// map header, size 11
	// write "Stats"
	err = en.Append(0x8b, 0xa5, 0x53, 0x74, 0x61, 0x74, 0x73)
	if err != nil {
		return
	}
	err = en.WriteMapHeader(uint32(len(z.Stats)))
	if err != nil {
		err = msgp.WrapError(err, "Stats")
		return
	}
	for za0001, za0002 := range z.Stats {
		err = en.WriteString(za0001)
		if err != nil {