const internal/concurrent.nChildrenLog2

7 uses

	internal/concurrent (current package)
		hashtriemap.go#L54: 		hashShift -= nChildrenLog2
		hashtriemap.go#L83: 			hashShift -= nChildrenLog2
		hashtriemap.go#L165: 		hashShift -= nChildrenLog2 // hashShift is for the level parent is at. We need to go deeper.
		hashtriemap.go#L196: 			hashShift -= nChildrenLog2
		hashtriemap.go#L259: 		hashShift += nChildrenLog2
		hashtriemap.go#L312: 	nChildrenLog2 = 4
		hashtriemap.go#L313: 	nChildren     = 1 << nChildrenLog2