pub trait AudioOffloadExtProxyInterface: Send + Sync {
type GetSupportedFeaturesResponseFut: Future<Output = Result<AudioOffloadExtGetSupportedFeaturesResponse, Error>> + Send;
// Required methods
fn get_supported_features(&self) -> Self::GetSupportedFeaturesResponseFut;
fn start_audio_offload(
&self,
configuration: &AudioOffloadConfiguration,
controller: ServerEnd<AudioOffloadControllerMarker>,
) -> Result<(), Error>;
}