protected function prepareUploadData(UploadedFile $uploadedFile)
    {
        return [
            'extension' => $uploadedFile->getClientOriginalExtension(),
            'mimetype'  => $uploadedFile->getMimeType(),
            'size'      => $uploadedFile->getSize(),
            'name'      => $uploadedFile->getClientOriginalName(),
        ];
    }