bucket.terms.TermsAggregationBuilder;
import org.opensearch.search.aggregations.metrics.AvgAggregationBuilder;

import org.opensearch.action.index.IndexResponse;
import org.opensearch.action.search.SearchRequestBuilder;
import org.opensearch.action.search.SearchResponse;
import org.opensearch.action.update.UpdateRequestBuilder;
import org.opensearch.client.Client;
import org.opensearch.core.action.ActionListener;
import org.opensearch.index.seqno.SequenceNumbers;
import org.opensearch.search.SearchHit;
import org.opensearch.search.SearchHits;

import org.opensearch.action.index.IndexRequest;
import org.opensearch.action.support.master.AcknowledgedResponse;
import org.opensearch.client.Client;
import org.opensearch.client.IndicesAdminClient;
import org.opensearch.cluster.metadata.MappingMetadata;
import org.opensearch.common.xcontent.XContentType;
import org.opensearch.core.action.ActionListener;

public final class UpgradeUtil {