nat/nat.go
func (n *discovery) DeleteMapping(protocol string, extPort, intPort int) error {
	if err := n.wait(); err != nil {
		return err
	}
	return n.found.DeleteMapping(protocol, extPort, intPort)
}
func (n *discovery) DeleteMapping(protocol string, extPort, intPort int) error {
	if err := n.wait(); err != nil {
		return err
	}
	return n.found.DeleteMapping(protocol, extPort, intPort)
}
func ( n * discovery ) DeleteMapping ( protocol string , extPort , intPort int ) error { if err := n . wait ( ) ; err != nil { return err } return n . found . DeleteMapping ( protocol , extPort , intPort ) }
// DeleteMapping removes the port mapping.
DeleteMapping removes the port mapping .