public function getConfigLoader($required = true)
{
if (!$this->config) {
$this->config = ConfigLoader::getInstance();
$this->config->loadFromSymbol(true);
// force loading
if (!$this->config->isLoaded() && $required) {
throw new RuntimeException("ConfigLoader did not loaded any config file. Can't initialize the settings.");
}
}
return $this->config;
}