o = append(o, 0xa5, 0x56, 0x31, 0x4f, 0x62, 0x6a)
		if z.ObjectV1 == nil {
			o = msgp.AppendNil(o)
		} else {
			o, err = z.ObjectV1.MarshalMsg(o)
			if err != nil {
				err = msgp.WrapError(err, "ObjectV1")
				return
			}
		}
	}
	if (zb0001Mask & 0x4) == 0 { // if not omitted
		// string "V2Obj"
		o = append(o, 0xa5, 0x56, 0x32, 0x4f, 0x62, 0x6a)
		if z.ObjectV2 == nil {

			return
		}
		// write "nv"
		err = en.Append(0xa2, 0x6e, 0x76)
		if err != nil {
			return
		}
		err = en.WriteInt(za0002.NumVersions)
		if err != nil {
			err = msgp.WrapError(err, "Tiers", za0001, "NumVersions")
			return
		}
		// write "no"
		err = en.Append(0xa2, 0x6e, 0x6f)
		if err != nil {
			return
		}
		err = en.WriteInt(za0002.NumObjects)

	err = en.Append(0x80 | uint8(zb0001Len))
	if err != nil {
		return
	}
	if zb0001Len == 0 {
		return
	}
	// write "BaseOptions"
	err = en.Append(0xab, 0x42, 0x61, 0x73, 0x65, 0x4f, 0x70, 0x74, 0x69, 0x6f, 0x6e, 0x73)
	if err != nil {
		return
	}
	// map header, size 0
	_ = z.BaseOptions
	err = en.Append(0x80)
	if err != nil {
		return
	}
	// write "r"
	err = en.Append(0xa1, 0x72)