pub type OnSelectedCandidatePairChangeHdlrFn = Box<dyn FnMut(&Arc<dyn Candidate + Send + Sync>, &Arc<dyn Candidate + Send + Sync>) -> Pin<Box<dyn Future<Output = ()> + Send + 'static>> + Send + Sync>;Aliased Typeยง
struct OnSelectedCandidatePairChangeHdlrFn(/* private fields */);