/** The key of the message: Failed to upgrade from {0}. */
    public static final String ERRORS_failed_to_upgrade_from = "{errors.failed_to_upgrade_from}";

    /** The key of the message: Failed to start re-indexing from {0} to {1}. */
    public static final String ERRORS_failed_to_reindex = "{errors.failed_to_reindex}";

    /** The key of the message: Failed to read a request file: {0} */

      }
      return true;
    }
    return false;
  }

  /**
   * Coerces an IPv6 address into an IPv4 address.
   *
   * <p>HACK: As long as applications continue to use IPv4 addresses for indexing into tables,
   * accounting, et cetera, it may be necessary to <b>coerce</b> IPv6 addresses into IPv4 addresses.
   * This method does so by hashing 64 bits of the IPv6 address into {@code 224.0.0.0/3} (64 bits

    /** The key of the message: Crawl End Time (Web/File) */
    public static final String LABELS_crawling_info_WebFsCrawlEndTime = "{labels.crawling_info_WebFsCrawlEndTime}";

    /** The key of the message: Indexing Execution Time (Web/File) */
    public static final String LABELS_crawling_info_WebFsIndexExecTime = "{labels.crawling_info_WebFsIndexExecTime}";

    /** The key of the message: Index Size (Web/File) */

  // TODO(fry): empirically optimize this
  static final int DRAIN_MAX = 16;

  // Fields

  /**
   * Mask value for indexing into segments. The upper bits of a key's hash code are used to choose
   * the segment.
   */
  final transient int segmentMask;

  /**
   * Shift value for indexing within segments. Helps prevent entries that end up in the same segment
   * from also ending up in the same bucket.
   */

index.delete.timeout=3m
# Timeout for index health checks.
index.health.timeout=10m
# Timeout for index indices operations.
index.indices.timeout=1m

# filetype

# Mapping of MIME types to filetype labels for indexing.
index.filetype=\
text/html=html\n\
application/msword=word\n\
application/vnd.openxmlformats-officedocument.wordprocessingml.document=word\n\
application/vnd.ms-excel=excel\n\

import com.google.common.io.BaseEncoding;

import jakarta.annotation.PostConstruct;
import jakarta.annotation.PreDestroy;

/**
 * Client for interacting with OpenSearch search engine.
 * Provides document indexing, searching, and administrative operations.
 */
public class SearchEngineClient implements Client {

    /**
     * Default constructor.
     */
    public SearchEngineClient() {

    assertEquals(-1, matcher.indexIn(s));
    assertEquals(-1, matcher.indexIn(s, 0));
    assertEquals(-1, matcher.indexIn(s, 1));
    assertEquals(-1, matcher.indexIn(s, s.length()));
    try {
      matcher.indexIn(s, s.length() + 1);
      fail();
    } catch (IndexOutOfBoundsException expected) {
    }
    try {
      matcher.indexIn(s, -1);
      fail();

    assertEquals(-1, matcher.indexIn(s));
    assertEquals(-1, matcher.indexIn(s, 0));
    assertEquals(-1, matcher.indexIn(s, 1));
    assertEquals(-1, matcher.indexIn(s, s.length()));
    try {
      matcher.indexIn(s, s.length() + 1);
      fail();
    } catch (IndexOutOfBoundsException expected) {
    }
    try {
      matcher.indexIn(s, -1);
      fail();

   * #matches} for each character.
   *
   * @param sequence the character sequence to examine from the beginning
   * @return an index, or {@code -1} if no character matches
   */
  public int indexIn(CharSequence sequence) {
    return indexIn(sequence, 0);
  }

  /**
   * Returns the index of the first matching BMP character in a character sequence, starting from a

     * comment: Whether to refresh the index after reindexing.
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getIndexReindexRefresh();

    /**
     * Is the property for the key 'index.reindex.refresh' true? <br>
     * The value is, e.g. false <br>
     * comment: Whether to refresh the index after reindexing.