code: protected function argsForNextCommand($args)
      {
          if (!is_array($args)) {
              $args = func_get_args();
          }
          $this->argumentsForNextCommand .= ' ' . implode(' ', $args);
  
          return $this;
      }
docs: Add multiple arguments used in the next invocation of drush.
  
  @param array|string $args can also be multiple parameters
  
  @return $this