for (final UnaryOperator<String> rule : docSettingRewriteRuleList) {
            source = rule.apply(source);
        }
        return source;
    }

    /**
     * Adds a rewrite rule for document settings.
     *
     * @param rule the rewrite rule to apply to document settings
     */
    public void addDocumentSettingRewriteRule(final UnaryOperator<String> rule) {

    }

    /**
     * Tests to see if the file this <code>SmbFile</code> represents can be
     * read. Because any file, directory, or other resource can be read if it
     * exists, this method simply calls the <code>exists</code> method.
     *
     * @return <code>true</code> if the file is read-only
     * @throws SmbException if an error occurs while checking read permissions
     */