in Sources/CoreMetrics/Metrics.swift [756:765]
func recordNanoseconds(_ duration: Int64)
/// Set the preferred display unit for this TimerHandler.
///
/// - parameters:
/// - unit: A hint to the backend responsible for presenting the data of the preferred display unit. This is not guaranteed to be supported by all backends.
func preferDisplayUnit(_ unit: TimeUnit)
}
extension TimerHandler {