{"ast_node_type":"other","tokens":[{"end":56,"kind":"keyword","start":0,"text":"#[allow(rustc::potential_query_instability)]"}]}
            #[allow(rustc::potential_query_instability)]
            // We will soon sort, so the initial order does not matter.
            let mut possibilities = best_match_values.iter().flatten().collect::<Vec<_>>();