/** Type identifier for character mapping dictionaries. */
    private static final String MAPPING = "mapping";

    /** List of character mapping items loaded from the mapping file. */
    List<CharMappingItem> mappingItemList;

    /**
     * Constructs a new CharMappingFile instance.
     *
     * @param id the unique identifier for this mapping file

                        if (values == null || values.length == 0 || StringUtil.isEmpty(values[0])) {
                            if (logger.isDebugEnabled()) {
                                logger.debug("Required parameter '{}' is missing or empty. Skip storing search parameters.", name);
                            }
                            return true;
                        }
                        return false;
                    }))) {