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<?php
namespace Maatwebsite\Excel\Concerns;
use Illuminate\Foundation\Bus\PendingDispatch;
use Maatwebsite\Excel\Exceptions\NoFilenameGivenException;
use Maatwebsite\Excel\Exceptions\NoFilePathGivenException;
use Maatwebsite\Excel\Exporter;
trait Exportable
{
/**
* @param string $fileName
* @param string|null $writerType
* @param array $headers
* @return \Illuminate\Http\Response|\Symfony\Component\HttpFoundation\BinaryFileResponse
*
* @throws NoFilenameGivenException
*/
public function download(string $fileName = null, string $writerType = null, array $headers = null)
{
$headers = $headers ?? $this->headers ?? [];
$fileName = $fileName ?? $this->fileName ?? null;
$writerType = $writerType ?? $this->writerType ?? null;
if (null === $fileName) {
throw new NoFilenameGivenException();
}
return $this->getExporter()->download($this, $fileName, $writerType, $headers);
}
/**
* @param string $filePath
* @param string|null $disk
* @param string|null $writerType
* @param mixed $diskOptions
* @return bool|PendingDispatch
*
* @throws NoFilePathGivenException
*/
public function store(string $filePath = null, string $disk = null, string $writerType = null, $diskOptions = [])
{
$filePath = $filePath ?? $this->filePath ?? null;
 
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