code: func (r Network_Vlan) GetFirewallGuestNetworkComponents() (resp []datatypes.Network_Component_Firewall, err error) {
  	err = r.Session.DoRequest("SoftLayer_Network_Vlan", "getFirewallGuestNetworkComponents", nil, &r.Options, &resp)
  	return
  }
docs: // Retrieve A firewalled Vlan's network components.