const internal/trace/tracev2.EvUserRegionBegin

4 uses

	internal/trace/tracev2 (current package)
		events.go#L71: 	EvUserRegionBegin // trace.{Start,With}Region [timestamp, internal task ID, name string ID, stack ID]
		events.go#L392: 	EvUserRegionBegin: {
		events.go#L402: 		StartEv:      EvUserRegionBegin,

	runtime
		traceruntime.go#L655: 		ev = tracev2.EvUserRegionBegin