// getResource is a function to extract a resource ID from a stack sample event.
	getResource func(*trace.Event) R
}

// StackSample implements a stack sample event handler. It expects ev to be one such event.
func (g *stackSampleGenerator[R]) StackSample(ctx *traceContext, ev *trace.Event) {
	id := g.getResource(ev)
	if id == R(noResource) {
		// We have nowhere to put this in the UI.
		return
	}

}

var eventKindStrings = [...]string{
	EventBad:             "Bad",
	EventSync:            "Sync",
	EventMetric:          "Metric",
	EventLabel:           "Label",
	EventStackSample:     "StackSample",
	EventRangeBegin:      "RangeBegin",
	EventRangeActive:     "RangeActive",
	EventRangeEnd:        "RangeEnd",
	EventTaskBegin:       "TaskBegin",
	EventTaskEnd:         "TaskEnd",