final Date date = format.parse(str, pos);
        if (date == null) {
            return null;
        }
        final int index = pos.getIndex();
        if (index == 0) {
            return null;
        }
        if (index < str.length()) {
            return null;
        }
        return date;
    }

    /**
     * Converts a {@link Date} to a {@link Calendar}.

        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);
            }
        }

    int expectedModCount = modCount;

    NodeIterator(int index) {
      int size = size();
      checkPositionIndex(index, size);
      if (index >= (size / 2)) {
        previous = tail;
        nextIndex = size;
        while (index++ < size) {
          previous();
        }
      } else {
        next = head;
        while (index-- > 0) {
          next();
        }
      }

          @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");

          @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");

                int index = auth.indexOf(':');
                String user = index != -1 ? auth.substring(0, index) : auth;
                final String password = index != -1 ? auth.substring(index + 1) : "";
                index = user.indexOf('\\');
                if (index == -1) {
                    index = user.indexOf('/');
                }

        val index = orderBy.indexOfFirst { it.matches(ianaSuite) }
        if (index == -1) Integer.MAX_VALUE else index
      }
    for (suiteId in sortedSuites) {
      print(suiteId.name)
      for (client in clients) {
        print("\t")
        val index = client.enabled.indexOfFirst { it.matches(suiteId) }
        if (index != -1) {
          print(index + 1)
        }
      }
      println()

	for index := range disks {
		g.Go(func() error {
			if disks[index] == nil {
				return errDiskNotFound
			}
			// Pick one FileInfo for a disk at index.
			fi := files[index]
			fi.Erasure.Index = index + 1
			if fi.IsValid() {
				return disks[index].WriteMetadata(ctx, origbucket, bucket, prefix, fi)
			}
			return errFileCorrupt
		}, index)
	}

            }
            if (!id.endsWith(NDJSON_EXTENTION)) {
                final String index;
                final String filename;
                if (id.endsWith(".bulk")) {
                    index = id.substring(0, id.length() - 5);
                    filename = id;
                } else {
                    index = id;
                    filename = id + ".bulk";
                }

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;