/**
* Set mime type to all children.
*
* @param string $mimeType
*
* @return $this
*/
public function setAcceptedMimeType($mimeType)
{
$mimeType = strtolower(trim($mimeType));
self::$acceptedMimeTypes->set($mimeType);
$this->walkIn(function (UploadedFile &$file) use($mimeType) {
$file->getAcceptedMimeType()->set($mimeType);
});
return $this;
}
