pub trait Updater: Debug {
// Required methods
fn url(&self, resource: &str) -> Option<String>;
fn get_versions<'life0, 'life1, 'async_trait>(
&'life0 self,
url: &'life1 str,
) -> Pin<Box<dyn Future<Output = Result<Vec<Version>>> + Send + 'async_trait>>
where Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait;
fn updated_line(&self, entity: &Entity) -> Option<String>;
}