pub trait ClientProviderProxyInterface: Send + Sync {
type CheckPresenceResponseFut: Future<Output = Result<(), Error>> + Send;
// Required methods
fn new_client(
&self,
interface_id: u64,
params: &NewClientParams,
request: ServerEnd<ClientMarker>,
) -> Result<(), Error>;
fn check_presence(&self) -> Self::CheckPresenceResponseFut;
}