if (ns.embeddingDocument) {
  ns.on("capabilities", () => {
    for (let policyType of ["object", "media"]) {
      let request = {
        id: `noscript-${policyType}-doc`,
        type: policyType,
        url: document.URL,
        documentUrl: document.URL,
        embeddingDocument: true,
      };
      
      if (ns.allows(policyType)) {
        let handler = PlaceHolder.handlerFor(policyType);
        if (handler && handler.selectFor(request).length > 0) {
          seen.record({policyType, request, allowed: true});
        }
      } else {
        let ph = PlaceHolder.create(policyType, request);
        if (ph.replacements.size > 0) {
          debug(`Created placeholder for ${policyType} at ${document.URL}`);
          seen.record({policyType, request, allowed: false});
          break;
        }
      }
    }
  });
}