})
	wantInlinable := []string{
		"(*uint128).halves",
		"Addr.BitLen",
		"Addr.hasZone",
		"Addr.Is4",
		"Addr.Is4In6",
		"Addr.Is6",
		"Addr.IsInterfaceLocalMulticast",
		"Addr.IsValid",
		"Addr.IsUnspecified",
		"Addr.Less",
		"Addr.Unmap",
		"Addr.Zone",
		"Addr.v4",
		"Addr.v6",
		"Addr.v6u16",
		"Addr.withoutZone",
		"AddrPortFrom",
		"AddrPort.Addr",
		"AddrPort.Port",
		"AddrPort.IsValid",

	IPv6linklocalallrouters    = IP{0xff, 0x02, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x02}
)

// IsUnspecified reports whether ip is an unspecified address, either
// the IPv4 address "0.0.0.0" or the IPv6 address "::".
func (ip IP) IsUnspecified() bool {
	return ip.Equal(IPv4zero) || ip.Equal(IPv6unspecified)
}

// IsLoopback reports whether ip is a loopback address.

			CertDirectory: "apiserver.local.config/certificates",
		},
	}
}

func (s *SecureServingOptions) DefaultExternalAddress() (net.IP, error) {
	if s.ExternalAddress != nil && !s.ExternalAddress.IsUnspecified() {
		return s.ExternalAddress, nil
	}
	return utilnet.ResolveBindAddress(s.BindAddress)
}

func (s *SecureServingOptions) Validate() []error {
	if s == nil {
		return nil
	}

			// So we double the cost of parsing the string.
			cost := uint64(math.Ceil(float64(actualSize(args[0])) * 2 * common.StringTraversalCostFactor))
			return &cost
		}
	case "masked", "prefixLength", "family", "isUnspecified", "isLoopback", "isLinkLocalMulticast", "isLinkLocalUnicast":
		// IP and CIDR accessors are nominal cost.
		cost := uint64(1)
		return &cost
	case "containsIP":
		if len(args) >= 2 {

	}
	return query(ctx, netdir+"/cs", net+"!"+host+"!"+service, 128)
}

func queryCS1(ctx context.Context, net string, ip IP, port int) (clone, dest string, err error) {
	ips := "*"
	if len(ip) != 0 && !ip.IsUnspecified() {
		ips = ip.String()
	}
	lines, err := queryCS(ctx, net, ips, itoa.Itoa(port))
	if err != nil {
		return
	}
	f := getFields(lines[0])
	if len(f) < 2 {

			if !okay {
				continue
			}
			unwrapAddr := ipAddr.Unmap()
			if !unwrapAddr.IsValid() || unwrapAddr.IsLoopback() || unwrapAddr.IsLinkLocalUnicast() || unwrapAddr.IsLinkLocalMulticast() || unwrapAddr.IsUnspecified() {
				continue
			}

			// Add to map
			excludeAddrs.Insert(unwrapAddr.String())
		}
	}

	isPreferredIPFamily := func(ip net.IP) bool { return (ip.To4() != nil) == preferIPv4 }
	nodeIPSpecified := nodeIP != nil && !nodeIP.IsUnspecified()

	if len(nodeIPs) > 1 {
		secondaryNodeIP = nodeIPs[1]
	}
	secondaryNodeIPSpecified := secondaryNodeIP != nil && !secondaryNodeIP.IsUnspecified()

	return func(ctx context.Context, node *v1.Node) error {
		if nodeIPSpecified {
			if err := validateNodeIPFunc(nodeIP); err != nil {

			private := tt.ip.IsPrivate()
			if private != tt.private {
				t.Errorf("IsPrivate(%v) = %v; want %v", tt.ip, private, tt.private)
			}

			unspecified := tt.ip.IsUnspecified()
			if unspecified != tt.unspecified {
				t.Errorf("IsUnspecified(%v) = %v; want %v", tt.ip, unspecified, tt.unspecified)
			}
		})
	}
}

func TestAddrWellKnown(t *testing.T) {
	tests := []struct {
		name string
		ip   Addr

		// subnet.
		return ip.v6(0)&0xfe == 0xfc
	}

	return false // zero value
}

// IsUnspecified reports whether ip is an unspecified address, either the IPv4
// address "0.0.0.0" or the IPv6 address "::".
//
// Note that the zero [Addr] is not an unspecified address.
func (ip Addr) IsUnspecified() bool {
	return ip == IPv4Unspecified() || ip == IPv6Unspecified()
}

		return JoinHostPort(ip+"%"+a.Zone, itoa.Itoa(a.Port))
	}
	return JoinHostPort(ip, itoa.Itoa(a.Port))
}

func (a *TCPAddr) isWildcard() bool {
	if a == nil || a.IP == nil {
		return true
	}
	return a.IP.IsUnspecified()
}

func (a *TCPAddr) opAddr() Addr {
	if a == nil {
		return nil
	}
	return a
}

// ResolveTCPAddr returns an address of TCP end point.
//
// The network must be a TCP network name.
//