Retrieve all measure-results, requires that all stop-watches that have been started have also been stopped.
Start a timer for the given key, and guards that this is the first time this key is started. Call IStoppableStopwatch#stop on the returned stopwatch to stop the timer.
Allows to measure keys of type
T
with aStopwatch
.Measure with start, measure or measureAsync, retrieve the final measurements with get.