# androidx.car.app.annotations

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## Annotations

|---|---|
| `https://developer.android.com/reference/androidx/car/app/annotations/CarProtocol` | Any class annotated with this marker is part of the protocol layer for remote host rendering and can be sent between the client and the host through serialization. |
| `https://developer.android.com/reference/androidx/car/app/annotations/ExperimentalCarApi` | Any declaration annotated with this marker is considered unstable API, subject to change. |
| `https://developer.android.com/reference/androidx/car/app/annotations/RequiresCarApi` | Defines the minimum API level required to be able to use this model, field, or method. |