*
     * @param item the character mapping item to update
     */
    @Override
    public synchronized void update(final CharMappingItem item) {
        try (MappingUpdater updater = new MappingUpdater(item)) {
            reload(updater);
        }
    }

    /**
     * Deletes a character mapping item from the dictionary file.
     *

            final LabelTypeItem item = new LabelTypeItem();
            item.setLabel(labelType.getName());
            item.setValue(labelType.getValue());
            item.setPermissions(labelType.getPermissions());
            item.setVirtualHost(labelType.getVirtualHost());
            item.setLocale(labelType.getLocale());
            itemList.add(item);
        }
        labelTypeItemList = itemList;
    }

                final StorageItem item = new StorageItem(name, prefix, isDirectory, isDirectory ? 0 : blob.getSize(),
                        isDirectory ? null : lastModified, encodeId(blobName));

                if (isDirectory) {
                    items.add(item);
                } else {
                    fileItems.add(item);
                }

                if (items.size() + fileItems.size() >= maxItems) {

            final List<StorageItem> items = client.listObjects(prefix, fessConfig.getStorageMaxItemsInPageAsInteger());

            for (final StorageItem item : items) {
                final Map<String, Object> map = new HashMap<>();
                map.put("id", item.getEncodedId());
                map.put("path", item.getPath());
                map.put("name", item.getName());

            }
            item = newItem;
        }

        /**
         * Writes a stemmer override item to the temporary file.
         * If the item is being updated, it writes the new version.
         *
         * @param oldItem The original item from the dictionary.
         * @return The written item, or null if the item was deleted.

        }
    }

    @Override
    public List<StorageItem> listObjects(final String prefix, final int maxItems) {
        final List<StorageItem> items = new ArrayList<>();

        try {
            final ListObjectsV2Request.Builder requestBuilder =
                    ListObjectsV2Request.builder().bucket(bucket).delimiter("/").maxKeys(maxItems);

    /**
     * Lists objects in storage with the given prefix.
     *
     * @param prefix the path prefix to list objects under (null or empty for root)
     * @param maxItems maximum number of items to return
     * @return list of storage items
     */
    List<StorageItem> listObjects(String prefix, int maxItems);

    /**
     * Gets tags/metadata for an object.
     *
     * @param objectName the name/path of the object

    private List<String> getDayItems() {
        final List<String> items = new ArrayList<>();
        for (int i = 0; i < 32; i++) {
            items.add(Integer.toString(i));
        }
        for (int i = 40; i < 370; i += 10) {
            items.add(Integer.toString(i));
        }
        items.add(Integer.toString(365));
        return items;
    }

    /**
     * Creates a new StorageItem instance.
     *
     * @param name the name of the item
     * @param path the path of the item
     * @param directory true if this item is a directory
     * @param size the size of the item in bytes
     * @param lastModified the last modified timestamp
     * @param encodedId the base64-encoded ID of the item
     */

            return StringUtil.EMPTY;
        }
        String item = list.get(index).trim();
        if (StringUtil.isBlank(item)) {
            return StringUtil.EMPTY;
        }
        if (item.length() > 1 && item.charAt(0) == '"' && item.charAt(item.length() - 1) == '"') {
            item = item.substring(1, item.length() - 1);
        }
        return item;
    }