code: func (c *CMSketch) updateValueBytes(d []byte, count uint64) {
  	h1, h2 := murmur3.Sum128(d)
  	if oriCount, ok := c.queryTopN(h1, h2, d); ok {
  		deltaCount := count - oriCount
  		c.updateTopNWithDelta(h1, h2, d, deltaCount)
  	}
  	c.setValue(h1, h2, count)
  }
docs: // updateValueBytes updates value of d to count.