/**
* @param string $title
* @param string $urn
* @param string|null $theme
* @param string|null $layout
*
* @return Node
*/
public static function createPage($title, $urn, $theme = null, $layout = null)
{
$page = new self();
$page->setType(self::TYPE_PAGE);
$page->setTitle($title);
$page->setUrn($urn);
$page->setTheme($theme);
$page->setLayout($layout);
return $page;
}
