String DEFAULT_LABEL_VALUES = "defaultLabelValues";

    String VIRTUAL_HOST_VALUES = "virtualHostValues";

    String QUERY_LANGUAGE_MAPPING = "queryLanguageMapping";

    String CRAWLER_METADATA_NAME_MAPPING = "crawlerMetadataNameMapping";

    String CRAWLER_METADATA_CONTENT_EXCLUDES = "crawlerMetadataContentExcludes";

    Map<String, Object> propMap = new ConcurrentHashMap<>();

    //                                                                       =============
    @Override
    public String asTableDbName() {
        return "path_mapping";
    }

    @Override
    public String xgetAliasName() {
        return "path_mapping";
    }

    // ===================================================================================

    implements NavigableMap<K, V> {
  /**
   * Returns a {@link Collector} that accumulates elements into an {@code ImmutableSortedMap} whose
   * keys and values are the result of applying the provided mapping functions to the input
   * elements. The generated map is sorted by the specified comparator.
   *
   * <p>If the mapped keys contain duplicates (according to the specified comparator), an {@code

                if (putMappingResponse.isAcknowledged()) {
                    logger.info("Created {}/{} mapping.", indexName, docType);
                } else {
                    logger.warn("Failed to create {}/{} mapping.", indexName, docType);
                }

    implements NavigableMap<K, V> {
  /**
   * Returns a {@link Collector} that accumulates elements into an {@code ImmutableSortedMap} whose
   * keys and values are the result of applying the provided mapping functions to the input
   * elements. The generated map is sorted by the specified comparator.
   *
   * <p>If the mapped keys contain duplicates (according to the specified comparator), an {@code

   * entry returned by the iterator), the results of the iteration are undefined.
   *
   * <p>The multimap supports mapping removal, which removes the corresponding mapping from the map.
   * It does not support any operations which might add mappings, such as {@code put}, {@code
   * putAll} or {@code replaceValues}.
   *

  }

  private TypeToken<?> resolveSupertype(Type type) {
    TypeToken<?> supertype = of(getCovariantTypeResolver().resolveType(type));
    // super types' type mapping is a subset of type mapping of this type.
    supertype.covariantTypeResolver = covariantTypeResolver;
    supertype.invariantTypeResolver = invariantTypeResolver;
    return supertype;
  }

  /**