import org.opensearch.index.query.BoolQueryBuilder;
import org.opensearch.index.query.QueryBuilder;
import org.opensearch.index.query.QueryBuilders;
import org.opensearch.search.SearchHit;
import org.opensearch.search.SearchHits;
import org.opensearch.search.sort.SortBuilder;

import com.google.common.hash.HashFunction;
import com.google.common.hash.Hashing;

import jakarta.annotation.Resource;

/**

import org.opensearch.action.search.GetAllPitNodesResponse;
import org.opensearch.action.search.MultiSearchRequest;
import org.opensearch.action.search.MultiSearchRequestBuilder;
import org.opensearch.action.search.MultiSearchResponse;
import org.opensearch.action.search.SearchRequest;
import org.opensearch.action.search.SearchRequestBuilder;
import org.opensearch.action.search.SearchResponse;
import org.opensearch.action.search.SearchScrollRequest;

A powerful Java library that provides intelligent search suggestion functionality built on top of OpenSearch/Elasticsearch. It offers auto-completion, query suggestions, and popular word analytics for search applications.

## Key Features

- **Smart Query Suggestions**: Real-time auto-completion and search suggestions

import org.apache.lucene.queryparser.flexible.standard.config.StandardQueryConfigHandler;
import org.apache.lucene.search.BooleanClause;
import org.apache.lucene.search.BooleanQuery;
import org.apache.lucene.search.Query;
import org.apache.lucene.search.TermQuery;
import org.codelibs.core.CoreLibConstants;
import org.codelibs.fess.suggest.converter.AnalyzerConverter;

        }

        return new String[0];
    }

    /**
     * Check if the search word is excluded.
     * @param searchWord Search word
     * @param field Field
     * @param langs Languages
     * @param analyzer Analyzer
     * @return True if the search word is excluded
     */
    protected boolean isExcludeSearchword(final String searchWord, final String field, final String[] langs,

import org.codelibs.fess.suggest.util.SuggestUtil;
import org.opensearch.action.search.SearchRequestBuilder;
import org.opensearch.action.search.SearchResponse;
import org.opensearch.index.query.QueryBuilder;
import org.opensearch.index.query.QueryBuilders;
import org.opensearch.search.SearchHit;
import org.opensearch.search.sort.SortBuilder;
import org.opensearch.transport.client.Client;

/**
 * <p>

        urlFilter.addInclude("https://example.com/search.*");
        urlFilter.addExclude(".*[?&]debug=true.*");

        assertTrue(urlFilter.match("https://example.com/search"));
        assertTrue(urlFilter.match("https://example.com/search?q=test"));
        assertTrue(urlFilter.match("https://example.com/search?q=test&page=2"));
        assertFalse(urlFilter.match("https://example.com/search?debug=true"));

import org.codelibs.fess.suggest.request.Request;
import org.opensearch.action.search.SearchRequestBuilder;
import org.opensearch.action.search.SearchResponse;
import org.opensearch.common.lucene.search.function.CombineFunction;
import org.opensearch.common.lucene.search.function.FieldValueFactorFunction;
import org.opensearch.common.lucene.search.function.FunctionScoreQuery;
import org.opensearch.core.action.ActionListener;

                HcHttpClient.constructRedirectLocation("http://localhost/", "https://example.com/newpage"));
        assertEquals("http://localhost/search?q=java", HcHttpClient.constructRedirectLocation("http://localhost/", "/search?q=java"));
        assertEquals("http://localhost/home#section1", HcHttpClient.constructRedirectLocation("http://localhost/", "/home#section1"));

import org.opensearch.action.search.SearchResponse;
import org.opensearch.action.support.WriteRequest.RefreshPolicy;
import org.opensearch.action.update.UpdateRequestBuilder;
import org.opensearch.common.unit.TimeValue;
import org.opensearch.index.query.QueryBuilders;
import org.opensearch.search.SearchHit;
import org.opensearch.search.SearchHits;
import org.opensearch.search.sort.SortBuilders;