ScriptFUSION\Porter\Collection\RecordCollection::__construct PHP Method

    public function __construct(\Iterator $records, RecordCollection $previousCollection = null)
    {
        $this->records = $records;
        $this->previousCollection = $previousCollection;
    }

 public function __construct(RecordCollection $records, ImportSpecification $specification)
 {
     parent::__construct($records, $records);
     $this->specification = $specification;
 }