const runtime.minTriggerRatioNum

2 uses

	runtime (current package)
		mgcpacer.go#L1094: 	minTriggerRatioNum = 45 // ~0.7
		mgcpacer.go#L1139: 	triggerLowerBound := ((goal-c.heapMarked)/triggerRatioDen)*minTriggerRatioNum + c.heapMarked

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