public function render(IO $io, $indentation = 0)
    {
        if (!$io->isVerbose()) {
            $io->errorLine('fatal: '.$this->exception->getMessage());

            return;
        }

        $exception = $this->exception;

        $this->renderException($io, $exception);

        if ($io->isVeryVerbose()) {
            while ($exception = $exception->getPrevious()) {
                $io->errorLine('Caused by:');

                $this->renderException($io, $exception);
            }
        }
    }