SummarySet (Apache ZooKeeper - Server 3.9.1 API)

All Known Implementing Classes:

AvgMinMaxCounterSet, AvgMinMaxPercentileCounterSet
```
public interface SummarySet
```
Summaries track the size and number of events. They are able to publish minumum, maximum, average values, depending on the capabilities of the MetricsProvider. A SummarySet is a set of Summary.

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  void add(String key, long value)
  Register a value.

- Method Detail
  - add
```
void add(String key,
         long value)
```
    Register a value.
    This method is thread safe, The MetricsProvider will take care of synchronization.
    
    Parameters:
    
    key - the key to access the Summary for the given key
    
    value - current value