VersionPress\Storages\MetaEntityStorage::shouldBeSaved PHP Method

    public function shouldBeSaved($data)
    {
        return parent::shouldBeSaved($data) && isset($data[$this->parentReferenceName]) && $this->parentStorage->exists($data[$this->parentReferenceName], null);
    }

 public function shouldBeSaved($data)
 {
     if ($this->keyEquals($data, 'session_tokens') || $this->keyEquals($data, 'nav_menu_recently_edited') || $this->keyEquals($data, 'wporg_favorites')) {
         return false;
     }
     if ($this->keyEndsWith($data, 'dashboard_quick_press_last_post_id')) {
         return false;
     }
     return parent::shouldBeSaved($data);
 }