void increment(){
  count.incrementAndGet();
  rateWindow.incrementForTimestamp(timerGetter.now());
}

void increment ( ) { count . incrementAndGet ( ) ; rateWindow . incrementForTimestamp ( timerGetter . now ( ) ) ; }
increments the cumulative count for an operation and recalculates the rate at which the operation has been made . < br / > only synchronizes the count increment , not the whole method .
