// are not yet tracking.
		h.updateLastFullMinute(reqTimeMinute)
	}
	var entry *serviceRTTMinuteStats
	switch {
	case reqTimeMinute.Equal(h.currentMinute.statsTime):
		entry = &h.currentMinute
	case reqTimeMinute.Equal(h.lastFullMinute.statsTime):
		entry = &h.lastFullMinute
	default:
		// This request is too old, it should never happen, ignore it as we

// ValueSource represents the source of a config parameter value.
type ValueSource uint8

// Constants for ValueSource
const (
	ValueSourceAbsent ValueSource = iota // this is an error case
	ValueSourceDef
	ValueSourceCfg
	ValueSourceEnv
)

// ResolveConfigParam returns the effective value of a configuration parameter,