protected function logConfig(array $array, $prefix = '', $verbosity = OutputInterface::VERBOSITY_VERY_VERBOSE) {
    if ($this->output()->getVerbosity() >= $verbosity) {
      if ($prefix) {
        $this->output()->writeln("<comment>Configuration for $prefix:</comment>");
        foreach ($array as $key => $value) {
          $array["$prefix.$key"] = $value;
          unset($array[$key]);
        }
      }
      $this->printArrayAsTable($array);
    }
  }