{IPv4(240, 0, 0, 1), true, false},
	{IPv6unspecified, false, true},
	{IPv6loopback, false, true},
	{IPv6interfacelocalallnodes, false, true},
	{IPv6linklocalallnodes, false, true},
	{IPv6linklocalallrouters, false, true},
	{ParseIP("ff05::a:b:c:d"), false, true},
	{ParseIP("fe80::1:2:3:4"), false, true},
	{ParseIP("2001:db8::123:12:1"), false, true},
}

func TestIPAddrFamily(t *testing.T) {

		},
		{
			name: "IPv6 link-local all nodes",
			ip:   IPv6LinkLocalAllNodes(),
			std:  net.IPv6linklocalallnodes,
		},
		{
			name: "IPv6 link-local all routers",
			ip:   IPv6LinkLocalAllRouters(),
			std:  net.IPv6linklocalallrouters,
		},
		{
			name: "IPv6 loopback",
			ip:   IPv6Loopback(),
			std:  net.IPv6loopback,
		},
		{
			name: "IPv6 unspecified",
			ip:   IPv6Unspecified(),

	IPv6interfacelocalallnodes = IP{0xff, 0x01, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x01}
	IPv6linklocalallnodes      = IP{0xff, 0x02, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x01}
	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 "::".

// address ff02::1.
func IPv6LinkLocalAllNodes() Addr { return AddrFrom16([16]byte{0: 0xff, 1: 0x02, 15: 0x01}) }

// IPv6LinkLocalAllRouters returns the IPv6 link-local all routers multicast
// address ff02::2.
func IPv6LinkLocalAllRouters() Addr { return AddrFrom16([16]byte{0: 0xff, 1: 0x02, 15: 0x02}) }

// IPv6Loopback returns the IPv6 loopback address ::1.

		{"IPv4bcast", Var, 0},
		{"IPv4len", Const, 0},
		{"IPv4zero", Var, 0},
		{"IPv6interfacelocalallnodes", Var, 0},
		{"IPv6len", Const, 0},
		{"IPv6linklocalallnodes", Var, 0},
		{"IPv6linklocalallrouters", Var, 0},
		{"IPv6loopback", Var, 0},
		{"IPv6unspecified", Var, 0},
		{"IPv6zero", Var, 0},
		{"Interface", Type, 0},
		{"Interface.Flags", Field, 0},
		{"Interface.HardwareAddr", Field, 0},

pkg net/http, type Server struct, DisableGeneralOptionsHandler bool #41773
pkg net/http, type Transport struct, OnProxyConnectResponse func(context.Context, *url.URL, *Request, *Response) error #54299
pkg net/netip, func IPv6LinkLocalAllRouters() Addr #51766
pkg net/netip, func IPv6Loopback() Addr #51777
pkg net, type Dialer struct, ControlContext func(context.Context, string, string, syscall.RawConn) error #55301

pkg net, var IPv4allrouter IP
pkg net, var IPv4allsys IP
pkg net, var IPv4bcast IP
pkg net, var IPv4zero IP
pkg net, var IPv6interfacelocalallnodes IP
pkg net, var IPv6linklocalallnodes IP
pkg net, var IPv6linklocalallrouters IP
pkg net, var IPv6loopback IP
pkg net, var IPv6unspecified IP
pkg net, var IPv6zero IP
pkg net/http, const DefaultMaxHeaderBytes ideal-int
pkg net/http, const DefaultMaxIdleConnsPerHost ideal-int