The elapsed time measured, if it has been stop stopped and measured, or NaN
if the platform disabled
performance measurement.
The measurement name. This may show up in the performance measurement framework appropriate to the application context.
Optional
ownerAn optional label for the application the start of which (in real time) is the basis of all measurements.
The time when the measurement recording has been started
Captures the result of a Measurement in a serializable format.