pub trait Parser {
type Block: Block;
// Required method
fn parse_block<'life0, 'life1, 'async_trait>(
&'life0 self,
bytes: &'life1 [u8]
) -> Pin<Box<dyn Future<Output = Result<<Self as Parser>::Block>> + Send + 'async_trait>>
where Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait;
}