| Interface | Description | 
|---|---|
| InternalProcessingUnitStatistics | |
| InternalProcessingUnitStatisticsCalculator | |
| ProcessingUnitStatisticsCalculator | |
| StatisticsObjectListFunction | 
 A helper interface for extracting values from  
StatisticsObjectList in a polymorphic way | 
| Class | Description | 
|---|---|
| ErasedTimeWindowStatisticsConfig | 
 A placeholder for an undefined time window statistics configuration that respects window size in
 its  
AbstractConfig.hashCode() and AbstractConfig.equals(Object) method. | 
| InstancesStatisticsCalculator | 
 Aggregates samples from different instances using different functions defined by  
InstancesStatisticsConfig that is stored in ProcessingUnitStatisticsIds | 
| StatisticsObjectList | 
 A List of Objects that supports min,max,percentile operations if the Objects implement Comparable
 and supports average operation if the Objects implement Number 
 | 
| TimeWindowStatisticsCalculator | 
 Aggregates samples from a certain time window using different functions defined by  
TimeWindowStatisticsConfig that is stored in ProcessingUnitStatisticsIds | 
| ZoneStatisticsCalculator | 
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