//                                                                              Index
    //                                                                      ==============
    /**
     * Show the index page.
     * @return The HTML response.
     */
    @Execute
    @Secured({ ROLE })
    public HtmlResponse index() {
        searchEngineApiManager.saveToken();

import org.codelibs.analysis.ja.StopTokenPrefixFilter;
import org.opensearch.common.settings.Settings;
import org.opensearch.env.Environment;
import org.opensearch.index.IndexSettings;
import org.opensearch.index.analysis.AbstractTokenFilterFactory;
import org.opensearch.index.analysis.Analysis;

public class StopTokenPrefixFilterFactory extends AbstractTokenFilterFactory {

    private final String[] stopwords;

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;

	MOVWU	(R5)(R4.UXTW<<3), R10                            // ERROR "invalid index shift amount"
	MOVWU	(R5)(R4<<1), R10                                 // ERROR "invalid index shift amount"
	MOVB	(R5)(R4.SXTW<<5), R10                            // ERROR "invalid index shift amount"
	MOVH	R5, (R6)(R2<<3)                                  // ERROR "invalid index shift amount"

        ruleList.add(rule);
    }

    /**
     * Adds a rule at the specified position in the rule list.
     * @param index the position to insert the rule
     * @param rule the rule to add
     */
    @Override
    public void addRule(final int index, final Rule rule) {
        ruleList.add(index, rule);
    }

    /*
     * (non-Javadoc)
     *
     * @see

import org.codelibs.fess.opensearch.config.exentity.CrawlingConfig.ConfigName;
import org.codelibs.fess.util.ComponentUtil;
import org.opensearch.index.query.QueryBuilders;
import org.opensearch.index.query.functionscore.FunctionScoreQueryBuilder;
import org.opensearch.index.query.functionscore.RandomScoreFunctionBuilder;
import org.opensearch.search.sort.SortBuilders;
import org.opensearch.search.sort.SortOrder;

/**

    }

    /**
     * Deletes documents from the specified index based on the given query.
     *
     * @param client the OpenSearch client to use for executing the query and delete operations
     * @param settings the settings for the suggest feature, including timeouts and scroll settings
     * @param index the name of the index from which documents should be deleted

  @Override
  protected final int nextEscapeIndex(CharSequence csq, int index, int end) {
    while (index < end) {
      char c = csq.charAt(index);
      if ((c < replacementsLength && replacements[c] != null)
          || c > safeMaxChar
          || c < safeMinChar) {
        break;
      }
      index++;
    }
    return index;
  }

  /**

        int block;
        int i = 0;
        int index = 0;
        while (i < length) {
            block = (ALPHABET.indexOf(string.charAt(i++)) & 0xff) << 18 | (ALPHABET.indexOf(string.charAt(i++)) & 0xff) << 12
                    | (ALPHABET.indexOf(string.charAt(i++)) & 0xff) << 6 | ALPHABET.indexOf(string.charAt(i++)) & 0xff;
            buffer[index] = (byte) (block >>> 16);
            index++;
            if (index < size) {

				}
				// index is negative means is pointer
				if field.FieldType.Kind() == reflect.Struct {
					ef.StructField.Index = append([]int{fieldStruct.Index[0]}, ef.StructField.Index...)
				} else {
					ef.StructField.Index = append([]int{-fieldStruct.Index[0] - 1}, ef.StructField.Index...)
				}