pub trait StreamingModel<TReq, TResChunk>: Send {
// Required method
fn stream<'life0, 'async_trait>(
&'life0 self,
request: TReq,
) -> Pin<Box<dyn Future<Output = Result<BoxStream<'static, Result<TResChunk, BoxError>>, BoxError>> + Send + 'async_trait>>
where Self: 'async_trait,
'life0: 'async_trait;
}