code: func (r Network_Vlan) GetCancelFailureReasons() (resp []string, err error) {
  	err = r.Session.DoRequest("SoftLayer_Network_Vlan", "getCancelFailureReasons", nil, &r.Options, &resp)
  	return
  }
docs: // Get a set of reasons why this VLAN may not be cancelled. If the result is empty, this VLAN may be cancelled.