code: public function revertAllFeatures($force = false, $excludedFeatures = '')
      {
          $this->printTaskInfo('Revert all features');
          $args = $excludedFeatures . ($force ? ' --force' : '');
  
          return $this->drush('fra ' . $args);
      }
docs: @param bool $force force revert even if Features assumes components' state are default
  @param string $excludedFeatures space-delimited list of features to exclude from being reverted
  
  @return $this