The type representing aggregated data.
The type representing aggregated data.
Aggregated data corresponding to an empty set of tasks.
Aggregated data corresponding to an empty set of tasks.
Update a current aggregated data summary by removing data for some tasks, and adding new data for other tasks.
Update a current aggregated data summary by removing data for some tasks, and adding new data for other tasks.
(Since version ) see corresponding Javadoc for more information.
Aggregator that counts the number of occurrences of two kinds of objects in a prioritised task.