code: func (z *SeriesForPickle) Msgsize() (s int) {
  	s = 1 + 5 + msgp.StringPrefixSize + len(z.Name) + 6 + msgp.Uint32Size + 4 + msgp.Uint32Size + 5 + msgp.Uint32Size + 7 + msgp.ArrayHeaderSize
  	for za0001 := range z.Values {
  		s += msgp.GuessSize(z.Values[za0001])
  	}
  	s += 15 + msgp.StringPrefixSize + len(z.PathExpression)
  	return
  }
docs: // Msgsize returns an upper bound estimate of the number of bytes occupied by the serialized message