/**
* Returns extension configuration.
* @param array default values.
* @param bool perform %parameters% expansion?
* @return array
*/
public function getConfig(array $defaults = NULL, $expand = TRUE)
{
$config = $this->compiler->getConfig();
$config = isset($config[$this->name]) ? $config[$this->name] : array();
unset($config['services'], $config['factories']);
$config = Helpers::merge($config, $defaults);
return $expand ? $this->compiler->getContainerBuilder()->expand($config) : $config;
}
