Ichaber\SSSwiftype\Extensions\SwiftypeSiteTreeCrawlerExtension::onBeforeWrite
We need to collate Urls before we write, just in case an author has changed the Page's Url Segment. If they have, then we need to request Swiftype to reindex both the old Url (which should then be marked by Swiftype as a 404), and the new Url
Signature
public function onBeforeWrite()