{"ast_node_type":"other","tokens":[{"end":95,"kind":"keyword","start":0,"text":"//"}]}
            // `&mut? P` can be reinterpreted as `&mut? T` where `T` is `P` reparsed as a type.
            PatKind::MacCall(mac) => TyKind::MacCall(mac.clone()),
            PatKind::Ref(pat, mutbl) => {