pub trait TouchSourceProxyInterface: Send + Sync {
type WatchResponseFut: Future<Output = Result<Vec<TouchEvent>, Error>> + Send;
type UpdateResponseResponseFut: Future<Output = Result<(), Error>> + Send;
// Required methods
fn watch(&self, responses: &[TouchResponse]) -> Self::WatchResponseFut;
fn update_response(
&self,
interaction: &TouchInteractionId,
response: &TouchResponse,
) -> Self::UpdateResponseResponseFut;
}