code: func (c *CMSketch) insertBytesByCount(bytes []byte, count uint64) {
  	h1, h2 := murmur3.Sum128(bytes)
  	if c.updateTopNWithDelta(h1, h2, bytes, count) {
  		return
  	}
  	c.count += count
  	for i := range c.table {
  		j := (h1 + h2*uint64(i)) % uint64(c.width)
  		c.table[i][j] += uint32(count)
  	}
  }
docs: // insertBytesByCount adds the bytes value into the TopN (if value already in TopN) or CM Sketch by delta, this does not updates c.defaultValue.