code: func (r Network_Gateway_VersionUpgrade) ValidateVersionChange(gatewayId *int, upgradePkgUrlId *int) (resp bool, err error) {
  	params := []interface{}{
  		gatewayId,
  		upgradePkgUrlId,
  	}
  	err = r.Session.DoRequest("SoftLayer_Network_Gateway_VersionUpgrade", "validateVersionChange", params, &r.Options, &resp)
  	return
  }
docs: // no documentation yet