code: func (z *IndexTagDetailsResp) Msgsize() (s int) {
  	s = 1 + 7 + msgp.MapHeaderSize
  	if z.Values != nil {
  		for za0001, za0002 := range z.Values {
  			_ = za0002
  			s += msgp.StringPrefixSize + len(za0001) + msgp.Uint64Size
  		}
  	}
  	return
  }
docs: // Msgsize returns an upper bound estimate of the number of bytes occupied by the serialized message