code: func FilterValidatedPhones(authorizedPhones []user.AuthorizationMap, verifiedPhones []user.Phonenumber) []user.AuthorizationMap {
  	var p []user.AuthorizationMap
  	for _, authorizedPhone := range authorizedPhones {
  		for _, verifiedPhone := range verifiedPhones {
  			if authorizedPhone.RealLabel == verifiedPhone.Label {
  				p = append(p, authorizedPhone)
  				break
  			}
  		}
  	}
  	return p
  }
docs: // FilterValidatedPhones removes phone numbers which are not validated