{"ast_node_type":"other","tokens":[{"end":66,"kind":"keyword","start":0,"text":"(Res::Def(DefKind::Macro(MacroKind::Bang),"}]}
            (Res::Def(DefKind::Macro(MacroKind::Bang), _), _) => {
            }
                err.span_label(span, fallback_label.to_string());