private function doUpload($extension, $data) : LoaderResult
{
$path = $this->pathGenerator->generatePath($extension);
$absolutePath = $this->pathResolver->resolveAbsolutePath(new PathableDTO($path));
$this->saver->save($absolutePath, $data);
$size = $this->saver->size($absolutePath);
return new LoaderResult($path, $size, $extension);
}
