* @param port the IP port associated with the service.
     * @param maxAge time in seconds that this alternative is considered fresh.
     */
    fun alternateService(
      streamId: Int,
      origin: String,
      protocol: ByteString,
      host: String,
      port: Int,
      maxAge: Long,
    )
  }

  companion object {

	{"net.inet6.ip6.log_interval", []_C_int{4, 24, 17, 14}},
	{"net.inet6.ip6.maxdynroutes", []_C_int{4, 24, 17, 48}},
	{"net.inet6.ip6.maxfragpackets", []_C_int{4, 24, 17, 9}},
	{"net.inet6.ip6.maxfrags", []_C_int{4, 24, 17, 41}},
	{"net.inet6.ip6.mforwarding", []_C_int{4, 24, 17, 42}},
	{"net.inet6.ip6.mrtmfc", []_C_int{4, 24, 17, 53}},
	{"net.inet6.ip6.mrtmif", []_C_int{4, 24, 17, 52}},

	{"net.inet6.ip6.log_interval", []_C_int{4, 24, 17, 14}},
	{"net.inet6.ip6.maxdynroutes", []_C_int{4, 24, 17, 48}},
	{"net.inet6.ip6.maxfragpackets", []_C_int{4, 24, 17, 9}},
	{"net.inet6.ip6.maxfrags", []_C_int{4, 24, 17, 41}},
	{"net.inet6.ip6.mforwarding", []_C_int{4, 24, 17, 42}},
	{"net.inet6.ip6.mrtmfc", []_C_int{4, 24, 17, 53}},
	{"net.inet6.ip6.mrtmif", []_C_int{4, 24, 17, 52}},

	},
	{
		"Delete all.",
		"http://www.host.test/",
		[]string{
			"a=1; max-Age=-1",                    // delete via MaxAge
			"b=2; " + expiresIn(-10),             // delete via Expires
			"c=2; max-age=-1; " + expiresIn(-10), // delete via both
			"d=4; max-age=-1; " + expiresIn(10)}, // MaxAge takes precedence
		"",
		[]query{{"http://www.host.test", ""}},
	},
	{
		"Refill #1.",
		"http://www.host.test",

    private final int times;

    Prepender(@NotBlank @Nullable String prefix, int times) throws NullPointerException {
      this.prefix = prefix;
      this.times = times;
    }

    Prepender(String... varargs) {
      this(null, 0);
    }

    // just for testing
    private <T> Prepender() {
      this(null, 0);
    }

    private final int times;

    Prepender(@NotBlank @Nullable String prefix, int times) throws NullPointerException {
      this.prefix = prefix;
      this.times = times;
    }

    Prepender(String... varargs) {
      this(null, 0);
    }

    // just for testing
    private <T> Prepender() {
      this(null, 0);
    }

	// value chosen for being power of two, and enough to handle all web APIs
	// in particular, note that WebGL2's texImage2D takes up to 10 arguments
	const maxStackArgs = 16
	if size <= maxStackArgs {
		// as long as makeArgs is inlined, these will be stack-allocated
		argVals = make([]Value, size, maxStackArgs)
		argRefs = make([]ref, size, maxStackArgs)
	} else {
		// allocates on the heap, but exceeding maxStackArgs should be rare

type Tms struct {
	Utime  int64
	Stime  int64
	Cutime int64
	Cstime int64
}

type Utimbuf struct {
	Actime  int64
	Modtime int64
}

type Rusage struct {
	Utime    Timeval
	Stime    Timeval
	Maxrss   int64
	Ixrss    int64
	Idrss    int64
	Isrss    int64
	Minflt   int64
	Majflt   int64
	Nswap    int64
	Inblock  int64
	Oublock  int64
	Msgsnd   int64
	Msgrcv   int64
	Nsignals int64

type Tms struct {
	Utime  int64
	Stime  int64
	Cutime int64
	Cstime int64
}

type Utimbuf struct {
	Actime  int64
	Modtime int64
}

type Rusage struct {
	Utime    Timeval
	Stime    Timeval
	Maxrss   int64
	Ixrss    int64
	Idrss    int64
	Isrss    int64
	Minflt   int64
	Majflt   int64
	Nswap    int64
	Inblock  int64
	Oublock  int64
	Msgsnd   int64
	Msgrcv   int64
	Nsignals int64

type Tms struct {
	Utime  int64
	Stime  int64
	Cutime int64
	Cstime int64
}

type Utimbuf struct {
	Actime  int64
	Modtime int64
}

type Rusage struct {
	Utime    Timeval
	Stime    Timeval
	Maxrss   int64
	Ixrss    int64
	Idrss    int64
	Isrss    int64
	Minflt   int64
	Majflt   int64
	Nswap    int64
	Inblock  int64
	Oublock  int64
	Msgsnd   int64
	Msgrcv   int64
	Nsignals int64