| IntentCallback | Callback for monitoring Intents captured by Instrumentation. |
| IntentMonitor | Interface for tests to use when they need to monitor intents used to start activities from
the current Instrumentation. |
| IntentStubber | Interface to intercept activity launch for a given Intent and stub Instrumentation.ActivityResult its response. |
| IntentMonitorRegistry | Exposes an implementation of IntentMonitor to users. |
| IntentStubberRegistry | Exposes an implementation of IntentStubber. |