}
	e.WriteByte('{')

	// Extract and sort the keys.
	var (
		sv  = make([]reflectWithString, v.Len())
		mi  = v.MapRange()
		err error
	)
	for i := 0; mi.Next(); i++ {
		if sv[i].ks, err = resolveKeyName(mi.Key()); err != nil {
			e.error(fmt.Errorf("json: encoding error for type %q: %q", v.Type().String(), err.Error()))
		}
		sv[i].v = mi.Value()
	}
	slices.SortFunc(sv, func(i, j reflectWithString) int {