pub trait LightningV2Manager:
Debug
+ Send
+ Sync {
// Required method
fn contains_incoming_contract<'life0, 'async_trait>(
&'life0 self,
payment_image: PaymentImage,
) -> Pin<Box<dyn Future<Output = bool> + Send + 'async_trait>>
where Self: 'async_trait,
'life0: 'async_trait;
}