| Class | Description | 
|---|---|
| CountStatAndMetric | Acts as a Count Metric, but also keeps track of approximate counts for the last 10 mins, 3 hours, 1 day, and all time. | 
| LatencyStatAndMetric | Acts as a Latency Metric, but also keeps track of approximate latency for the last 10 mins, 3 hours, 1 day, and all time. | 
| MultiCountStatAndMetric<T> | Acts as a MultiCount Metric, but keeps track of approximate counts for the last 10 mins, 3 hours, 1 day, and all time. | 
| MultiLatencyStatAndMetric<T> | Acts as a Latnecy Metric for multiple keys, but keeps track of approximate counts for the last 10 mins, 3 hours, 1 day, and all time. | 
| RateTracker | This class is a utility to track the rate of something. | 
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