private function parseRawBody($startLine)
    {
        $templateSource = \file_get_contents($this->parser->getStream()->getSourceContext()->getPath());

        // parse tag contents
        \preg_match(
            '/\\s*\\{%\s*example\\s*%\\}(.*?)\\s*\\{%\\s*endexample\\s*%\\}/s',
            \implode(
                "\n",
                \array_slice(
                    \preg_split('/\\n|\\r\\n?/', $templateSource),
                    $startLine - 1,
                    $this->parser->getCurrentToken()->getLine() - $startLine + 1
                )
            ),
            $match
        );

        if (isset($match[1])) {
            return $this->removeExtraIndentation($match[1]);
        }

        return '';
    }