code: public function onReplaceInsertTags(string $tag, bool $useCache, $cacheValue, array $flags)
      {
          static $supportedTags = [
              'faq',
              'faq_open',
              'faq_url',
              'faq_title',
          ];
  
          $elements = explode('::', $tag);
          $key = strtolower($elements[0]);
  
          if (!\in_array($key, $supportedTags, true)) {
              return false;
          }
  
          $this->framework->initialize();
  
          /** @var FaqModel $adapter */
          $adapter = $this->framework->getAdapter(FaqModel::class);
  
          $faq = $adapter->findByIdOrAlias($elements[1]);
  
          if (null === $faq || false === ($url = $this->generateUrl($faq, \in_array('absolute', $flags, true)))) {
              return '';
          }
  
          return $this->generateReplacement($faq, $key, $url);
      }
docs: Replaces the FAQ insert tags.
  
  @return string|false