protected function _fromYaml($data)
	{
		if ( ! class_exists('Symfony\Component\Yaml\Yaml'))
		{
			// @codeCoverageIgnoreStart
			throw new \RuntimeException('You need to install the "symfony/yaml" composer package to use Format::fromYaml()');
			// @codeCoverageIgnoreEnd
		}

		$parser = new \Symfony\Component\Yaml\Yaml();
		return $parser::parse($data);
	}