pub trait WithAuthExt {
// Required methods
fn with_auth<'async_trait>(
self,
) -> Pin<Box<dyn Future<Output = Result<Self, Error>> + Send + 'async_trait>>
where Self: Sized + 'async_trait;
fn with_credentials<'async_trait>(
self,
credentials: CredentialsFile,
) -> Pin<Box<dyn Future<Output = Result<Self, Error>> + Send + 'async_trait>>
where Self: Sized + 'async_trait;
}