| BeaconState | State of nearby beacon devices. |
| BeaconState.BeaconInfo | Information from one beacon. |
| HeadphoneState | Headphone state. |
| TimeIntervals | The semantic time intervals for the to the current time and location. |
| Weather | This interface is deprecated. This method is deprecated as of August 07, 2019, and will be turned off on January 31, 2020. Google does not offer alternate functionality for the Weather contextual signal. |
| BeaconState.TypeFilter | The type of beacon to match. |