| Class | Description | 
|---|---|
| BaseClient | A facade that provides access to the services provided by the JPDA
  front end (JDI). | 
| CommandInterpreter | |
| Environment | |
| GUIClient | A facade that provides access to the services provided by the model
  of the JDB GUI implementation (com.sun.tools.example.debug.gui.GUI). | 
| OutputSink | |
| WebClient | A client for applications working in a stateless web environment. | 
| WebClientStack | |
| WebClientVariable | 
| Enum | Description | 
|---|---|
| CommandInterpreter.Commands | Valid commands for the interpreter | 
| Exception | Description | 
|---|---|
| TimeoutException | Deprecated |