* <pre>
     * message:
     * </pre>
     * @param property The property name for the message. (NotNull)
     * @return this. (NotNull)
     */
    public FessMessages addErrorsFrontHeader(String property) {
        assertPropertyNotNull(property);
        add(property, new UserMessage(ERRORS_front_header));
        return this;
    }

    /**

    /**
     * Assert the property is not null.
     * @param property The value of the property. (NotNull)
     */
    protected void assertPropertyNotNull(String property) {
        if (property == null) {
            String msg = "The argument 'property' for message should not be null.";
            throw new IllegalArgumentException(msg);
        }

     * as a file or directory from a {@code URL} object.
     *
     * @param url
     *            The URL of the target resource
     * @throws MalformedURLException if the URL is not properly formatted
     */
    @Deprecated
    public SmbFile(final URL url) throws MalformedURLException {
        this(url, SingletonContext.getInstance()

         * end up performing IO with. If the server hosting the
         * actual files has a smaller maxBufSize this could be
         * incorrect. To handle this properly it is necessary
         * to redirect the tree to the target server first before
         * establishing buffer size. These exists() calls facilitate
         * that.
         */
        resolveDfs(null);