*
     * @return true if the application is EOL, false otherwise.
     */
    protected boolean isEoled() {
        return getCurrentTimeAsLong() > eolTime;
    }

    /**
     * Checks if a permission string is a user permission.
     *
     * @param permission The permission string.
     * @return true if it is a user permission, false otherwise.
     */

    /**
     * Retrieves a character mapping item by its ID.
     *
     * @param id the unique identifier of the mapping item to retrieve
     * @return an OptionalEntity containing the mapping item if found, empty otherwise
     */
    @Override
    public OptionalEntity<CharMappingItem> get(final long id) {
        if (mappingItemList == null) {
            reload(null);
        }

     *
     * @param id The document ID to update
     * @param field The field name to update
     * @param value The new value for the field
     * @return true if the update was successful, false otherwise
     */
    public boolean update(final String id, final String field, final Object value) {