code: public function getBasePath(): string
      {
          if ($this->debug) {
              return '';
          }
  
          $request = $this->requestStack->getCurrentRequest();
  
          if (null === $request || '' === ($staticUrl = $this->getFieldValue($this->getPageModel()))) {
              return '';
          }
  
          $protocol = $this->isSecure() ? 'https' : 'http';
          $relative = preg_replace('@https?://@', '', $staticUrl);
  
          return sprintf('%s://%s%s', $protocol, $relative, $request->getBasePath());
      }
docs: {@inheritdoc}