| Name | Type | Package | Detail |
| Command | Interface | user.client | Detail |
| CommandCanceledException | Class | user.client | Detail |
| CommandExecutor | Class | user.client | Detail |
| CommandRole | Interface | aria.client | Detail |
| DeferredCommand | Class | user.client | Detail |
| IncrementalCommand | Interface | user.client | Detail |
| IncrementalCommandCanceledException | Class | user.client | Detail |
| LayoutCommand | Class | client.ui | Detail |
