Spatie\Backup\Tasks\Backup\BackupJob::directoriesUsedByBackupJob PHP Method

    protected function directoriesUsedByBackupJob() : array
    {
        return $this->backupDestinations->filter(function (BackupDestination $backupDestination) {
            return $backupDestination->filesystemType() === 'local';
        })->map(function (BackupDestination $backupDestination) {
            return $backupDestination->disk()->getDriver()->getAdapter()->applyPathPrefix('');
        })->each(function (string $localDiskRootDirectory) {
            $this->fileSelection->excludeFilesFrom($localDiskRootDirectory);
        })->push($this->temporaryDirectory->path())->toArray();
    }