{"ast_node_type":"other","tokens":[{"end":68,"kind":"keyword","start":0,"text":".filter_map(|param|"}]}
        .filter_map(|param| Some(param.name()?.text().to_smolstr()))
        .chain(containing_impl.iter().flat_map(|(param_list, _)| param_list.type_or_const_params()))
        .collect::<FxHashSet<_>>();