return getProperties().size();
    }

    @Override
    public void store(final OutputStream out, final String comments) throws IOException {
        getProperties().store(out, comments);
    }

    @Override
    public void store(final Writer writer, final String comments) throws IOException {
        getProperties().store(writer, comments);
    }

    @Override

    /**
     * {@link Properties#store(OutputStream, String)}の例外処理をラップします。
     *
     * <p>
     * 出力ストリームはクローズされません。
     * </p>
     *
     * @param props
     *            プロパティセット。{@literal null}であってはいけません
     * @param out
     *            出力ストリーム。{@literal null}であってはいけません
     * @param comments
     *            コメント
     */

    /** Uses an {@link ArrayList} to store value collections. */
    public ListMultimapBuilder<K0, @Nullable Object> arrayListValues() {
      return arrayListValues(DEFAULT_EXPECTED_VALUES_PER_KEY);
    }

    /**
     * Uses an {@link ArrayList} to store value collections, initialized to expect the specified
     * number of values per key.
     *

    public static final ParseField MODEL_NAME = new ParseField("model");
    public static final ParseField FEATURESET_NAME = new ParseField("featureset");
    public static final ParseField STORE_NAME = new ParseField("store");
    public static final ParseField PARAMS = new ParseField("params");
    public static final ParseField ACTIVE_FEATURES = new ParseField("active_features");

    return (List<V>) super.replaceValues(key, values);
  }

  /**
   * Stores a key-value pair in the multimap.
   *
   * @param key key to store in the multimap
   * @param value value to store in the multimap
   * @return {@code true} always
   */
  @CanIgnoreReturnValue
  @Override
  public boolean put(@ParametricNullness K key, @ParametricNullness V value) {

    return (List<V>) super.replaceValues(key, values);
  }

  /**
   * Stores a key-value pair in the multimap.
   *
   * @param key key to store in the multimap
   * @param value value to store in the multimap
   * @return {@code true} always
   */
  @CanIgnoreReturnValue
  @Override
  public boolean put(@ParametricNullness K key, @ParametricNullness V value) {

                if (logger.isDebugEnabled()) {
                    logger.debug("container was destroyed.");
                }
                return;
            }
            logger.warn("Failed to store a failure url.", e);
        }

        super.processCrawlingAccessException(objs);
        if (objs.length > 1 && objs[1] instanceof final UrlQueue<?> urlQueue) {

   */
  @Override
  public Map<K, Collection<V>> asMap() {
    return super.asMap();
  }

  /**
   * Stores a key-value pair in the multimap.
   *
   * @param key key to store in the multimap
   * @param value value to store in the multimap
   * @return {@code true} if the method increased the size of the multimap, or {@code false} if the
   *     multimap already contained the key-value pair
   */

        PropertiesUtil.store(outProperties, outputStream, "comments");
        CloseableUtil.close(outputStream);
        final Properties properties = new Properties();
        PropertiesUtil.load(properties, file);
        assertThat(properties.getProperty("a"), is("A"));
    }

    /**
     * Test method for
     * {@link org.codelibs.core.io.PropertiesUtil#store(Properties, java.io.Writer, String)}
     * .

            } else {
                try {
                    dataStore.store(dataConfig, indexUpdateCallback, initParamMap);
                } catch (final Throwable e) {
                    logger.error("Failed to process a data crawling: {}", dataConfig.getName(), e);
                    ComponentUtil.getComponent(FailureUrlService.class).store(dataConfig, e.getClass().getCanonicalName(),