pub trait Sender {
type Error;
// Required methods
fn send<'life0, 'async_trait>(
&'life0 self,
request: RequestType,
) -> Pin<Box<dyn Future<Output = Result<Response, Self::Error>> + Send + 'async_trait>>
where Self: 'async_trait,
'life0: 'async_trait;
fn send_all<'life0, 'life1, 'async_trait>(
&'life0 self,
requests: &'life1 [RequestType],
) -> Pin<Box<dyn Future<Output = Result<Response, Self::Error>> + Send + 'async_trait>>
where Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait;
}