/**
  * Factory method for easy instantiation.
  *
  * @param string[] $additionalTags
  *
  * @return DocBlockFactory
  */
 public static function createInstance(array $additionalTags = [])
 {
     $fqsenResolver = new FqsenResolver();
     $tagFactory = new StandardTagFactory($fqsenResolver);
     $descriptionFactory = new DescriptionFactory($tagFactory);
     $tagFactory->addService($descriptionFactory);
     $tagFactory->addService(new TypeResolver($fqsenResolver));
     $docBlockFactory = new self($descriptionFactory, $tagFactory);
     foreach ($additionalTags as $tagName => $tagHandler) {
         $docBlockFactory->registerTagHandler($tagName, $tagHandler);
     }
     return $docBlockFactory;
 }