code: func LoadRootCAs(caBundleFile string) (err error) {
  	if caBundleFile != "" {
  		log.Debugf("Loading scan RootCAs: %s", caBundleFile)
  		RootCAs, err = helpers.LoadPEMCertPool(caBundleFile)
  	}
  	return
  }
docs: // LoadRootCAs loads the default root certificate authorities from file.