{"ast_node_type":"variable","tokens":[{"end":82,"kind":"keyword","start":0,"text":"&&"}]}
                && let instance_fn_sig = tcx.fn_sig(instance_def_id).skip_binder()
                && tcx.def_kind(instance_def_id) == DefKind::AssocFn
                && instance_fn_sig.abi() != fn_sig.abi()