| VoiceInteractionService | Top-level service of the current global voice interactor, which is providing
support for hotwording, the back-end of a VoiceInteractor, etc. |
| VoiceInteractionSession | An active voice interaction session, providing a facility for the implementation to interact with the user in the voice interaction layer. |
| VoiceInteractionSession.Caller | |
| VoiceInteractionSession.Insets | Information about where interesting parts of the input method UI appear. |
| VoiceInteractionSession.Request | |
| VoiceInteractionSessionService | An active voice interaction session, initiated by a VoiceInteractionService. |