const runtime.timeHistMaxBucketBits

4 uses

	runtime (current package)
		histogram.go#L66: 	timeHistMaxBucketBits = 48 // Note that this is exclusive; 1 higher than the actual range.
		histogram.go#L69: 	timeHistNumBuckets    = timeHistMaxBucketBits - timeHistMinBucketBits + 1
		histogram.go#L183: 	for i := timeHistMinBucketBits; i < timeHistMaxBucketBits; i++ {
		histogram.go#L200: 	b[len(b)-2] = float64(uint64(1)<<(timeHistMaxBucketBits-1)) / 1e9