case go122.EvHeapGoal:
		m.Name = "/gc/heap/goal:bytes"
		m.Value = Value{kind: ValueUint64, scalar: e.base.args[0]}
	default:
		panic(fmt.Sprintf("internal error: unexpected event type for Metric kind: %s", go122.EventString(e.base.typ)))
	}
	return m
}

// Label returns details about a Label event.
//
// Panics if Kind != EventLabel.
func (e Event) Label() Label {
	if e.Kind() != EventLabel {

	EvGoroutineStack      // stack exists [timestamp, id, order]
	EvGoroutineStackAlloc // stack alloc [timestamp, id, order]
	EvGoroutineStackFree  // stack free [timestamp, id]
)

// EventString returns the name of a Go 1.22 event.
func EventString(typ event.Type) string {
	if int(typ) < len(specs) {
		return specs[typ].Name
	}
	return fmt.Sprintf("Invalid(%d)", typ)
}

func Specs() []event.Spec {
	return specs[:]