code: func (cg *CertGeneratorHandler) SetBundler(caBundleFile, intBundleFile string) (err error) {
  	cg.bundler, err = bundler.NewBundler(caBundleFile, intBundleFile)
  	return err
  }
docs: // SetBundler allows injecting an optional Bundler into the CertGeneratorHandler.