| Interface | Description | 
|---|---|
| ChangeEvent<T> | |
| ExceptionHandler<T extends EventListener> | Handler for exceptions that occurred in an event listener. | 
| Task<V,C> | A long-running task. | 
| TaskBlocker | |
| TaskContext | Represents the context of a running task. | 
| TaskControl<V> | |
| TaskEvent | |
| TaskListener | Listener receives events about execution of a task. | 
| TaskListenerSupport | |
| TaskManager | |
| TaskPredicate | |
| TaskWorker<V,C> | |
| Tracker<C> | Set intermediate results from within a long-running task. | 
| Class | Description | 
|---|---|
| TaskPredicates | 
| Enum | Description | 
|---|---|
| Task.Mode | |
| Task.State |