core-bundle/src/Fragment/FragmentHandler.php
protected function deliver(Response $response): ?string
    {
        try {
            return parent::deliver($response);
        } catch (\RuntimeException $e) {
            throw new ResponseException($response, $e);
        }
    }
protected function deliver(Response $response): ?string
    {
        try {
            return parent::deliver($response);
        } catch (\RuntimeException $e) {
            throw new ResponseException($response, $e);
        }
    }
{@inheritdoc}