Spatie\Backup\BackupDestination\BackupDestination::newestBackup PHP Method

    public function newestBackup()
    {
        return $this->backups()->newest();
    }

 /**
  * @return \Carbon\Carbon|null
  */
 public function dateOfNewestBackup()
 {
     $newestBackup = $this->backupDestination->newestBackup();
     if (is_null($newestBackup)) {
         return;
     }
     return $newestBackup->date();
 }