{"ast_node_type":"other","tokens":[{"end":71,"kind":"keyword","start":0,"text":".filter(|itm|"}]}
                .filter(|itm| discriminant(*itm) == discriminant_value)
                .iter()
                .find_map(|itm| (itm.name(db)? == name).then(|| itm.try_to_nav(db)).flatten())