code: private function getRequestTarget(): string
      {
          switch ($this->requestTargetType) {
              case RequestTargetTypes::ORIGIN_FORM:
                  $requestTarget = $this->uri->getPath();
  
                  /** @link https://tools.ietf.org/html/rfc7230#section-5.3.1 */
                  if ($requestTarget === null || $requestTarget === '') {
                      $requestTarget = '/';
                  }
  
                  if (($queryString = $this->uri->getQueryString()) !== null && $queryString !== '') {
                      $requestTarget .= "?$queryString";
                  }
  
                  return $requestTarget;
              case RequestTargetTypes::ABSOLUTE_FORM:
                  return (string)$this->uri;
              case RequestTargetTypes::AUTHORITY_FORM:
                  return $this->uri->getAuthority(false) ?? '';
              case RequestTargetTypes::ASTERISK_FORM:
                  return '*';
              default:
                  // Shouldn't happen
                  return '';
          }
      }
docs: Gets the request target
  
  return @string The request target