/** Indicates that application tracking event has started. */
public void start() {
operation.start();
}
/**
* Indicates that application tracking event has started given a specific time stamp.
*
* @param time when operation started
*/
public void start(UsecTimestamp time) {
operation.start(time);
}
/**
* Indicates that application tracking event has started at the specified startTime
*
* @param startTimeUsc start time of the tracking event (usec)
*/
public void start(long startTimeUsc) {
operation.start(startTimeUsc);
}