private function uploadFile(File $file)
{
$file->setName($this->getUniqueFileName($file->getPath(), $file->getName()));
if (!$this->fileSystem->writeStream($file->getUuid()->toString(), $file->getStream())) {
throw new \RuntimeException('Failed to process uploaded file.');
}
$file->setStream($this->getFileStream($file->getUuid()));
}