code: func (z *SeriesPickleItem) Msgsize() (s int) {
  	s = 1 + 5 + msgp.StringPrefixSize + len(z.Path) + 7 + msgp.BoolSize + 10 + msgp.ArrayHeaderSize
  	for za0001 := range z.Intervals {
  		s += msgp.ArrayHeaderSize + (len(z.Intervals[za0001]) * (msgp.Int64Size))
  	}
  	return
  }
docs: // Msgsize returns an upper bound estimate of the number of bytes occupied by the serialized message