Common/Transformer/SaleCopier.php
private function copyAttachment(Model\SaleAttachmentInterface $source, Model\SaleAttachmentInterface $target)
    {
        $this->copy($source, $target, [
            'path', 'title', 'type', 'size', 'internal', 'createdAt', 'updatedAt',
        ]);
    }
private function copyAttachment(Model\SaleAttachmentInterface $source, Model\SaleAttachmentInterface $target)
    {
        $this->copy($source, $target, [
            'path', 'title', 'type', 'size', 'internal', 'createdAt', 'updatedAt',
        ]);
    }
Copies the source attachment into the target attachment.

@param Model\SaleAttachmentInterface $source
@param Model\SaleAttachmentInterface $target