pub trait BacklightControl: Debug + Send + Sync {
// Required methods
fn get_brightness<'life0, 'async_trait>(
&'life0 self
) -> Pin<Box<dyn Future<Output = Result<f64, Error>> + Send + 'async_trait>>
where Self: 'async_trait,
'life0: 'async_trait;
fn set_brightness<'life0, 'async_trait>(
&'life0 self,
value: f64
) -> Pin<Box<dyn Future<Output = Result<(), Error>> + Send + 'async_trait>>
where Self: 'async_trait,
'life0: 'async_trait;
fn get_max_absolute_brightness<'life0, 'async_trait>(
&'life0 self
) -> Pin<Box<dyn Future<Output = Result<f64, Error>> + Send + 'async_trait>>
where Self: 'async_trait,
'life0: 'async_trait;
}