{"ast_node_type":"other","tokens":[{"end":80,"kind":"keyword","start":0,"text":"&tcx.hir_expect_impl_item(impl_m.def_id.expect_local()).kind"}]}
                    &tcx.hir_expect_impl_item(impl_m.def_id.expect_local()).kind
                if let ImplItemKind::Fn(sig, _) =
                    && !sig.header.asyncness.is_async()