code: public function requireSriFor(bool $script, bool $style):void
      {
          if ($script && $style) {
              $this->tags['require-sri-for'] = ['script', 'style'];
          }
          else if ($script) {
              $this->tags['require-sri-for'] = ['script'];
          }
          else if ($style) {
              $this->tags['require-sri-for'] = ['style'];
          }
      }
docs: Sets the 'require-sri-for' value of the CSP.
  
  @link https://developer.mozilla.org/docs/Web/HTTP/Headers/Content-Security-Policy/require-sri-for
  @param bool $script
  @param bool $style