in TwoWaySample/app/src/main/java/com/example/android/databinding/twowaysample/util/TimerWrapper.kt [30:41]
fun start(task: TimerTask)
fun getElapsedTime(): Long
fun updatePausedTime()
fun getPausedTime() : Long
fun resetStartTime()
fun resetPauseTime()
}
/**
* The default timer is used in the normal execution of the app.
*/
object DefaultTimer : Timer {