| Interface | Description | 
|---|---|
| TaskMonitor | 
 Provides a simple interface between an operation (or "task") and the
 application in which it executes. 
 | 
| Class | Description | 
|---|---|
| DummyTaskMonitor | 
 Implementation of TaskMonitor that does nothing. 
 | 
| PrintStreamTaskMonitor | 
 A TaskMonitor that reports its output to a PrintStream. 
 | 
| TaskMonitorFilter |