pub trait UserStreamAsync {
// Required methods
fn subscribe<'life0, 'async_trait>(
&'life0 mut self,
) -> Pin<Box<dyn Future<Output = Result<Uuid, BinanceErr>> + Send + 'async_trait>>
where Self: 'async_trait,
'life0: 'async_trait;
fn unsubscribe(&mut self, uuid: Uuid) -> Option<StoredStream>;
}