private function parseImports(Config &$config, $file)
 {
     if (!isset($config->data['imports'])) {
         return;
     }
     if (!is_array($config->data['imports'])) {
         throw new \InvalidArgumentException(sprintf('The "imports" key should contain an array in %s. Check your YAML syntax.', $file));
     }
     $defaultDirectory = dirname($file);
     foreach ($config->data['imports'] as $import) {
         if (!is_array($import)) {
             throw new \InvalidArgumentException(sprintf('The values in the "imports" key should be arrays in %s. Check your YAML syntax.', $file));
         }
         $this->setCurrentDir($defaultDirectory);
         $sub_config = $this->import($import['resource'], null, isset($import['ignore_errors']) ? (bool) $import['ignore_errors'] : false, $file);
         $config->addConfig($sub_config);
         unset($config->data['imports']);
     }
 }
 public function addConfig(Config $config)
 {
     $this->data = array_replace_recursive($this->data, $config->data);
     $this->resources = array_merge($this->resources, $config->getResources());
 }