{"ast_node_type":"other","tokens":[{"end":81,"kind":"keyword","start":0,"text":"impls.for_trait_and_self_ty(trait_,"}]}
                        impls.for_trait_and_self_ty(trait_, *fp).map(id_to_chalk)
                    result.extend(fps.iter().flat_map(move |fp| {
                    }));