| ActivityBasedTaskInformation |  | 
| ActivityItemProcessingStatisticsUtil |  | 
| ActivityPath | Object identifying an activity in the (logical) activity tree. | 
| ActivityPerformanceInformation | Extract of the most relevant performance information about an activity. | 
| ActivityProgressInformation | Summarized representation of a progress of an activity and its sub-activities. | 
| ActivityProgressInformationBuilder |  | 
| ActivityProgressUtil |  | 
| ActivityStateOverviewUtil | Utilities related to the helper activity tree state overview structure (maintained in the root task). | 
| ActivityStateUtil | Utility methods related to activity state and activity work state. | 
| ActivityTreeUtil | Utility methods for navigating throughout activity trees, potentially distributed throughout a task tree. | 
| ActivityTreeUtil.ActivityStateInContext | Activity state with all the necessary context: the path, the task, and the partial states of coordinated workers. | 
| ActivityTreeUtil.ActivityStateInLocalContext | Activity state in local context: just the path and the state. | 
| ActivityWorkersInformation | State of the worker tasks (in the broad sense - i.e. | 
| BucketingUtil | Methods related to bucketing part of an activity state and activity distribution definition. | 
| BucketsProgressInformation | Task progress counted in buckets. | 
| ItemsProgressInformation | Task progress counted in items. | 
| LegacyTaskInformation |  | 
| TaskInformation | Contains all non-trivial task information (progress, workers, overall status, and so on) needed for the use
 of GUI and reporting. | 
| TaskOperationStatsUtil | Utility methods related to task operation statistics. | 
| TaskTreeUtil | Utilities related to task trees. | 
| TaskTypeUtil | TODO | 
| WallClockTimeComputer | Computes real wall clock time from a set of execution records ("from - to"). |