try (MappingUpdater updater = new MappingUpdater(item)) {
            reload(updater);
        }
    }

    /**
     * Reloads the character mapping items from the dictionary file.
     *
     * @param updater the mapping updater to use for writing changes, or null for read-only reload
     */
    protected void reload(final MappingUpdater updater) {

    }

    public void test_update() {
        // Load data first
        protwordsFile.reload(null);

        // Get an existing item
        ProtwordsItem item = protwordsFile.get(1).get();
        item.setNewInput("updatedWord");

        // Update the item
        protwordsFile.update(item);

        // Verify the update
        protwordsFile.reload(null);

    }

    // Test reload with InputStream
    public void test_reload_withComments() {
        String content = "# This is a comment\n" + "word1\n" + "\n" + // empty line
                "word2\n" + "# Another comment\n" + "word3\n";

        InputStream is = new ByteArrayInputStream(content.getBytes(StandardCharsets.UTF_8));
        stopwordsFile.reload(null, is);

            reload(updater);
        }
    }

    /**
     * Reloads the stopwords dictionary from its source file.
     *
     * @param updater An optional updater to apply changes during reload.
     * @throws DictionaryException if the dictionary file cannot be read.
     */
    protected void reload(final StopwordsUpdater updater) {

            reload(updater);
        }
    }

    /**
     * Reloads the dictionary file with the specified updater.
     * @param updater the updater to use for processing items
     */
    protected void reload(final ProtwordsUpdater updater) {
        try (CurlResponse curlResponse = dictionaryManager.getContentResponse(this)) {
            reload(updater, curlResponse.getContentAsStream());

            reload(updater);
        }
    }

    /**
     * Reloads the stemmer override dictionary from its source file.
     *
     * @param updater An optional updater to apply changes during reload.
     * @throws DictionaryException if the dictionary file cannot be read.
     */
    protected void reload(final StemmerOverrideUpdater updater) {

            reload(updater);
        }
    }

    /**
     * Reloads the dictionary file.
     *
     * @param updater The updater.
     */
    protected void reload(final KuromojiUpdater updater) {
        try (CurlResponse curlResponse = dictionaryManager.getContentResponse(this)) {
            reload(updater, curlResponse.getContentAsStream());

            reload(updater);
        }
    }

    /**
     * Reloads the synonym dictionary from its source file.
     *
     * @param updater An optional updater to apply changes during reload.
     * @throws DictionaryException if the dictionary file cannot be read.
     */
    protected void reload(final SynonymUpdater updater) {

        }
    }

    // Test reload with IOException
    public void test_reload_ioException() throws Exception {
        // This test verifies error handling during reload
        // Since we can't easily mock the IOException, we'll test with invalid data
        writeTestFile("invalid => "); // Invalid format

        try {
            charMappingFile.reload(null);

        final DynamicProperties systemProperties = ComponentUtil.getSystemProperties();

        if (StringUtil.isNotBlank(options.propertiesPath)) {
            systemProperties.reload(options.propertiesPath);
        } else {
            try {
                final File propFile = ComponentUtil.getSystemHelper().createTempFile("suggest_", ".properties");