/**
     * @return RuleInterface
     */
    protected function getPrettyUrlRule()
    {
        $rule = new Rule(function (Rule $rule) {
            $DIR_REL = $rule->getOption('dir_rel')->getValue();
            if ($DIR_REL === null) {
                if (\Core::make('app')->isRunThroughCommandLineInterface()) {
                    throw new Exception(t('When executed from the command line, you need to specify the %s option', 'dir_rel'));
                } else {
                    $DIR_REL = DIR_REL;
                }
            }
            $DIR_REL = trim((string) $DIR_REL, '/');
            if ($DIR_REL !== '') {
                $DIR_REL = '/' . $DIR_REL;
            }
            $DISPATCHER_FILENAME = DISPATCHER_FILENAME;
            return <<<EOT
<IfModule mod_rewrite.c>
\tRewriteEngine On
\tRewriteBase {$DIR_REL}/
\tRewriteCond %{REQUEST_FILENAME} !-f
\tRewriteCond %{REQUEST_FILENAME}/index.html !-f
\tRewriteCond %{REQUEST_FILENAME}/index.php !-f
\tRewriteRule . {$DISPATCHER_FILENAME} [L]
</IfModule>
EOT;
        }, function () {
            return (bool) \Config::get('concrete.seo.url_rewriting');
        }, "# -- concrete5 urls start --", "# -- concrete5 urls end --");
        $option = new RuleOption(t('concrete5 path relative to website root'), function () {
            return \Core::make('app')->isRunThroughCommandLineInterface();
        });
        $rule->addOption('dir_rel', $option);
        return $rule;
    }
    /**
     * @return RuleInterface
     */
    protected function getPrettyUrlRule()
    {
        $DIR_REL = DIR_REL;
        $DISPATCHER_FILENAME = DISPATCHER_FILENAME;
        $rule = new Rule(function (Rule $rule) {
            $DIR_REL = $rule->getOption('dir_rel')->getValue();
            if ($DIR_REL === null) {
                if (\Core::make('app')->isRunThroughCommandLineInterface()) {
                    throw new Exception(t('When executed from the command line, you need to specify the %s option', 'dir_rel'));
                } else {
                    $DIR_REL = DIR_REL;
                }
            }
            $DIR_REL = trim((string) $DIR_REL, '/');
            if ($DIR_REL !== '') {
                $DIR_REL = '/' . $DIR_REL;
            }
            $DISPATCHER_FILENAME = DISPATCHER_FILENAME;
            return <<<EOT
location {$DIR_REL}/ {
\tset \$do_rewrite 1;
\tif (-f \$request_filename) {
\t\tset \$do_rewrite 0;
\t}
\tif (-f \$request_filename/index.html) {
\t\tset \$do_rewrite 0;
\t}
\tif (-f \$request_filename/index.php) {
\t\tset \$do_rewrite 0;
\t}
\tif (\$do_rewrite = "1") {
\t\trewrite ^/(.*)\$ /{$DISPATCHER_FILENAME}/\$1 last;
\t}
}
EOT;
        }, function () {
            return (bool) \Config::get('concrete.seo.url_rewriting');
        }, "# -- concrete5 urls start --", "# -- concrete5 urls end --");
        $option = new RuleOption(t('concrete5 path relative to website root'), function () {
            return \Core::make('app')->isRunThroughCommandLineInterface();
        });
        $rule->addOption('dir_rel', $option);
        return $rule;
    }