code: public function registerCustomFixers($fixers)
      {
          if (false === \is_array($fixers) && false === $fixers instanceof \Traversable) {
              throw new \InvalidArgumentException(sprintf(
                  'Argument must be an array or a Traversable, got "%s".',
                  \is_object($fixers) ? \get_class($fixers) : \gettype($fixers)
              ));
          }
  
          foreach ($fixers as $fixer) {
              $this->addCustomFixer($fixer);
          }
  
          return $this;
      }
docs: {@inheritdoc}