pub trait FocusModeHint<F: super::FocusId> {
    fn focus_modes(&self) -> &[&'static str];
}

impl<F: super::FocusId> FocusModeHint<F> for super::FocusManager<F> {
    fn focus_modes(&self) -> &[&'static str] {
        &["general"]
    }
}