WordpressImportService::updatePagesBasedOnNavMenu
Normally to be called after 'updatePagesBasedOnHierarchy', basically updates the ParentID/Sort of pages based on how they're structured for the given menu.
(Silverstripe doesn't seperate its menu and page-structure like Wordpress)
Signature
public function updatePagesBasedOnNavMenu([string
$menu_slug = ''] )
Parameters
$menu_slug
— string