}

  @LazyInit private transient @Nullable ColumnMap columnMap;

  @Override
  public Map<C, Map<R, @Nullable V>> columnMap() {
    ColumnMap map = columnMap;
    return (map == null) ? columnMap = new ColumnMap() : map;
  }

  @WeakOuter
  private final class ColumnMap extends ArrayMap<C, Map<R, @Nullable V>> {
    private ColumnMap() {
      super(columnKeyToIndex);
    }

    @Override

    /** Map of parser features to configure the DOM parser. */
    protected Map<String, String> featureMap = new HashMap<>();

    /** Map of parser properties to configure the DOM parser. */
    protected Map<String, String> propertyMap = new HashMap<>();

    /** Map of HTML tag names to attribute names for extracting child URLs. */
    protected Map<String, String> childUrlRuleMap = new LinkedHashMap<>();

        // Default constructor
    }

    private static final Logger logger = LogManager.getLogger(QueryProcessor.class);

    /**
     * Map of query commands indexed by query class simple names.
     * Used to lookup appropriate command handlers for different query types.
     */
    protected Map<String, QueryCommand> queryCommandMap = new HashMap<>();

    /**
     * List of filters that will be applied during query processing.

    /**
     * Sets multiple settings from a map.
     * @param map The map of settings to set.
     */
    public void set(final Map<String, Object> map) {
        if (logger.isDebugEnabled()) {
            logger.debug("Set suggest settings. {} {}", settingsIndexName, map.toString());
        }
        try {
            final XContentBuilder builder = JsonXContent.contentBuilder().map(map);
            builder.flush();

  /**
   * Returns a map view that associates each key with the corresponding values in the multimap.
   * Changes to the returned map, such as element removal, will update the underlying multimap. The
   * map does not support {@code setValue()} on its entries, {@code put}, or {@code putAll}.
   *
   * <p>When passed a key that is present in the map, {@code asMap().get(Object)} has the same

    @AfterEach
    void deleteWebConfig() {
        final Map<String, Object> searchBody = new HashMap<>();
        searchBody.put("size", NUM * 2);
        final String webConfigId = getWebConfigId();
        checkMethodBase(searchBody).delete("/api/admin/webconfig/setting/" + webConfigId).then().body("response.status", equalTo(0));
    }

    @Override
    protected Map<String, Object> createTestParam(int id) {

   *     key
   * @throws NullPointerException if any key or value in {@code map} is null
   */
  public static <K, V> ImmutableBiMap<K, V> copyOf(Map<? extends K, ? extends V> map) {
    if (map instanceof ImmutableBiMap) {
      @SuppressWarnings("unchecked") // safe since map is not writable
      ImmutableBiMap<K, V> bimap = (ImmutableBiMap<K, V>) map;
      // TODO(lowasser): if we need to make a copy of a BiMap because the

    }

    /**
     * Processes a document map for web/file crawling with access result.
     * Default implementation delegates to the basic process method.
     *
     * @param target the document data to process
     * @param accessResult the access result from crawling
     * @return the processed document data
     */
    public Map<String, Object> process(final Map<String, Object> target, final AccessResult<String> accessResult) {

     * @return A list of stopwords.
     */
    public List<StopwordsItem> getStopwordsList(final String dictId, final StopwordsPager stopwordsPager) {
        return getStopwordsFile(dictId).map(file -> {
            final int pageSize = stopwordsPager.getPageSize();
            final PagingList<StopwordsItem> stopwordsList =
                    file.selectList((stopwordsPager.getCurrentPageNumber() - 1) * pageSize, pageSize);

     * @return A list of synonyms.
     */
    public List<SynonymItem> getSynonymList(final String dictId, final SynonymPager synonymPager) {
        return getSynonymFile(dictId).map(file -> {
            final int pageSize = synonymPager.getPageSize();
            final PagingList<SynonymItem> synonymList = file.selectList((synonymPager.getCurrentPageNumber() - 1) * pageSize, pageSize);