@Override
          protected int nextEscapeIndex(CharSequence csq, int index, int end) {
            while (index < end && !Character.isLetter(csq.charAt(index))) {
              index++;
            }
            return index;
          }
        };
    assertThat(e.escape("\0HeLLo \uD800\uDC00 WorlD!\n"))
        .isEqualTo("\0HELLO \uD800\uDC00 WORLD!\n");

        if (localeStr != null) {
            final int index = localeStr.indexOf('_');
            if (index < 0) {
                locale = new Locale(localeStr);
            } else {
                final String language = localeStr.substring(0, index);
                final String country = localeStr.substring(index + 1);
                locale = new Locale(language, country);
            }
        }

          return i - start;
        }
      }
      return -1;
    }

    @Override
    public Integer set(int index, Integer element) {
      checkElementIndex(index, size());
      int oldValue = array[start + index];
      // checkNotNull for GWT (do not optimize)
      array[start + index] = checkNotNull(element);
      return oldValue;
    }

    @Override

import org.codelibs.fess.util.ComponentUtil;
import org.opensearch.index.query.BoolQueryBuilder;
import org.opensearch.index.query.MatchAllQueryBuilder;
import org.opensearch.index.query.QueryBuilder;
import org.opensearch.index.query.QueryBuilders;
import org.opensearch.index.query.TermQueryBuilder;
import org.opensearch.index.query.functionscore.FunctionScoreQueryBuilder;
import org.opensearch.index.query.functionscore.FunctionScoreQueryBuilder.FilterFunctionBuilder;

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 KuromojiPartOfSpeechFilterFactory extends AbstractTokenFilterFactory {

    private final Set<String> stopTags = new HashSet<>();

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;

	exp := argP.Expand()

	if node == "" {
		for index, e := range exp {
			result = append(result, localDisk{index: index, path: strings.Join(e, "")})
		}
	} else {
		for index, e := range exp {
			u, err := url.Parse(strings.Join(e, ""))
			if err != nil {
				return nil, err
			}
			if strings.Contains(u.Host, node) {
				result = append(result, localDisk{index: index, path: u.Path})
			}
		}
	}

        }

        public E get(final int index) {
            return parent.get(index);
        }

        public E set(final int index, final E element) {
            return parent.set(index, element);
        }

        public void add(final int index, final E element) {
            parent.add(index, element);
        }

        public E remove(final int index) {
            return parent.remove(index);

    }

    /**
     * Creates the analyzer settings index name.
     * @param settingsIndexName The base settings index name.
     * @return The created analyzer settings index name.
     */
    protected String createAnalyzerSettingsIndexName(final String settingsIndexName) {
        return settingsIndexName + "_analyzer";
    }

    /**
     * Loads the index settings from a resource file.

  /**
   * Returns the {@code long} value present at the given index.
   *
   * @throws IndexOutOfBoundsException if {@code index} is negative, or greater than or equal to
   *     {@link #length}
   */
  public long get(int index) {
    Preconditions.checkElementIndex(index, length());
    return array[start + index];
  }

  /**
   * Returns the smallest index for which {@link #get} returns {@code target}, or {@code -1} if no